Chemical energy through the process of photosynthesis.
Answer: C
Explanation:
For example, in trp-operon, an abundance of tryptophan. coli inhibits the expression trp-operon genes.
Trp operon is a negative repressible feedback mechanism
trpR gene is expressed continually at a low level
Answer:
Those types include recreational, transport, agricultural, residential, and commercial.
Explanation:
Answer: possibly A
Explanation: B an C are not it because they are more like mutations. D humans don’t always become immune.
