Protein expression refers to the way in which proteins are synthesized, modified and regulated in living organisms.
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Answer:
C, there is genetic variation within the population
Explanation:
I think it is (b) i have studied this before. ( =
Answer:
Es cuando los restos orgánicos son cubiertos por el suelo y con el tiempo se degradan
dejando vasios en la roca que los confinan natural mente