Reese senses information from her hand, processes it, and determines she needs to move her hand out of the way. which is the path of information through the nervous system? cns → pns → pns pns → cns → pns cns → pns → cns pns → cns → cns

Answers

Answer 1

Answer:

PNS → CNS → PNS

Explanation:

CNS is Central Nervous System, and it consists of the brain and the spinal cord

PNS is the Peripheral Nervous System which is made of peripheral nerves that connect the CNS with the receptors and effectors.

Receptors are structures for the detection of the stimuli (information)

Afferent nerves (sensory neurons) carry that information to the brain (CNS), where the data is processed.

Interneurons conduct information within the CNS.

Efferent nerves (motor neurons) carry the information from the CNS to the effectors (muscles, glands) to perform a response (move her hand out of the way).

Answer 2

Answer:b

Explanation:

mhm


Related Questions


Which viral replication cycle is represented in part B of this diagram?
A
t
CLEA
SEL
A. Lytic cycle
B. Dormant cycle
C. Lysogenic cycle
D. Replication cycle

Which viral replication cycle is represented in part B of this diagram?AtCLEASELA. Lytic cycleB. Dormant

Answers

The viral replication cycle that is represented in part B of the above diagram is lysogenic cycle.

What is lysogenic cycle?

Virus are organisms that are incapable of replicating on their own without a living host.

This means that they have to infect a living host cell and replicate. Viruses have two major cycles of replication as follows:

Lytic cycleLysogenic cycle

The lysogenic cycle is a form of viral reproduction involving the fusion of the nucleic acid of a bacteriophage with that of a host, followed by proliferation of the resulting prophage.

As observed in the part B of the diagram, the host cell does not burst, hence, it is the lysogenic cycle that is represented by part B.

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Answer: c

Explanation:

What type of muscle has a primary purpose of animal movement?

A) cardiac muscle
B) smooth muscle
C) tendons
D) skeletal muscle

Answers

Answer:

B. Smooth Muscle

Explanation:

Medusae are among the simplest animals that use muscles to make rhythmic movements. In at least some medusae, the circular muscles, which do most of the work of swimming, are striated. In contrast, most of the other muscles of cnidarians are smooth.

Answer:

D) skeletal muscle

Explanation:

skeletal muscle cells join together to form fascicles, and fascicles form the skeletal muscle.

Anaerobic respiration results in a ____ energy output compared to aerobic respiration.

a. high
b. low​

Answers

Answer:

low

Explanation:

Which is BEST if the writer wants to express that he is able to eat vegetables?

Answers

Answer:

Umm...I'm not sure if this is a question where there is MC but if not, the the answer would most likely be, "By actually doing then saying"

Explanation:

Hello, I'm 18 yrs, I just wanted to see the answer pls for this!

Hello, I'm 18 yrs, I just wanted to see the answer pls for this!

Answers

Answer:

Central diagram

Explanation:

In nature, glucose is
A. typically found in its linear form in solution.
B. a ketose monosaccharide.
C. known as gluocopyranose when in its cyclic form.
D. typically found as the L isomer.

Answers

In nature, glucose is C. known as gluocopyranose when in its cyclic form.

Glucose is a type of sugar that is typically found in nature in its cyclic form, known as gluocopyranose. This form is more stable and allows for the molecule to be easily stored and transported within cells. Glucose is an aldose monosaccharide, meaning it has an aldehyde group (-CHO) at one end and multiple hydroxyl groups (-OH) along the carbon chain. It is also typically found as the D isomer, which is the most common form of glucose in nature.

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What happens after
transcription?
A. The DNA strand breaks apart.
B. The DNA strand dissolves.
C. The DNA strand rejoins.
D. The DNA strand unwinds completely.

Answers

Answer:

The DNA strand breaks apart (splits in half, if you will) in order for the translation process to begin.

What is assimilation? What is the use of digested food in the body?​

Answers

Answer:

Assimilation is the movement of digested food molecules into the cells of the body where they are used. For example: glucose is used in respiration to provide energy. amino acids are used to build new proteins.

Explanation:

24-year old woman presents with uti symptoms. she is 34 weeks pregnant. as part of her work-up, you order a urinalysis, which shows 2 bacteria with no wbcs or squamous epithelial cells. two days later, the lab calls you and informs you that the urine culture is positive. you call the patient back and she denies symptoms of urinary tract infection. with regards to the urine culture results, what treatment is indicated?

Answers

The drug prescribed to a 24-year-old woman pregnant presents with UTI symptoms is Cephalexin. This drug is safe with no risk in pregnant women.

UTI or urinary tract infection is an infection of the kidneys, bladder, urethra, or any other component of the urinary system. Women are more prone to urinary tract infections. Mostly they affect the bladder or urethra. It causes pelvic pain, urges to urinate, and blood in the urine.

Ciprofloxacin and Bactrim are quinolone antibiotics that are most commonly prescribed to treat UTIs but these drugs are harmful to pregnant women. Therefore, Cephalexin 500 mg QID for 7 days is prescribed because this is categorized by FDA as a Pregnancy Category B drug. These drugs are safe and have proven no risk in humans.  These drugs will kill the bacteria that cause UTI infections.

Therefore, option A will be a suitable treatment.

The complete question is -

A 24-year-old woman presents with URI symptoms. She is 34 weeks pregnant. As part of her work-up, you order a urinalysis, which shows 2+ bacteria with no WBCs or squamous epithelial cells. Two days later, the lab calls you and informs you that the urine culture is positive. You call the patient back and she denies symptoms of a urinary tract infection. With regards to the urine culture results, what treatment is indicated?

A) Cephalexin B) Bactrim C) no treatment D)Ciprofloxacin

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The virus is considered an exception to the
cell theory because the

A. mitochondria of the virus contain genetic
material

B. virus contains genetic material but no organelles

C. chloroplasts of the virus contain genetic material

F. virus contains no genetic material and is multi-
nucleated

Answers

The virus is considered an exception to the cell theory because the virus contains genetic material but no organelles. Thus option B is correct.

What are the characteristic features of virus ?

Viruses are the infectious microbes, a connecting link between living and nonliving organism that contain a nucleic acids covered by a protein coat.

Virus can reproduce at a spectacular rate and live in host cells, They are acellular as they have no cytoplasm or cellular organelles.

They  do not have their own machinery so for their metabolism depend on their host and replicate by using the metabolic machinery of the host cell.

viruses can not grow and divide and the new viral components are synthesized and assembled into the infected host cell, they have DNA or RNA but not both.

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1 point
What form is DNA in when it needs to be divided (but cannot be used to
make proteins)? *
Chromatin
Chromosome
Gene
Histone Protein

Answers

Chromosomes is the answer I think

Mammals that have horns or antlers include deer, antelope, goats, and sheep. is it reasonable to conclude that the traits of horns evolved in a common ancestor of all these animals? Explain why.

Answers

Answer:

Sheep, goats, antelopes, and deer are all members of the Order Artiodactyla, which is also known as even-toed ungulates. However, the deer branched off and evolved separately from sheep, goats, and antelopes. Deers are member of the family Cervidae, whereas sheep, goats and antelopes are from family Bovidae.

Therefore, these animals did not evolve from a common ancestor that has horns. Instead, they all evolved from a hoofed mammal. Moreover, the deer evolved from a cervid that has antlers, whereas, sheep, goats, and antelopes evolved from a bovid that has horns.

Describe environmental variation in intertidal zones.

Answers

the intertidal zone is such an extermely variable environment because it environment experience very high change in elements of the environment it is also called littoral zone it also have rock and Sandy Beaches

Suppose the current exchange rate between Germany and Japan is 0.02 =C/¥. The euro-denominated annual continuously compounded risk-free rate is 4% and the yen-denominated annual continuously compounded risk-free rate is 1%.
a. What are the 6-month euro/yen and yen/euro forward prices

Answers

The 6-month euro/yen forward price is 0.0201185 €/¥.

The 6-month yen/euro forward price is 49.7307 ¥/€.

To calculate the forward prices, we need to consider the interest rate differentials between the two currencies.

1. Calculate the euro/yen forward price:

  Forward price = Spot price × (1 + Euro interest rate) / (1 + Yen interest rate)

  Forward price = 0.02 × (1 + 0.04) / (1 + 0.01)

  Forward price = 0.0201185 €/¥

2. Calculate the yen/euro forward price:

  Forward price = 1 / Euro/yen forward price

  Forward price = 1 / 0.0201185

  Forward price = 49.7307 ¥/€

Therefore, the 6-month euro/yen forward price is 0.0201185 €/¥, indicating the amount of yen needed to buy one euro in the future. The 6-month yen/euro forward price is 49.7307 ¥/€, indicating the amount of euros needed to buy one yen in the future.

These forward prices are determined based on the interest rate differentials and expectations of future currency exchange rates.

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I SWEAR LAST ONEE


A phospholipid is composed of all the following, except.
O a charged phosphate group
O a glycerol head
a fatty acid tails
O a polysaccharide nucleus
carbon, hydrogen, oxygen, & phosphorous
*

Answers

Answer:

Polar

Nonpolar

Phospholipid Head

Phospholipid tail

Phospholipid

Phospholipid Bilayer

Answer:

You're right. It's the last one.

Explanation:

Phospholipids consist of a glycerol molecule, two fatty acids, and a phosphate group that is modified by an alcohol. The phosphate group is the negatively-charged polar head, which is hydrophilic.

A brown lizard that has invaded some areas of Florida

you have to fill in the question what is the name of the brown lizard please help
Thanks​

Answers

Answer:

The Brown Anole (Anolis sagrei)

Explanation:

The Brown Anole (Anolis sagrei), sure didn’t waste any time settling in and getting established since their introduction from the Caribbean to southern Florida in the early 1970’s. They have since extended their list of conquered states to Georgia, Texas, Hawaii, and California.

*I think this is the one you need, if you meant a brown lizard that invaded Florida recently, then I have no clue.

Answer:

Brown Anole

Explanation:

when a neurotrasmitter binds and initiates fast, short effects (i.e., vision or hearing), very quickly opening an ion channel this is occuring at the

Answers

The process that occurs when a neurotransmitter binds and initiates fast, short effects such as vision or hearing, very quickly opening an ion channel, is called synaptic transmission.

Synaptic transmission is the process through which chemical or electrical signals are transmitted between neurons at synapses. It occurs when a presynaptic neuron releases a neurotransmitter that binds to receptors on the postsynaptic neuron, initiating a response in the postsynaptic cell that can either excite or inhibit its firing.

These neurotransmitters are responsible for fast, short-term effects in the body, such as those seen in vision or hearing. For example, when a neurotransmitter such as glutamate binds to its receptor on the postsynaptic neuron, it opens an ion channel, allowing positively charged ions to enter the cell. This causes the membrane potential of the neuron to become less negative, which makes it more likely that the neuron will fire an action potential. In this way, synaptic transmission allows neurons to communicate with each other and ultimately enables complex processes such as thought, perception, and movement.

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PLEASE HELP BEING TIMED Which is one piece of information that fossils in samples from Earth's crust reveal about Earth's history?
A. Changes in climate
B. Number if species at the specific time
C. Composition of Earth's core
D. Age of organisms when they died ​

Answers

Answer: changes in climate

Change in climate information that fossils in samples from Earth's crust reveal about Earth's history. So, the correct option is (A).

What are Fossils?

A fossil is defined as the preserved remains, impression, or trace of a once-living thing from a past geological age, including bones, shells, exoskeletons, fossilized traces of animals or microbes, amber, hair, petrified wood, and DNA. The totality of fossils is known as the fossil record.

There are five types of fossils which are as follows:

Body FossilsMolecular FossilsTrace FossilsCarbon FossilsPseudo fossils

The fossil record shows that the types of living things on Earth changed over time which reveals the Earth's history.

Thus, change in climate information that fossils in samples from Earth's crust reveal about Earth's history. So, the correct option is (A).

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What is the relationship between III-1 to III-2

What is the relationship between III-1 to III-2

Answers

Answer:

III 2 IS THE HUSBAND OF III1

Which organism in this food web would be most affected by the loss of the flounder population?



Which organism in this food web would be most affected by the loss of the flounder population?



S7L4.c


lugworm


phytoplankton


crab


heron

Which organism in this food web would be most affected by the loss of the flounder population?Which organism

Answers

Answer:

Crab or LLugworm

Explanation:

The Flounder is their only food resource and if they don't have any of the Flounders left, eventually the rest of the organisms will die out so it would be the Crabs or Lugworms to die first.

WILL GIVE BRAINLY IF CORRECT!!! PLEASE I BEG OF YOU I NEED HELP!!! ASAP!!!! WILL REPORT IF RANDOM! LOTS OF POINTS!!!!

Fill in the left side of the chart, with the name of the organism that is the MOST complex to LEAST complex. Then, after all the names of the organisms are on the left, match their name with the correct description of how each organism changed during its development, on the right side.

NAME OF ORGANISM -

- fish

- salamander

- tortoise

- chick

- rabbit

- human

DESCRIPTION -

- Developed limbs, defined features in face, neck, ears, loss of tail, tiny fingers present

- Developed beak, tail shorter, wings and legs developed, head quite large

- Has gills, tail and large underbelly

- Shell developed, limbs have developed, tail is thinner, large belly, long tail, beak

- Tail gone, developed limbs, detailed features in ears and mouth

- fins developed, gills, tail and scales

WILL GIVE BRAINLY IF CORRECT!!! PLEASE I BEG OF YOU I NEED HELP!!! ASAP!!!! WILL REPORT IF RANDOM! LOTS
WILL GIVE BRAINLY IF CORRECT!!! PLEASE I BEG OF YOU I NEED HELP!!! ASAP!!!! WILL REPORT IF RANDOM! LOTS

Answers

Answer:

most: human

2nd: salamander

3rd: rabbit

4th: tortoise

5th fish

6th chick

Explanation:

I've done this assignment.

Answer:

most: human

2nd: salamander

3rd: rabbit

4th: tortoise

5th fish

6th chick

Explanation:

hope I helped

Split-brain patients can search for and identify a visual target item in an array of similar items _____________ than healthy controls can—presumably because _______________________

Answers

Split-brain patients can search for and identify a visual target item in an array of similar items faster than healthy controls can—presumably because their divided brain hemispheres allow for parallel processing and independent visual search capabilities.

Split-brain patients are individuals who have undergone a surgical procedure called corpus callosotomy, which involves severing the corpus callosum, the main connection between the brain's left and right hemispheres. This procedure is usually performed to alleviate severe epilepsy.

When split-brain patients are presented with an array of visual stimuli and asked to search for a specific target item, they often demonstrate faster search times compared to healthy individuals. This phenomenon is attributed to the independent processing capabilities of their divided brain hemispheres.

In split-brain patients, visual information presented to one hemisphere remains isolated within that hemisphere, without direct communication with the other hemisphere. As a result, each hemisphere can simultaneously process visual stimuli in parallel and independently conduct a visual search for the target item.

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Im not very sure about this

Im not very sure about this

Answers

Answer:

CRISPR can also be used to make precise changes such as replacing faulty genes – true genome editing – but this is far more difficult. Customised Cas proteins have been created that do not cut DNA or alter it in any way, but merely turn genes on or off: CRISPRa and CRISPRi respectively.

Ten Discussion Questions1.Which number is beside the waxy covering of this flower? (image 1)2. Which number is beside the pistil of this flower? (image 1)3.What are the reproductive organs of a plant called?4. What are the reproductive organs of an animal called?5. What is an exoskeleton and explain its function?6. How are the support systems of plants and animals different?7. How is the function of a plant's waxy covering similar to the function of a cat's hair?8. How is the function of a plant's pistil and stamen different from the function of the ovariesand testes of an animal?9. Name one plant and one animal and explain a similarity between the function of theirorgans or physical structures.10. Name one plant and one animal and explain a difference between the function of theirorgans or physical structures.

Ten Discussion Questions1.Which number is beside the waxy covering of this flower? (image 1)2. Which

Answers

Parts of the flower:

1. pistil

2. petal

3. leaf

4. receptacle or stem (location of number is not clear)

Answer to question 1 is receptacle or stem.

Answer to question 2 is petal

Answer to question 3

The reproductive organs of the plant are stamen, stigma, calyx, pistil, and colas.

Stamen is the male part of a flower. Stigma is responsible for collecting pollen grains. Calyx is a component of sepals and responsible for protecting the inner part of the flower while it is under development. Pistil is the female reproductive part of the flower. Cola is the bud. It is a cluster of buds. In general, the reproductive parts are the androecium (group of stamens) and gynoecium (carpels/pistils).

Body Surface Area -adapted from the Redlarski’s paper (link)
Body surface area (BSA) plays a key role in several medical fields, including cancer chemother-
apy, transplantology, burn treatment and toxicology. BSA is often a major factor in the
determination of the course of treatment and drug dosage. A series of formulae to simplify
the process have been developed. Because easy-to-identify, yet general, body coefficient re-
sults of those formulae vary considerably, the question arises as to whether the choice of a
particular formula is valid and safe for patients. These empirical formulae are derived by
observing/fitting the experimental data and do not have a rigid model or reason explain-
ing their validity. In this problem, you will build a physics model to create your own BSA
equation other than using an empircal formula.
(a) Use a cylinder of height H and radius r as a approximation of the shape of a human.
Calculate the human’s body surface area(BSA), volume(V), and mass(M) in terms of
r and H. You may assume the density of human is 1000 kg/m3.
(b) Rewrite the surface area in in terms of height and mass.
(c) According to the equation you derived above, what is your body surface area? Is it the
same as the result calculated by using the empirical fomulae: BSA = √M H/C with
BSA in m2, M in kg, H in cm, and C=60 is a constant in this paper? If not, what is the percentage differences?
Note: percentage difference for two values E1 and E2 are |E1−E2|
(E1+E2)/2 ×100%.
(d) Considering the formula BSA = √MH/C with fixed H, plot a graph with BSA on
the y-axis and M on the x-axis. Explain what the trend/curve means.
(e) Considering the formula BSA = √MH/C with fixed BSA, plot a graph with H on
the y-axis and M on the x-axis. Explain what the trend/curve means.
(e) Considering the formula BSA = √MH/C with fixed BSA, plot a graph with H on
the y-axis and M on the x-axis. Explain what the trend/curve means.

Answers

a)Using a cylinder of height H and radius r as an approximation of the shape of a human, the surface area, volume, and mass are calculated in terms of r and H as follows:

Surface area (S) of a cylinder is 2πrh + 2πr², where h is the height, and r is the radius of the cylinder. In this case, the height of the cylinder is equivalent to the height of the human body. Hence;S = 2πrH + 2πr²Mass (M) of a cylinder is given by M = ρV, where ρ is the density of the cylinder, and V is the volume. Hence, the mass of a cylinder in terms of its radius and height isM = πr²HρVolume (V) of a cylinder is given by V = πr²H. Hence, the volume of a cylinder in terms of its radius and height isV = πr²H

(b)The body surface area (BSA) of a human can be rewritten in terms of the height (H) and mass (M) as follows:

BSA = √(M/H C)We can rewrite it as H = M/ (BSA² C)Thus, H can be expressed as a function of M and BSA asH = M/(BSA² C)

(c)If r = 0.15 m and H = 1.70 m, then using the equation, S = 2πrH + 2πr², the body surface area is given as:

S = 2π (0.15)(1.70) + 2π (0.15)² = 1.77 m²Using the empirical formula, BSA = √(MH/C) with M = 60 kg and H = 170 cm, we get BSA = 1.85 m²The percentage difference is given by;|E1 − E2| / (E1 + E2) / 2 × 100%where E1 = 1.77 m² and E2 = 1.85 m²Thus;|1.77 – 1.85| / (1.77 + 1.85) / 2 × 100% = 4.2%

(d)Considering the formula BSA = √(MH/C) with fixed H, a graph with BSA on the y-axis and M on the x-axis can be plotted.The trend shows a non-linear increase in BSA as the mass increases.

(e)Considering the formula BSA = √(MH/C) with fixed BSA, a graph with H on the y-axis and M on the x-axis can be plotted.The trend shows a linear increase in height as the mass increases.

About Human

Human are the most numerous and widespread primate species. They are a type of great ape that is characterized by a bipedal gait and capable cognitive abilities thanks to their large and complex brains. From the moment humans were created, somatic cell chromosomes have a total of 46 egg cells or sperm cells have only 23 chromosomes. The existence of fertilization returns the number of chromosomes of body cells to 46.

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Choose the example(s) of survival outcomes (choose all that apply).
Time worked per week on BIOS 6601 course
Race (White, Black, Asian, Native Hawaiian, American Indian or Alaska Native)
Time until acute lymphoblastic leukemia relapse
The amount of blood lost during the C-section
Time until death or stroke

Answers

The examples of survival outcomes are "Time until acute lymphoblastic leukemia relapse" and "Time until death or stroke." These examples involve measuring the duration until a specific event occurs, making them survival outcomes.

They are particularly relevant in medical research, where understanding the time to relapse or the time until death or stroke can provide valuable insights into disease progression, treatment effectiveness, and patient prognosis.

In the case of acute lymphoblastic leukemia, tracking the time until relapse helps researchers and clinicians assess the efficacy of treatment protocols and identify potential factors influencing disease recurrence. Similarly, studying the time until death or stroke allows for the evaluation of risk factors, treatment interventions, and survival rates in various populations.

"Time worked per week on BIOS 6601 course" does not represent a survival outcome as it pertains to the amount of time spent on a course, which is not directly related to health or mortality. Additionally, "Race" refers to categorizing individuals based on their racial background and does not inherently involve survival outcomes.

Survival outcomes focus on measuring and analyzing the duration until specific events occur, providing valuable information for medical and health-related research.

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Lab: Interdependence of Organisms
Assignment: Lab Report
Active

Answers

Answer:

Record your data in the table below. Be sure to record any qualitative observations in your lab notebook.  

 

Heights (cm)  

 

                                                                Week one  

                                                      (before adding worms)        week 3                 week 5  

Plant 1    10cm                        22cm                   49cm  

 

Plant 2          9cm                          23cm                    47cm  

   

 

Plant 3          8cm                          20cm                49cm  

 

Plant 4          9cm                         22cm                 50cm  

 

Plant 5         10cm                        22cm                  47cm  

 

Plant 6         8cm                          23cm                   52cm  

 

Control Group Average        9cm                           22cm                 49cm      

 

Plant 1   8cm                        24cm                50cm  

 

Plant 2        9cm                         28cm                60cm  

 

Plant 3         8cm                        26cm                 49cm  

 

Plant 4         8cm                        25cm                 53cm  

 

Plant 5         8cm                        27cm                  58cm  

 

Plant 6         7cm                        26cm                  60cm  

 

Experimental Group Average       8cm                          26cm                   55cm  

   

Difference in Average Heights  

(Experimental – Control)       -1 cm                            4cm                         6cm  

 

 

Explanation:

I got 100percent

Answer:

Part 1:

You need to include a

• Title: Lab- Interdependence of Organisms

• Purpose: Measure the effect the worms have on plant growth in the population

• Question: Will adding worms to the soil affect the growth of plants?

• Hypothesis: If plants grow in soil containing worms, then the plant growth will be greater because worms help decompose organic matter and distribute it through the soil in a form that plants can use.

• Variables:

Independent- number of worms

Dependent- plant growth

Constant- the type of plant, amount of sunlight, etc.

Control-

Part 2: Materials and Procedure

Supplies- two trays, lima bean seeds, worms, location with sunlight, black marker, meter stick, graduated cylinder, water

Procedure

1. label trays for each group, control and experimental group

2. fill each tray with 6 to 7 cm of soil

3. add six lima bean seeds to each of the trays and label them 1-6

4. add 50 mL of water to each tray evenly

5. leave them in sunlight for a week

6. Measure each of the sprouts in each tray

7. Record data and average the heights for each group, control and experimental, as well as find the difference

8. add worms to the experimental group

9. after three weeks measure each of the plants, record the data, average the height, and record the difference

10. after five weeks measure each of the plants, record the data, average the height, and record the difference

Part 3: Data

Week 1:

Control

10, 9, 8, 9, 10, 8 avg. 9

Experimental

8, 9, 8, 8, 8, 7 avg. 8

Week 3:

Control

22, 23, 21, 22, 22, 23 avg. 22

Experimental

24, 28, 26, 25, 27, 26 avg. 26

Week 5:

Control

49, 47, 49, 50, 47, 52 avg. 49

Experimental

50, 60, 49, 53, 58, 60 avg. 55

Part 4: Analysis and Conclusion

Analysis: discuss the relationship between the independent independent variable, explain trends in the data, describe data points to explain the experiment outcome, interpret statistics, and interpret graphs

Conclusion: determine whether the hypothesis was supported, restate the hypothesis, state whether it is correct or incorrect, and explain.

Explanation:

Just did it

Overall, what types of organisms benefit from the producers that capture energy from sun light and produce oxygen and sugar?.

Answers

Answer:

plants

Explanation:

plants are autotrophs. that means they produce their own food but they use photosynthesis. photosynthesis is capturing energy from the sun and producing oxygen and sugar. that is how they get their food

hope this helps!

Which of the following structures controls cardiac muscle contraction? Neuromuscular junctions between motor neuron and a muscle cell Desmosomes of intercalated discs Varicosities of autonomic nerve fibers Cardiac conduction system

Answers

Cardiac conduction system structures controls cardiac muscle contraction.The correct answer is D)

The cardiac conduction system is responsible for controlling the contraction of cardiac muscle. It consists of specialized cells that generate and transmit electrical impulses throughout the heart, coordinating its rhythmic contractions.

The main components of the cardiac conduction system include the sinoatrial (SA) node, atrioventricular (AV) node, bundle of His, bundle branches, and Purkinje fibers.

The SA node, located in the right atrium, acts as the natural pacemaker of the heart, initiating the electrical signals that trigger each heartbeat. The electrical impulses then pass through the AV node, bundle of His, bundle branches, and Purkinje fibers, causing coordinated contractions of the atria and ventricles.

Learn more about rhythmic contractions.

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Full Question: Which of the following structures controls cardiac muscle contraction

A) Neuromuscular junctions between motor neuron and a muscle cell

B) Desmosomes of intercalated discs

C) Varicosities of autonomic nerve fibers

D) Cardiac conduction system

Write a 2 paragraph summary about the structure of DNA from the information on the first page.
FYI the picture is attached

Write a 2 paragraph summary about the structure of DNA from the information on the first page. FYI the

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Answer:

DNA is made of chemical building blocks called nucleotides. These building blocks are made of three parts: a phosphate group, a sugar group and one of four types of nitrogen bases. To form a strand of DNA, nucleotides are linked into chains, with the phosphate and sugar groups alternating.

The four types of nitrogen bases found in nucleotides are: adenine (A), thymine (T), guanine (G) and cytosine (C). The order, or sequence, of these bases determines what biological instructions are contained in a strand of DNA. For example, the sequence ATCGTT might instruct for blue eyes, while ATCGCT might instruct for brown. The complete DNA instruction book, or genome, for a human contains about 3 billion bases and about 20,000 genes on 23 pairs of chromosomes.

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