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antiseptic1488 [7]
3 years ago
9

Once equilibrium is reached, __________.a. molecules move, but there is no net movement in a particular direction. b. passive tr

ansport starts over to create a concentration gradient. c. the membrane permits all molecules to freely move across the membrane. d. molecules no longer move.
Biology
1 answer:
SCORPION-xisa [38]3 years ago
7 0

Answer: molecules move, but there is no net movement in a particular direction.

Option A is correct.

Explanation:

When equilibrium is reached, particles of a solution will continue to move across the membrane in both directions. However, because almost equal numbers of particles move in each direction, there is no further change in concentration. Equilibrium is reached in a system when the concentration of a solute is equal on both sides of the membrane.

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A. The cold cream will drop to the bottom of the cup. When it warms, some of it will rise back to the surface.

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3 years ago
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From a physiological standpoint, the best breathing technique requires the lifter to inhale when lowering the weight and exhale
meriva

Answer:

True.

Explanation:

Respiration may be defined as the process of exchange of the oxygen and carbon dioxide between the body and the environment. The gaseous exchange depends on the partial pressure of the gases.

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Thus, the answer is true.

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4 years ago
"persistent preoccupation with one's health despite consistent medical evaluations showing no organic problems" is a definition
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Answer:  " <span>Illness Anxiety Disorder " .
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3 0
3 years ago
During glycolysis, a 6-carbon sugar diphosphate molecule is split into two 3-carbon sugar phosphate molecules. True or false?.
Hatshy [7]

The above statement is true. During glycolysis, a 6-carbon sugar diphosphate that is fructose-1,6-bisphosphate is splitted into two 3 carbon sugar phosphate molecules that are dihydroxyacetone phosphate and glyceraldehyde-3-phosphate.

<h2>What is glycolysis? </h2>

Glycolysis is a 10-step reaction wherein glucose is divided into two pyruvate molecules, each of which has three carbons.

Glycolysis is the initial step in the process of cellular respiration in organisms. However, many anaerobic organisms also contain this route since glycolysis does not require oxygen.

<h2>What are the various steps involved in glycolysis? </h2>

1. The conversion of D-glucose into glucose-6-phosphate is the initial step in the glycolysis process. The enzyme catalyst in this case is hexokinase.

2.This second phase involves the conversion of fructose 6-phosphate  from glucose 6-phosphate.

3. Using magnesium as a cofactor, fructose 6-phosphate is changed into fructose 1,6-bisphosphate.

4. Fructose 1, 6-bisphosphate is split into two identical sugars by the enzyme aldolase. Dihydroxyacetone phosphate (DHAP) and glyceraldehyde 3-phosphate are the names of these two sugars.

5.The molecules glyceraldehyde 3-phosphate and dihydroxyacetone phosphate (DHAP) are quickly interconverted by the enzyme triphosphate isomerase.

The first five steps listed above are regarded as the initial phase.

6.Glyceraldehyde-3-phosphate dehydrogenase (GAPDH) converts glyceraldehyde 3-phosphate into 1,3-bisphosphoglycerate by dehydrating it and adding an inorganic phosphate.

7. To create ATP and 3-phosphoglycerate, a phosphate group from 1,3-bisphosphoglycerate is transferred to ADP.

8. In this step, Phosphorous from 3-phosphoglycerate is transferred from the third carbon to the second carbon to generate 2-phosphoglycerate.

9. An enzyme removes a water molecule from 2-phosphoglycerate to create phosphoenolpyruvic acid (PEP).

10. Phosphoenol pyruvic acid is converted to pyruvate.

To know more about glycolysis visit:

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4 0
2 years ago
What is the difference between a simple carbohydrate and complex carbohydrate?
KengaRu [80]
The difference is in their chemical structure. Simple carbohydrates have a simpler molecular form, and as such are super easy to digest and fairly quick form of energy. Sucrose and Fructose are examples of such simple carbohydrates
 
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3 years ago
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