Tryptophan self-controls its synthesis. If we have a large amount of tryptophan in the sense that it exceeds, tryptophan would act as a co-repressor which prevents synthesis of more enzymes for its production. Hope this answers the question.
The steps get More specific
Answer: A
Explanation:
it’s a hands free device that prevents water being wasted
D the cell mitochondria utilize cellular respiration to generate glucose that gives the flagella energy to move
