Which of the following is true of tetrapyrrole biosynthesis?
A) It is regulated by nutritional and environmental needs.
B) It is regulated by riboswitches.
C) It is energetically expensive and therefore it only occurs when it is needed.
D) All of the above.
E) None of the above.

Question

Quizplus · Accepted Answer

Tetrapyrrole biosynthesis is indeed regulated by nutritional and environmental needs, involves regulation by riboswitches, and is energetically expensive, making it a process that the cell undertakes only when necessary. All these factors contribute to the tight regulation of this pathway, ensuring that resources are not wasted and that tetrapyrroles are synthesized according to the cell's requirements.

Which of the Following Is True of Tetrapyrrole Biosynthesis