Answers
Answer:
Spongy bone is porus and found in animals, contains red bone marrow. Compact bone is much more dense, filled with organic ground substance and inorganic salts.
Explanation:
Related Questions
In a laboratory experiment, a plant receives sunlight and water, but not carbon dioxide. Predict what happens to the plant and construct an explanation for your prediction using what you know about the light-dependent and light-independent reactions.
Answers
A plant that receives sunlight and water but not carbon dioxide will not be able to produce carbohydrates
PhotosynthesisThe process whereby light photosynthesized can broadly be divided into 2:
Light-dependent reactionsLight-independent reactionsThe products from the light-dependent reactions are used to fix carbon dioxide into glucose in the light-independent reaction.
Thus, without carbon dioxide, the light-dependent reaction will take place normally while the light-independent reaction cannot because the major reactant is lacking.
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The diagram shows how gas exchange happens in a specialised structure of the lungs. Name part C.
Answers
The red blood cell, shown by the letter C in the diagram of the specialized structure of the lungs, is in charge of transferring oxygen from the lungs to the body's tissues and carbon dioxide from the tissues back to the lungs for exhalation.
A kind of blood cell called a red blood cell, also called an erythrocyte, is in charge of transferring oxygen from the lungs to the body's tissues and carbon dioxide from the tissues back to the lungs for exhalation. Hemoglobin, a protein that binds to both oxygen and carbon dioxide, is found in red blood cells, which are disc-shaped cells without a nucleus. They are an integral part of the body's ability to exchange gases with the environment and play a crucial function in the respiratory system.
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Mark this and return
How is energy related to the change of state
represented by the model?
O Atoms gain energy as a gas changes to a solid.
Atoms gain energy as a gas changes to a liquid.
Atoms lose energy as a gas changes to a solid.
Atoms lose energy as a gas changes to a liquid.
Answers
The energy is related to the change of state represented by the model by: D. Atoms lose energy as a gas changes to a liquid.
What is Atoms?A model of the transition from a gas to a liquid is shown in the accompanying image. It demonstrates how atoms or molecules change from being widely scattered as in a gas to being concentrated as in a liquid.
The atoms in this process move from a higher-energy state to a lower-energy state releasing or losing energy in the process. The most common kind of energy loss is heat.
Therefore the correct option is d.
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FILL IN THE BLANK when a receptor is taken into the cell by endocytosis, the cell becomes ____ to the action of the receptor.
Answers
When a receptor is taken into the cell by endocytosis, the cell becomes desensitized to the action of the receptor.
The internalized, active receptor is then moved to the lysosomes and late endosomes for destruction. The active involvement of receptor-mediated endocytosis in the transmission of signals from the cell periphery to the nucleus is noteworthy, nevertheless. Endocytosis, in which certain areas of the plasma membrane invaginate and pinch off to produce endocytic vesicles, allows cells to take up liquid, molecules, and particles. Many of the chemicals and particles that are endocytosed end up in lysosomes where they are broken down.
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G
This graph shows Florida's leading economic sectors.
Gross Domestic Product of Florida
2013
GDP (Billions)
$140
$120
$100
$80
$60
$40
$20
$0
Services Education Entertainment Manufacturing
Economic Sector
Which of these best describes manufacturing in Florida in 2013?
Trade
Finance and
real estate
OIt was nearly absent in Florida's economy.
It was Florida's sixth biggest economic sector.
It was Florida's third most important economic sector.
It was Florida's most important economic sector.
Answers
Answer:
According to the graph, in 2013, the manufacturing sector is represented by the fourth bar from the left and its GDP value is around $50 billion. Therefore, the correct answer is: "It was Florida's third most important economic sector."
Which of the following statements about cell respiration is true?
Answers
Answer:
The actual answer is C not d
Explanation:
Just did the gizmo
During the process of cell respiration when the organism converts the chemical energy from oxygen molecules.
The Cell respiration includes the catabolic reaction that breaks the larger molecules and releases the waste products. The overall reaction occurs through the biological redox reaction. nutrients are commonly used by the animal and plants cells for the process that include salts, sugars, and fatty acids.Hence the option C that is electron leaves the transportation chain in the water molecule is correct.
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impact of raising dairy calf in dairy development
Answers
Dairy calf do play a key role in the process of dairy development.
What is dairy development?Raising dairy calves in dairy development has the following impacts:
Increases dairy production: Raising healthy calves leads to a larger and more productive dairy herd.
Improves genetics: By carefully selecting breeding stock and raising replacement heifers, dairy farmers can improve the genetics of their herd over time.
Supports sustainability: A well-managed calf-raising program can reduce the need for purchased replacement animals, reducing the environmental impact of the dairy industry.
Enhances economic viability: Raising calves for replacement animals on the farm can reduce the cost of purchasing outside animals, contributing to the overall financial stability of the dairy operation.
Supports animal welfare: Proper care of dairy calves helps to ensure their health and wellbeing, supporting animal welfare principles.
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correct answers only please
Which of the following describes an air mass with the symbol mT?
A. cold and wet because it forms over a cold ocean
B. cold and dry because it forms over an area of cold land
C. warm and wet because it forms over a warm ocean
D. warm and dry because it forms over an area of warm land
Answers
In this activity, you will explore how DNA microarrays are being used as a tool for studying--and possibly treating--cancer.
The data shown here were obtained from a DNA microarray study of gene expression patterns in 16 cancer patients. Although data for many more genes were obtained from the DNA microarray, only 12 specific genes of interest are shown.
The data in the chart are color-coded as indicated by the key that appears below the chart. Red represents high relative gene expression and blue represents low relative gene expression.
Answers
A different set of genes is transcribed in cells from patients in Group I compared to cells from patients in Group II For some genes, there is variation in the amount of mRNA present, even among patients in the same group.
If you were given microarray data from the cells of a new patient belonging to either Group I or Group II, you would probably be able to tell which group the patient belongs to.
All humans carry the same set of genes (although individuals' alleles can vary). However, different individuals and different cells may have different gene expression patterns. DNA microarrays reveal differences in these gene expression patterns by measuring mRNA levels in different cell samples.
In this study, you can see that there are distinct differences in gene expression between the cells of patients in Group I and Group II. The differences are clear enough that if you were given microarray data for a new patient, you would probably be able to predict whether the patient belongs in Group I or Group II. Note, however, that gene expression patterns are not identical within a single group -- there is variation in gene expression even among patients within a group.
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What is meant by "nutrient limitation
Answers
Answer:
meaningful additions of an essential element
Explanation:
Nutrient limitation occurs when meaningful additions of an essential element in additions of an essential element in biologically available forms cause an increase in the rate of a biological process (such as primary productivity) and/or in the size of an important ecosystem compartment (such as bi ) biomass).
Which of the following statements about feedback regulation of a metabolic pathway is correct?
A) The compound that regulates the pathway acts as a competitive inhibitor or a positive allosteric regulator.
B) The enzyme that is regulated by feedback inhibition is usually the last enzyme in the metabolic pathway.
C) The final product of a metabolic pathway is usually the compound that regulates the pathway.
D) The products of the pathway become the reactants for a different reaction, and thus products are unable to accumulate.
E) Accumulation of the product of the pathway increases further formation of that product.
Answers
Answer:
Correct answer is: B) The final product of a metabolic pathway is usually the compound that regulates the pathway.
Explanation:
Feedback regulation of a metabolic pathway is a mechanism by which the end product of a pathway inhibits an enzyme that catalyzes an early step in the pathway, thus preventing the overaccumulation of the product. This is an example of negative feedback, which maintains homeostasis and optimizes the efficiency of the pathway.
For example, in the synthesis of the amino acid isoleucine from threonine, the final product isoleucine binds to the allosteric site of the first enzyme in the pathway, threonine deaminase, and inhibits its activity. This reduces the rate of the pathway and prevents the excess production of isoleucine.
O \
=
A 4-
.
1
1
12
311
UUSU
Drag th
what is a refraction? H
T11
ON
Answers
Answer:
283
Explanation:
which statement are true of any saturated solution at a given temperature? A. No more solute will dissolve in the solution B. Adding more solute will increase the saturation C. You can dissolve more solute if you stir the solution D. One liter of the solute contains 2000 grams of solute
Answers
Answer:
I believe the answer is B
Explanation:
It can't be D tho
ASAP PLS HELP!!! WILL MARK AS BRAINLIEST + 50 points!
I need this chart filled out, attached the chart and my species i created.
PLS PLS PLS HELP!!! ASAP
Answers
The three traits and the possible phenotypes are:
eye color; blue, brownhair color; blonde, red, blackheight; tall, average, shortWhat are traits and phenotypes?An observable characteristic is simply referred to as a phenotype.
The term "pheno" and "phenomenon" share a common root, and "pheno" simply means "observe".
It can therefore refer to anything from a common trait like height or hair color, to the presence or absence of a disease. It is also an observable type of an organism.
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how do scientists use rock layers to date fossils ? USE IN YOUR OWN WORDS.
40 POINTS DONT SKIP !
Answers
Answer:
By comparing a fossil to similar rocks and fossils of known ages, relative dating can be used to estimate its age. Absolute dating is a method of determining the precise age of a fossil by using radiometric dating to measure the decay of isotopes, either within the fossil itself or, more commonly, the rocks that surround it.
Explanation:
Of the following factors that impact biodiversity, which one would be considered a micro-effect? (1 point)
An invasive species of plant is introduced that outcompetes all local plants.
A stand of aspen trees dies and decays, leaving a clearing in the forest.
A hurricane destroys a coral reef.
A forest is cleared for the construction of a suburban home division.
Answers
A stand of aspen trees dies and decays, leaving a clearing in the forest could be considered a micro-effect. Biodiversity depends on genetic variation.
What does biodiversity mean?
The term biodiversity makes reference to both genetic and phenotypic variation of populations and species living in a given area.
Biodiversity is fundamental for the homeostasis (internal equilibrium) of a particular ecosystem.
Biodiversity is also fundamental for a population in order to face different environmental conditions.
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a.
lose their leaves seasonally
b.
trees keep their leaves, whether broadleaf or needleleaf, year-round
a. angiosperm b. cryptosperm
O a. angiosperm b. gymnosperm
O a. gymnosperm b. angiosperm
a. cryptosperm b. chynosperm
Answers
Answer:
Should be B
Explanation:
Sorry for the previous wrong answer, I'm pretty sure it's B because I took the test and it said B
According to the question option, "B" trees keep their leaves, whether broadleaf or needle leaf, year-round a. angiosperm b. cryptosperm is correct.
What is the difference between angiosperms and gymnosperms?Gymnosperm seeds are configured as cones.
Thus, the correct option is "B".
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Open Ended - Describe the role of diffusion in the respiratory system.
Answers
Diffusion is the process by which gases move from an area of high pressure to low pressure. This is during internal and external respiration when gas is exchanged between the alveoli and lung capillaries. It is the simple movement of gases, without the need of any energy or endeavor by the body, between the alveoli and the capillaries in the lungs. Once in the lungs, the air travels over the bronchioles where it reaches the alveoli. From there, the oxygen from the air you breathe enters your blood in nearby blood vessels.
In single-celled organisms, diffusion across the cell membrane is enough for conveying oxygen to the cell. In order to be a beneficial means of providing oxygen to the cell, the rate of oxygen uptake must meet the rate of diffusion across the membrane.
1. The article states "plants take up carbon dioxide from the atmosphere and convert it into food. Explain how this supports the law of the conservation of matter
2. New research has shown plants are photosynthesizing more. What percent increase is being shown by plants?
3. This increase in photosynthetic rate, accounts for how much more carbon being removed from the atmosphere?
4. What do researchers propose this increase is a result of?
5. Describe a laboratory procedure researchers used to quantify photosynthetic efficiency.
7. Describe a field procedure researchers use to quantify photosynthetic efficiency.
9. The article talks about the potential "saturation" of carbon dioxide in the atmosphere. Describe what that will mean as it relates to ecological photosynthetic rates.
Article name: New Research Shows Plants Are Photosynthesizing More in Response to More CO2 in the Atmosphere
BY LAWRENCE BERKELEY NATIONAL LABORATORY DECEMBER 17, 2021
Answers
Article states that "plants take up carbon dioxide from atmosphere and convert it into food."
Explain how article supports the law of the conservation of matter?1.This supports the law of conservation of matter, which states that matter cannot be created or destroyed, and can only be transformed from one form to another. In this case, carbon dioxide in atmosphere is transformed into organic matter in form of plant tissue.
2. According to the article, new research shows that plants are photosynthesizing 5% more in response to increased levels of CO2 in atmosphere.
3.The article states that 5% increase in photosynthetic rate translates to additional 5 billion tons of carbon being removed from atmosphere each year.
4.Article suggests that increase in photosynthetic efficiency may be a result of plants having more CO2 available to them, which stimulates photosynthesis.
5.Laboratory procedure used to quantify photosynthetic efficiency involves measuring amount of chlorophyll fluorescence emitted by plant. This fluorescence provides a measure of amount of light energy absorbed by plant during photosynthesis.
6. Field procedure used to quantify photosynthetic efficiency involves measuring amount of carbon dioxide taken up by plant during photosynthesis. This is done by placing plant in sealed chamber and measuring change in carbon dioxide concentration over time.
7.The article suggests that potential "saturation" of carbon dioxide in the atmosphere could lead to a leveling off of increased photosynthetic rates observed in plants.
9.The potential "saturation" of carbon dioxide in atmosphere refers to point at which plants would no longer be able to increase photosynthetic rates in response to higher levels of atmospheric CO2. If ecological photosynthetic rates were to reach saturation, it would mean that plants would no longer be able to remove more carbon dioxide from atmosphere through photosynthesis.
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Air flowing from Alaska and the North Pacific push ocean waters, but instead of flowing directly south, they flow to the west. Why is that?
•Because of ocean currents
•Because of ocean tides
•Because of the rotation of the Earth
•Because of the marine life living in the ocean
Answers
Organic compounds are used as buildings?
Answers
Explanation:
your answer is true, organic compounds are used as buildings
HELPP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
In the cells of humans and other animals, a great deal of energy is dedicated to operating a pump that transports sodium (Na+) ions out of cells and potassium (K+) ions into cells. This transport creates a chemical and electrical gradient. Maintaining the proper balance of sodium and potassium is critical to ensuring that nerve cells work properly. Nerve cells drive muscle contractions—including heart muscles—and are responsible for animals’ abilities to sense their environment and for humans’ ability to think.
Scientists gain a better understanding of the sodium-potassium pump by creating models of what the pump accomplishes. Such models are used to examine many other complex processes as well.
This model of the sodium-potassium pump illustrates the process by which sodium is pumped out of cells and potassium is pumped in. The sodium-potassium pump moves the two different ions in opposite directions.
Where in a cell does this transport process take place?
A.
nucleus
B.
cell wall
C.
cell membrane
D.
vesicle
Answers
The Transport process takes place in cell membrane.
What is Transport?Cell transport describes the transportation of a material across a cell membrane. The chemical has the ability to enter or exit cells.
The plasma membrane and cell membrane are both permeable to different substances. The nature of the plasma membrane is quite selective.
Cell transport is very important for transport of molecules. There are two transport of cell transport of endocytosis and exocytosis.
Therefore, The Transport process takes place in cell membrane.
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Draw and label the structure of a neuron.
Answers
The nervous system's basic unit is a neuron. The cell body, dendrites, and axon make it up.
Cell Body (Soma): The cell body contains the nucleus and other neuron-essential components. It integrates and sends dendritic signals.
Dendrites: These branches receive input from other neurons or sensory receptors. They receive neuronal impulses as key input locations.
Axon: The long, thin axon conducts electrical signals from the cell body. The fatty myelin coating insulates and transmits signals. Axon terminals or synaptic terminals connect with other neurons or target cells through synapses.
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Base your answers to questions 1 through 3 on the diagram below and on your knowledge
of Earth science. The diagram represents the expansion of a portion of the universe from its
origin until the present. The timeline represents billions of years. Letter X indicates two
celestial objects.
Timeline (billion years ago)
Present T
5-
10-
Origin of
Universe
15-
1. Two pieces of evidence that support the theory that the universe is expanding are the
A) red shift of light from distant stars and the existence of nuclear fusion
B) red shift of light from distant stars and the existence of cosmic background
radiation
C) blue shift of light from distant stars and the existence of nuclear fusion
D) blue shift of light from distant stars and the existence of cosmic background
radiation
polestial objects labeled X are
Answers
The two pieces of evidence that support the theory of the expanding universe are the red shift of light from distant stars and the existence of cosmic background radiation.
The correct answer is option B.
1. Red shift of light from distant stars: The observation of redshift in the light coming from distant galaxies provides evidence for the expansion of the universe. Redshift occurs when the light waves from an object moving away from an observer are stretched, causing a shift towards longer wavelengths. This phenomenon is consistent with the Doppler effect, where the wavelength of light appears to stretch as the source moves away. The redshift of light from distant stars indicates that galaxies are moving away from us and from each other, supporting the idea that the universe is expanding.
2. Existence of cosmic background radiation: The discovery of cosmic background radiation further supports the theory of the expanding universe. Cosmic background radiation is a faint, uniform microwave radiation that permeates the entire universe. It is believed to be residual radiation from the Big Bang, the initial event that is thought to have initiated the expansion of the universe. The presence of cosmic background radiation provides strong evidence for the hot, dense early stages of the universe and its subsequent expansion.
Based on the information provided in the diagram, it is not possible to determine the identity or nature of the celestial objects labeled X. The diagram only represents the expansion of the universe over time and does not provide specific details about individual celestial objects.
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The overall efficiency of oxidative phosphorylation, assuming standard conditions, can be calculated by comparing the free energy potentially available from the oxidation of NADH by O2 to the free energy required to synthesize 2.5 ATP from 2.5 ADP. This comparison reveals an efficiency of 35%, which is based on the experimental measurement of 2.5 ATP for every NADH oxidized during oxidative phosphorylation. Using this efficiency, calculate the number of ATP generated by each of the following Complexes:
Answers
Answer:
The number of ATPs produced wheh efficiency is 100% is 71.42 ATP.
Explanation:
It is known that at the end of Kreb's cycle 10 NADH are produced
Now by using the unitary method
1 NADH produces=2.5 ATP
10 NADH produces=2.5 ATP x 10
10 NADH produces=25 ATP
This is for the efficiency of 35%.
35% efficiency produces ATPS=25
1% efficiency produced ATP=\(\dfrac{25}{35}\)
100% efficiency produced ATP=\(\dfrac{25}{35}\times 100\)
100% efficiency produced ATP=71.42 ATP
The number of ATPs produced wheh efficiency is 100% is 71.42 ATP.
PLZ HELP ASAP!!!
Which stage in the life cycle of a plant is represented in this picture?
Answers
Answer:
Pine tree life-cycle Explanation: The pine cone goes from closed to open to spread the seeds inside, making more trees and those trees growing pine cones. continuing thee cycle.
Explanation: It is in the adult plant
Evolutionary tracing has identified clusters of the most invariant amino acids in the SH2 domain family. Which of the following is true regarding these sites?
a) Mutation in these sites generally keeps the protein functional.
b) The invariant amino acids generally have negatively charged side chains.
c) These sites correspond to the binding site for peptides containing phosphorylated tyrosine.
d) The amino acids at these sites are generally hydrophobic.
e) These sites have evolved fast because they have critical functions.
Answers
Option c is Correct. The SH2 domain family contains clusters of the most invariant amino acids, according to evolutionary tracing. If the following is true about these sites, then they are the binding sites for peptides containing phosphorylated tyrosine.
A missense mutation is a Genetic alteration that causes the protein produced to encode a different amino acid at a specific location. Certain missense mutations change how the resulting protein functions. The protein could stop functioning entirely, start functioning more, or start functioning less.
Because codons alter, messenger RNA may no longer be translated. Helixes and pleated sheets are the two most typical forms of secondary structures. Hydrogen bonds that occur between the carbonyl O of one amino acid hold both structures together.
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Parallel Flow
Which filter regions have a concentration gradient
between the blood and dialysate?
Check all that apply.
1
11
IN
V
Submit
Answers
The filter regions that have concentration gradients between the blood and dialysate are ; ( I and II ).
The filter regions ( I and II ) both have concentration gradients because of the concentration difference between the Urea contained in the blood and the Urea concentration found in dialysis
The difference in concentration gradients of the filter regions between the blood and dialysate leads to the diffusion of Urea in blood into the dialysis fluid with a lower concentration of Urea.
Hence we can conclude that The filter regions that have concentration gradients between the blood and dialysate are ; ( I and II ).
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Although some data related to your question is missing attached below is the missing data
Carlton and Vanessa are lab partners in their biology class. One of their labs was to run the smell test experiment on each other.
When performing the smell test, Vanessa was quite good at noticing a difference between the various intensities of vanilla and also
the various intensities of evergreen. Although Carlton could distinguish what the vanilla and evergreen smells were, he couldn't tell
there was a difference in the intensities in the vanilla or the evergreen. Based on the information presented in this scenario, which
of the following is true?
Vanessa has a more sensitive difference threshold than Carlton.
Carlton has an impaired absolute threshold.
Vanessa has a better absolute threshold than Carlton.
Carlton has the superior performance with respect to the difference threshold.
Vanessa has an impaired absolute threshold.
Answers
Vanessa has a better absolute threshold and more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
Carlton and Vanessa were lab partners for a biology class and were asked to run a smell test experiment on each other.
Vanessa was excellent at noticing the difference between various intensities of vanilla and evergreen.
Carlton, on the other hand, couldn't distinguish the difference in the intensities of both vanilla and evergreen, though he could tell the smells of both.
Hence, based on the information provided in the scenario, it can be inferred that Vanessa has a more sensitive difference threshold than Carlton, and Carlton has an impaired absolute threshold.
The two significant aspects that are involved in the scenario are absolute threshold and difference threshold.
The absolute threshold is the smallest quantity of a stimulus that an individual can detect, whereas the difference threshold is the minimum difference in stimuli that an individual can detect.
Carlton could recognize the stimuli's smell but not the difference in the intensity of vanilla and evergreen.
This shows that Carlton has an impaired absolute threshold.
He could not detect the smallest quantity of a stimulus to differentiate between the smells.
Vanessa was quite good at noticing the difference in the intensities of vanilla and evergreen.
This means that Vanessa has a more sensitive difference threshold than Carlton. She could detect the minimum difference in stimuli required to differentiate between smells.
Vanessa also has a better absolute threshold than Carlton as she could detect the smallest quantity of stimulus required to detect the smells.
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Which of the following statements is true?A. An isolated system cannot exchange either matter or energy with its surroundings. B. Organisms are open systems when they are out of their habitats. C. Organisms are isolated systems because they have their own machineries in the cells to supply all the matter and energy they need. D. Open systems are called as such because they do not absorb energy, but just openly release the energy to their surroundings.
Answers
Answer:
A
Explanation:
An isolated system can NOT exchange energy or matter with it's surroundings. This is why it is isolated.