Acetyl CoA is a feed forward activator of the enzyme <u> pyruvate carboxylase</u> ensuring sufficient oxaloacetate for the citric acid cycle to continue.
<h3>Why does acetyl-CoA stimulate pyruvate carboxylase?</h3>
Acetyl-CoA selectively activates pyruvate carboxylase. When acetyl-CoA concentrations are high, organisms use pyruvate carboxylase to divert pyruvate from the TCA cycle because acetyl-CoA is a crucial metabolite in the TCA cycle that generates a lot of energy. The production of more oxaloacetate is triggered by an excess of mitochondrial acetyl-CoA.
Acetyl coenzyme A, often known as acetyl-CoA, is a crucial component in metabolism and is involved in numerous metabolic processes. Its major job is to transport the acetyl group's carbon atoms to the Krebs cycle, where they can be oxidized to produce energy. When there is an abundance of acetyl CoA available, the mitochondrial enzyme pyruvate carboxylase (PC) catalyzes the conversion of pyruvate to oxaloacetate.
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Answer: A. is a measure of energy
Explanation:
Heat is one of the easiest forms of energy that man can detect in your environment because we have the sensation of cold, hot, sweat, drink liquids when we feel hot, see the engine of a car heat up, take a bath of water heated by an electric shower or a boiler, etc.
Heat transfer occurs until the moment bodies reach the same temperature (thermal equilibrium). Heat is the energy transferred between a system and its surroundings because of the differences in temperatures.
Answer:
I think its chemical energy is not required because passive transport doesn't need energy at all
