a. vitamins.
b. everyday.
I'm not 100% sure on b. but a. has to be vitamins.
Answer: The peptide sequence that is essential for protein insertion, orientation in membrane and for travelling into particular organelle is called a topogenics.
Explanation: Integral membrane proteins are found in all cellular membranes and carry out many of the functions that are essential to life. The membrane-embedded domains of integral membrane proteins are structurally quite simple, allowing the use of various prediction methods and biochemical methods to obtain structural information about membrane proteins.
Im honestly not sure but id say A: ARTIFICIAL SELECTION........ hope i helped.
