Answer:
52,396
Explanation:
that's what G o o g l e said
23
Put the 4 phases of mitosis in the correct order.
III
Prophase
Telophase
III
Anaphase
III
Metaphase
Answer:
beef
Explanation:
poop
Answer:
prophase, metaphase, anaphase, and telophase
Explanation:
I'm happy to help
What are Bald eagle homologous structures
The wing of a bald eagle is homologous to the wing of a penguin. Homologous structures are structures that are of similar evolutionary origin.
How do we explain?Homologous structures are described as anatomical features found in different species that have a common evolutionary origin. These structures may have different functions in different organisms, but they share a similar underlying structure and can be traced back to a common ancestor.
The wing of a bald eagle and the wing of a penguin are considered homologous structures because they both evolved from a common ancestral structure, even though they serve different purposes which is flight in the case of the bald eagle and swimming in the case of the penguin.
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Which theory suggests that
speciation happens very slowly
over time through the
accumulation of many small
changes?
A. The Cell Theory
B. Independent Assortment
C. The Law of Limiting Factors
D. Gradualism
Answer:
A. The cell theory is the answer but I am not sure
HUGE REWARD IF ANSWERED
Are gender traits completely a result of societal expectations? Explain
Answer:
No. Gender traits in humans are largely determined by biophysical processes.
If i'm wrong, i'm rlly rlly sorry!!
Answer:
Absolutely not
Explanation:
Gender traits in humans are largely determined by biophysical processes that happens through the gene pool during the birth process.
1.What is the difference between renewable and nonrenewable resources? What are three examples of renewable resources?
Renewable resources are those that are replenished naturally in a reasonable amount of human lifetime.
In contrast, non-renewable resources are those that cannot regenerate in a human scale of time. For example, fossil fuels took thousands of years to form, so there is no way more will be formed to match the rate at which they are consumed.
Some examples of renewable resources are:
• Sunlight
,• Wind
,• Wood
,• Fishes
However, renewable resources can become overexploited when they are not allowed to replenish, so it's important to do sustainable use of them in order to not deplete them.
HELP PLS I GIVE BRAINLIEST!
Answer: c. 8
Explanation: it was the only pH where it had blue, no change, and yellow.
In animals, what types of cells differentiate from the outer layer of cells?
a. Middle layer?
b. Inner layer?
A yellow powder called make a flower?
Answer:
pollen
That yellow powder is called pollen, and the stick that holds it is called a stamen. Flowers reproduce when bees or other pollinators carry pollen between flowers.
The thingy is called pillen
what role does decompostiton playu in the oxygen cycle
Oxygen is present in CO2. During photosynthesis CO2 is used and O2 is released in the atmosphere. While decomposition anaerobic respiration takes place by decomposers, CO2 is released in atmosphere. Both photosynthesis and decomposition are bioactivities of O2 cycle. The reaction may be written as:-
6CO2+ 12 H2O → C6H12O6+ 6H2O+ 6O2 PHOTOSYNTHESIS REACTION.
C6H12O6→ 2C2H5OH+ 2CO2
DECOMPOSITION REACTION.
Answer:
Decomposition is a natural and vital process in the oxygen cycle that occurs when an organism dies. The dead plants and animals decay in the soil, and the organic matter, along with oxygen, carbon, water and other components, is released to the soil and air. Decomposition is carried out by some bacteria and fungi known as decomposers . Decomposition plays an important role in maintaining the balance of oxygen and carbon dioxide in the atmosphere, as well as recycling nutrients for the growth of new organisms. Decomposition also helps in reducing the accumulation of organic waste on the earth's surface .
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which is defined as a change in position for a time interval
Answer:Motion involves change in position, such as this perspective of rapidly leaving Yongsan Station. In physics, motion means a continuous change in the position of a body relative to a reference point, as measured by a particular observer in a particular frame of reference.
Explanation:
Sliding Filament Theory
No unread replies.11 reply.
The sliding filament theory of muscle contraction is probably one of the most difficult physiological concepts to grasp in BIO 141. The purpose of this discussion board is to assist students with their understanding of how skeletal muscle contracts by writing about and discussing the topic.
For the initial post, please explain in your own words your understanding of the sliding filament theory beginning from when the calcium is released from SR until the sarcomere actually shortens. Be use to include all of the protein filaments and their role in the contraction. Also, is there anything that you are having difficulty understanding? If you have questions, ask them.
Two ground-breaking scientific publications explaining the chemical underpinnings of muscle contraction were published in 1954.
What is sliding filament theory?The cylindrical, long cells that make up skeletal muscle. They are referred to as muscle fibers or myofibers because of how they appear. Skeletal muscle fibers are multinucleated cells, which means that they have multiple nuclei (rather than a single nucleus), as a result of the early developmental fusion of numerous precursor muscle cells (embryonic myoblasts).
Some parts of a sarcomere shrink while others remain the same size. A sarcomere is defined as the space between two adjacent Z discs or Z lines; this space is shrunk when a muscle contracts.
Only thick filaments are present in the H zone, which is the center of the A zone, and it shortens during contraction. The I band includes just thin filaments and likewise shortens.
Therefore, Two ground-breaking scientific publications explaining the chemical underpinnings of muscle contraction were published in 1954.
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here are The answer choices for question 1
Answer:
b
Explanation:
U
TS
OA. Q
OB. S
OC. VI
OD. II
RƠP
Q
Location X
Location
Reset
VII
VI
V
The scientists both used the same colors and patterns to represent different types of rocks. They also used the same set of black-
and-white symbols to represent specific types of fossils in the layers. By correlating layers based on fossils and rock types, the two
scientists have discovered that certain rock layers are present in both locations.
Submit
IV
Based on this information, if the age of layer R is 260 million years, then what other layer likely also has an age of
260 million years?
III
II
I
The method of determining whether sedimentary layers are of the same age yet geographically distant is known as correlation. Magnetic polarity reversals, rock types, distinctive rock sequences, or index fossils can all be used to determine correlation.
What is the fossil evidence?The definition of fossil evidence relates to evidence of microbes, animals, and plants that lived in the past. Fossil evidence is utilised to identify what the creature was, when it existed, and what significant events occurred during its lifespan.
If two rock strata have the same index fossils, they are most likely the same age. Matching Rock Layers with Index Fossils. Rock strata containing the same index fossils have to have originated around the same period.
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What is the role of microfilaments in cell division?
Answer:
The pull the cell membrane in.
Explanation:
I took the quiz.
select all features of collenchyma cells. multiple select question. they are alive at maturity. they lack living protoplasts at maturity. they are elongated in shape, rather than isodiametric they have unevenly thickened cell walls. they have thin cell walls.
The features of collenchyma cells are:
They are alive at maturity.They have uneven thickened cell walls.They are elongated in shape, rather than isodiametric.Elongated cells with irregularly thickened walls make up collenchyma tissue. In especially when growing shoots and leaves are involved, they give structural support. Items like the tough threads in celery stalks are made of collenchyma tissue. The single component of collenchyma cells' primary cell wall, which is typically thick and comprised of cellulose and pectin, is life.
Mechanical stress on the plant has an impact on cell wall thickness. Plants that have been shaken (to simulate the impacts of wind, etc.) may have walls of collenchyma that are 40–100% thicker than plants that have not been shook. Collenchyma cells are recognized for boosting structural stability and integrity and are typically found next to exterior developing tissues like the vascular cambium.
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In a hypothetical study, the investigator wants to look at the association between exposure to pesticides in the workplace and the development of asthma. The investigator selects a large group of individuals who work on PLTW farms across the country and follow them over ten years to determine who develops asthma. Of the 318 individuals exposed to pesticides, 69 develop asthma. 990 individuals worked in areas that were free of exposure to pesticides. 903 are asthma-free after ten years.
Is the hypothetical study a prospective or retrospective cohort study? Explain your answer.
Create the corresponding data table to show the results of this study.
Calculate the appropriate measure of association for this data. Show your work.
Interpret your results. What does this measure of association tell you about the development of disease?
Describe a weakness of this study design. How does this weakness affect overall reliability of results?
1) Prospective cohort study. 2) Table below. 3) Relative risk = 2.466. 4) The risk of developing asthma is greater in people exposed to the pesticide than in people not exposed to it. 5) Not knowing other risk factors that could cause asthma.
What are prospective and retrospective cohort studies?
Prospective and retrospective studies are carried out depending on the aim of the research.
Retrospective studies analyze the reason for which something occurred or explain an event or recent discovery.
Individuals from the study groups in these cases have already been affected.
Prospective studies are carried out to predict a future event.Most individuals from the study groups in these cases have not been affected. However, some of them might have been or might have high risks of being affected.
1)
The exposed study case is an example of a prospective cohort study.
It analyzes the connection (relationship) between being exposed to the pesticide and being affected by asthma.
It is carried out to predict if people exposed to pesticides have more chances of developing asthma or not.
2) Data
Total number of individuals exposed to pesticides: 318Individuals who developed asthma: 69Individuals who did not develop asthma: 249Total number of individuals not exposed to pesticides: 990Individuals who developed asthma: 87Individuals who did not develop asthma: 903Pesticide Expossure Asthmatic Not Asmathic Total
Yes 69 249 318
No 87 903 990
Total 156 1152 1308
3) Measures of association
Exposed people
attack rate = affected people with asthma / exposed people
attack rate = 69/318
attack rate = 0.217
Attack rate for peope exposed to pesticide, ARE = 0.217
Not Exposed people
attack rate = affected people with asthma / not exposed people
attack rate = 87/990
attack rate = 0.088
Attack rate for peope not exposed to pesticide, ARNE = 0.088
Being exposed
Relative risk = ARE / ARNE
Relative risk = 0.217 / 0.088
Relative risk = 2.466
4) Interpretation:
Relative risk = 1 ⇒ the risk of being affected is the same for the exposed and unexposed groups. Being exposed is not related to being affected.Relative risk > 1 ⇒ the risk of being affected is greater for the exposed group than for the unexposed group. Being exposed is closely related to being affected.Relative risk < 1 ⇒ the risk of being affected is greater for the unexposed group than for the exposed group.In the exposed example, relative risk is greater than 1 (Rr>1)
This means that the risk of developing asthma is greater in people exposed to the pesticide than in people not exposed to it.
Pesticide exposure might be a significant risk factor for asthma development.
5) Weakness of this study design
A weakness of the study could be that no other risk factor is considered.
There could be another factor affecting people and causing asthma development. This factor could be affecting both groups.
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Which describes where fog forms?
(A) at the ground
(B) in the upper atmosphere
(C) where the air has very low humidity
(D) where the atmosphere contains few particles
Answer: A.) at the Ground
Explanation: Just did the edgeunity Pretest ;)
Answer:
A) at the ground
Explanation:
edge 22
Describe the shape of the earths orbit around the sun
Earth's orbit is not a perfect circle. It is elliptical, or slightly oval-shaped. This means there is one point in the orbit where Earth is closest to the Sun, and another where Earth is farthest from the Sun.
pls mark pls pls pls
When the carbohydrate cellobiose is digested into two glucose monosaccharide sugars (by cellulase in certain fungal species), the resulting glucose monomers are properly defined as: A. the catalysts
B. the substrates
C. the enzymes
D. the reactants
E. the products
When the carbohydrate cellobiose is digested into two glucose monosaccharide sugars (by cellulase in certain fungal species), the resulting glucose monomers are properly defined as the products
The correct answer is option E.
When the carbohydrate cellobiose is digested into two glucose monosaccharide sugars by cellulase in certain fungal species, the resulting glucose monomers are properly defined as the products.
In a chemical reaction, reactants are the starting materials or substances that undergo a change, while products are the resulting substances formed after the reaction. In this case, cellobiose is the substrate, which is the molecule that undergoes the enzymatic reaction. Cellulase is the enzyme responsible for catalyzing the digestion of cellobiose into glucose monomers.
The enzyme cellulase acts as a catalyst in the reaction, facilitating the breakdown of cellobiose into glucose. Catalysts are substances that increase the rate of a chemical reaction without being consumed or permanently changed themselves. However, in the context of the given question, the glucose monomers produced are the final result or product of the enzymatic digestion process.
Therefore, in the digestion of cellobiose, the resulting glucose monomers are correctly identified as the products (option E).
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100 words
Have you personally experienced unprofessional behavior from a healthcare provider or coworker in the past? If so, please share the experience and how it made you feel as a patient or coworker.
I want to help you, I was in the process of answering the question with my own experience. However, this is really personal and it's asking for one of your own experiences. I'm sorry, but you can do it♡
Which of the following is an acid?
NaOH
NaCl
HCI
CH4
Answer:
HCl
Explanation:
Some easy ways to identify if a compound is an acid is to locate an H+ proton, while basic compounds will have an OH- ion.
Examine all the choices:
A) NaOH
Already, we see that OH is here, so it's a base, not an acid. Eliminate.
B) NaCl
This doesn't have an H+ or an OH-, so it's not an acid. It's actually a salt. Eliminate.
C) HCl
This does have an H+, so it's an acid.
D) \(CH_4\)
Although this does have an H, it's a hydrocarbon - an organic compound. So, it's not an acid.
The answer is thus C.
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What are proteins made from?
A. Nucleic acids.
B. Fatty acids.
C. Amino acids.
D. Monosaccharides
Please help!
Amino acid building blocks make up proteins. Thus, the right response to the question is (c).
How do proteins become made?A complex collection of molecules known as a ribosome is used by cells to assemble proteins. The ribosome puts amino acids in the correct order and connects them with peptide bonds. A polypeptide chain—a lengthy collection of amino acids—is produced by this procedure, known as translation.
Why do proteins matter in biology?Amino acids make up the chemical substances known as proteins. Up to four levels of structure can be found in proteins. Different proteins each have a complicated structure that gives them special characteristics. Proteins called enzymes speed up biological processes in cells. Proteins known as antibodies hunt down and kill infections.
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A rock can be defined by its texture and composition true or false
Answer:true
Explanation:im good with rocks
.
Explain why water has unique properties including high surface tension
and a high boiling point.
Answer:
Water molecules are polar and form strong hydrogen bonds.
Explanation:
Properties like high surface tension and boiling point are unique to water due to water's polar molecules. This allows water to form very strong hydrogen bonds and give it some different abilities.
Why is biodiversity important in ecology?
Answer:
its the key indicator of the health of an ecosystem
what is the difference between bracketed key and indented key?
Answer:
Bracketed and indented keys are two dichotomous/or branching keys with an ordered, numbered couplet, and spatially differentiated respectively.
Explanation:
Dichotomous keys are used in the identification and classification of taxa.
Bracketed keys, or parallel keys, are easy to understand- for efficiency, these keep the first two entries of every couplet or pair being compared. It also makes use of a numbering system in the couplet choices for easy tracking.
Indented keys maintain an equal distance from the margin on the left of the pages. Successive couplets are indented til the taxon is identified.
impacts of invasive species impacts the carbon cycle? and how?
Answer:
Explanation:
Invasive plants tend to deplete soil health in grasslands by reducing biodiversity and eliminating native species. The shift towards an invasive plant monoculture is accomplished through a variety of strategies including competition for soil moisture, changing soil chemistry, shading and space.
it releases more carbon dioxide into the atmosphere than native plants, according to new research in Science.
A chemical formula shows the kind and number of atoms that form a
What is the main function of the cell membrane of a cell?
A. To organize the cell's internal contents
B. To limit the size that the cell can reach
C. To protect the cell from harmful substances in the environment
D. To exchange nutrients and the cell's wastes with the external
environment
What are examples of vestigial structures in humans?
Explanation:
-Vestigial organs are basically smaller in size and have either lost their function or are about to.
Answer:
1)Appendix
2)Wisdom teeth
3)Tailbone (Coccyx)
4)Third Eyelid (this is the part of the eye that you can see at the corner of the eye)