structure of trp operon

Question 1

what does the trp operon consist of?

Answer 1

• control elements
• 5 structural genes which code for enzymes that catalyse the synthesis of tryptophan

Question 2

what is tryptophan?

Answer 2

• it is an AA which is essential for protein synthesis

Question 3

what happens when there is an accumulation of tryptophan in the bacterium?

Answer 3

• it will repress the synthesis of enzymes that catalyse the synthesis of tryptophan, in order to conserve energy & raw materials

Question 4

does the trp operon have an activator binding site?

Answer 4

• NO!!