I think this would be the environment. That's my guess
Answer:
A is the substrate and B is the protein
Explanation:
Substrate: thing that is the initial part of a protein reaction
B is the thing that MODIFIES the substrate, the protein.
Rna is a cells singal identity, while dna defines a person. Tell me if i am incorect
Answer
Yes because a organ will survive longer than a heart
Explanation:
because i am smart
