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snow_tiger [21]
2 years ago
14

How does fructose-2,6-bisphosphate play a role as allosteric effector in the reactions of carbohydrate metabolism?

Biology
1 answer:
creativ13 [48]2 years ago
6 0

An allosteric effector in glycolysis and gluconeogenesis is fructose-2,6-bisphosphate. It stimulates phosphofructokinase during glycolysis. It prevents fructose bisphosphate phosphatase from working during gluconeogenesis.

Insulin prevented glucagon from inhibiting hepatocyte 6-phosphofructo-1-kinase when the enzyme was tested in crude extracts. After the removal of allosteric effectors from the enzyme, neither hormone had any effects, indicating that the changes in activity may be brought on by changes in the concentration of fructose 2,6-bisphosphate, a strong allosteric activator of the enzyme. Exogenous cyclic AMP and glucagon both worked against insulin to reduce fructose 2,6-bisphosphate levels.

Learn more about Allosteric effector here-

brainly.com/question/13163572

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Earth revolves around the sun, keeping doldrums stationary causes the doldrums to be calm winds. Thus, the correct option is C.

<h3>Why are the doldrums so calm?</h3>

The Intertropical Convergence Zone, also known as the doldrums or calms by sailors due to its constant lack of wind, is the area where the northeast and southeast trade winds meet. It encircles the Earth near the thermal equator, however its exact location changes with the seasons.

The sunlight beams down directly on the area around the equator, the Doldrums are caused by solar radiation from the sun. Instead of blowing horizontally, this heating causes the air to warm and climb straight up. As a result, there is little or no wind for weeks at a time.

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