Answer:
COAL
Explanation:
I GOT IT RIGHT
Two receptors bind to a same chemical messenger, but the concentration of this chemical messenger required to reach a certain number of bound messengers for one receptor is twice as great as the concentration for the other receptor. Thus, these two receptors have same ________, but different ________, to this chemical messenger
Answer:
binding specificity; affinity
Explanation:
Receptor binding specificity can be defined as the selectivity of a receptor to bind with a particular chemical messenger. Binding specificity is determined by the interaction between the chemical messenger and its specific receptor, as well as the binding site three-dimensional (3D) structure of both. This concept is contrary to receptor promiscuity, where a receptor can bind to many different chemical messengers. On the other hand, binding affinity can be defined as the overall affinity or avidity of binding. The binding affinity is determined by the accumulated strength of individual attractive forces between a chemical messenger (ligand) and its receptor.
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What is the relationship between anabolism and catabolism?
Choose 1 answer:
(Choice A) A Anabolism and catabolism are identical processes.
(Choice B) B Anabolism builds molecules using the energy produced during catabolism.
(Choice C) C The breakdown of molecules in anabolism provides energy for catabolism.
(Choice D) D Catabolism synthesizes large molecules that are destroyed by anabolism.
Answer:
(Choice B) B Anabolism builds molecules using the energy produced during catabolism.
Q4: Describe how crossing over can lead to new variations in genes.
Answer:
Crossing-over is the exchange of genetic material between homologous chromosomes. It results in new combinations of genes on each chromosome. When cells divide during meiosis, homologous chromosomes are randomly distributed to daughter cells, and different chromosomes segregate independently of each other.
Explanation:
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Answer:
50 percent is the anwer.
If modern organisms have a lot of homologous structures, what inference
might paleontologists make about those organisms?
They are reptiles
The organisms have a common ancestor.
One organism evolved from the other
Answer:
The organisms have a common ancestor
Explanation:
Homologues structyres conclude that organisms of different species share structures, making them all have some sort of common ancestor
What changes accompany cell determination? HINT: It's not A.
A. changes from determinate to indeterminate pathways
B. molecular changes, such as expression of certain genes for tissue-specific proteins
C. changes in zona pellucida after binding of sperm to egg plasma membrane
Answer:
B)
Explanation:
changes from determination to interminate pathways molecular changes such as expression of certain genes for tissue specific protein.
Species with ___ genetic variation are ____ likely to survive?
A. More, less
B. Less,less
C. More,more
D.less, more
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Directions: Drag the nitrogenous bases to the correct locations on the image. Each base can be used more than once, but not all bases must be used. A section of a DNA molecule is shown in the diagram below, but only one strand is complete. Add the correct nitrogenous bases to the molecule to form two complementary DNA strands. C T G U А TG CTC A G A C Reset Next Question
Answer:
DNA strand: TGCTCAGAC
Complementary DNA strand: ACGAGTCTG
Explanation:
Deoxyribonucleic acid (DNA) is a molecule consisting of two strands, where each strand is composed of a linear sequence of nucleotides (polynucleotide chain). Each DNA nucleotide is composed of 1-a deoxyribose sugar, 2-a phosphate group, and 3-a nitrogenous base. In DNA, there are four types of nitrogenous bases: Adenine (A), Guanine (G), Thymine, and Cytosine (C). These nucleotides are held together by hydrogen bonds in order to form the DNA double helix. By base pairing, G always pairs with C, and T always pairs with A, thereby the amount of G is equal to C and the amount of T is equal to A. In the RNA, T bases are replaced by Uracil (U) bases.
How does photosynthesis and cellular respiration compare to each other
Answer:
Photosynthesis takes place in the chloroplasts of cells. While photosynthesis requires energy and produces food, cellular respiration breaks down food and releases energy. Plants perform both photosynthesis and respiration, while animals can only perform respiration.
Explanation:
Aubrey uses the following formula to calculate a required value. Which elements of the formula use mixed cell referencing?
Answer:
TBH $1
Explanation:
Answer:
$1A
Explanation:
PLATO
rain results when water from the atmosphere condenses
Answer:
If it is true or false, that would be true.
Answer:
true
Explanation:
please I need help on it
Answer:
c) Symbiosis.........
Explain why global efforts are being made to mass vaccinate populations and the importance of herd immunity in wiping out disease nationally and globally?
Some caves are created when water dissolves limestone below ground. Which part of the water cycle is most responsible for the formation of caves?
Answer:
Condensation is crucial to the water cycle because it is responsible for the formation of clouds. These clouds may produce precipitation, which is the primary route for water to return to the Earth's surface within the water cycle. Condensation is the opposite of evaporation.
Explanation:
Gas exchange involves the transport of two respiratory gases, oxygen and carbon dioxide. Match each statement into the appropriate items whether it applies to oxygen only, carbon dioxide only, or both oxygen and carbon dioxide.
a. Net diffusion from alveoli capillaries
b. Waste product of cellular respiration
c. Sometimes transported as bicarbonate
d. Net diffusion from lung capillaries to alveoli
e. Net diffusion from body tissues blood
f. Enters alveoli during inhalation
g. Required for cellular respiration
h. Transported by hemoglobin
Answer:
a. both oxygen and carbon dioxide
b. carbon dioxide only
c. carbon dioxide only
d. oxygen only
e. carbon dioxide only
f. oxygen only
g. oxygen only
h. oxygen only
Explanation:
This question is describing the gaseous exchange of carbon dioxide and oxygen that occurs during cellular respiration. The gaseous exchange occurs via a structure called ALVEOLI OR AIR SAC.
According to this question, the following statements in the question will be matched with whether it applies to oxygen only, carbon dioxide only, or both oxygen and carbon dioxide:
a. Both oxygen and carbon dioxide are diffused through the alveoli capillaries.
b. Carbon dioxide is the waste product of cellular respiration (excreted via the lungs).
c. Carbon dioxide have the ability to form carbonates (CO3²-) and are sometimes transported in that form.
d. Oxygen from the lungs diffuse into the alveoli during inhalation.
e. Carbon dioxide from the body tissues are carried by the blood into the alveoli in order to be transported out of the body.
f. Inhalation is the taking in of air (oxygen-containing). Hence, oxygen only enters alveoli during inhalation.
g. Oxygen is the necessary substance needed by cells in order to perform cellular respiration (aerobic).
h. Haemoglobin is an iron-based protein present in the blood cells. It possess affinity for oxygen and carries oxygen in the blood.
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1. Explain the advantages of compartmentalization in eukaryotic cells.
2. Explain how the nucleus controls protein synthesis in the cytoplasm.
3. List the components of the endomembrane system, and describe the structure and
functions of each component.
4. Describe the pathway of a newly synthesized protein through the endomembrane system
before is secreted out of the cell. What organelles will the protein visit?
5. Explain the biological/physiological relevance of mitochondrial cristae and chloroplast
thylakoids.
6. Describe the evidence that mitochondria and chloroplast are semiautonomous organelles.
7. Explain the mechanism by which microtubules transport vesicles through the cell.
8. Describe the basic structure of the plant cell wall and its function. Discuss the biological
relevance of plasmodesmata.
9. Compare and contrast the role of phospholipids and cholesterol in cell membrane
structure and function.
.0. Define diffusion. Explain why diffusion is a spontaneous process.
.1. Compare and contrast the role of transport proteins and receptor protein in cell
membrane function.
2. Define membrane potential and electrochemical gradient
3. Explain how endocytosis and exocytosis contribute to plasma membrane recycling.
4. Distinguish among osmosis, facilitated diffusion, and active transport.
15. Imagine that you can attach a molecular flag in the membranes of the rough endoplasmic
reticulum (RER). Where would you expect to find such flag if vesicles formed in the RER
deliver their content outside of the cell?
Answer:
Explanation:
⁰2
TRUE OR FALSE Nephrons located in the renal cortex and renal medulla.
The correct answer is true.
PLEASE ANSWER ASAP DUE IN 1 MIN!!!!!!!!!!!!!!!!!!!!!!
In a certain breed of cow the gene for red fur, R, is codominant with that of white fur, W.What would they be if you breed a red & white cow with a red & white bull?
A. G: 100% RW P:red and white cow
B. G:25 % RR 75% RW P: red
C. G:25% RR, 25% WW, 50% RW P: 1 red cow, 2 red and white cows, 1 white cow
D. G: 50% RR, 50% Rr P: all red cows
Answer:
D. G: 50% RR, 50% Rr P: all red cows
Explanation:
Nitrogen is important for creating both protein and carbohydrates.
True
False
Answer: This is true.
Earth has five layers based on physical characteristics. The diagram below shows these
five layers. Which letter represents the asthenosphere, the soft layer on which the
tectonic plates move?
What is the role of vascular tissue in plants that contributes to photosynthesis?
A. covering plant like a skin
B. transporting water and nutrients
C. . producing and storing food
D. gathering the energy from sunlight
Answer:
✧ [tex] \boxed{ \boxed{ \underline{ \text{Transporting \: water \: and \: minerals}}}}[/tex]
Explanation:
➛ The vascular tissues includes xylem & phloem .
Function of xylem :
It conducts the flow of water and minerals from the root to the leaves.Function of phloem :
It transports food from leaves to different parts of plants.Thus , 'Transporting water and minerals ' would be the correct answer.
Hope I helped ! ♡
Have a wonderful day / night ! ツ
❀ [tex] \underline{ \underline{ \mathfrak{Carry \: On \: Learning}}}[/tex] !! ✎
Answer:
B. transporting water and nutrients and water
___ fill with the blood returning to the heart
Answer:
Im pretty sure its A
Explanation:
What molecule are we testing for to determine if the milk was properly digested?
Question 11 options:
galactose
lactase
glucose
lactose
Answer:
A lactose tolerance test measures how well your body can process lactose, a type of sugar found in dairy products. Normally, the body is able to process milk and other dairy products thanks to an enzyme in the intestines called lactase, which breaks down lactose during digestion.
Explanation:
D is the answer Lactose
Identify Complete the figure by writing the location of each stage of cellular respiration
Answer: 1. Glycolysis takes place in the cytoplasm of both prokaryotic and eukaryotic cells. 2. mitochondrial matrix. 3. mitochondria
Explanation:
The digestive system converts proteins into smaller molecules called .
A. Amino acids
B. Vitamins
C.Fatty acids
Answer: A: Amino acids
Explanation: I took advanced biology 1, 2, and 3
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Answer:
Nitrogen- C
Deoxyribonucleic Acid or other 5 carbon sugar- B
Phosphate Group- A
Explanation:
Answer: C, B, A
Explanation:
Name one sign a plant is deficient in nitrate
Answer:
the leaves will turn a pale green or yellow color
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The _________________________ are responsible for packaging and distributing the materials in a cell. * Fill in the blank(s) with the correct answer.