The answer is A, a cell wall
Answer:
the abiogenesis theory helps us understand
Explanation:
They are composed of proteins. I cannot see the options but hopefully that answer is in one of them
Answer:
Polymerase chain reaction, or PCR, is a laboratory technique used to make multiple copies of a segment of DNA. PCR is very precise and can be used to amplify, or copy, a specific DNA target from a mixture of DNA molecules.
Explanation:
