Question

3a. Carbon flux through the glyoxylate shunt or the TCA cycle is controlled by altering the activity of the enzyme isocitrate dehydrogenase (Icd). Please explain how this control occurs. 3b. Scientists have stated that this type of control carbon flux ultimately saves the cell energy because carbon flux control occurs at the level of the enzyme and not at the level of transcription/translation. Why do you think that this statement is true? 3c. A number of molecules ultimately effect the activity of Icd. Please list these molecules and explain hypothesize why evolution chose these molecule to effect isd activity to control flux through the TCA cycle and glyoxylate shunt.

          3a. Carbon flux through the glyoxylate shunt or the TCA cycle is controlled by altering the activity of the enzyme isocitrate dehydrogenase (Icd). Please explain how this control occurs.

3b. Scientists have stated that this type of control carbon flux ultimately saves the cell energy because carbon flux control occurs at the level of the enzyme and not at the level of transcription/translation. Why do you think that this statement is true?

3c. A number of molecules ultimately effect the activity of Icd. Please list these molecules and explain hypothesize why evolution chose these molecule to effect isd activity to control flux through the TCA cycle and glyoxylate shunt.

3a. Carbon flux through the glyoxylate shunt or the TCA cycle is controlled by altering the activity of the enzyme isocitrate dehydrogenase (Icd). Please explain how this control occurs.

3b. Scientists have stated that this type of control carbon flux ultimately saves the cell energy because carbon flux control occurs at the level of the enzyme and not at the level of transcription/translation. Why do you think that this statement is true?

3c. A number of molecules ultimately effect the activity of Icd. Please list these molecules and explain hypothesize why evolution chose these molecule to effect isd activity to control flux through the TCA cycle and glyoxylate shunt.

Added by Robert S.

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