Answer:
i think C
Explanation:
Natural selection is the process where organisms better adapted to their environment tend to survive and produce more offspring.
Positron Emission Tomography scan of the brain of cocaine addicts showed that the drug affects how the brain use glucose. Cocaine users' brain cannot use glucose efficiently and there are also reduced metabolic activity in other areas of the brain.
Answer:
A
Explanation:
Mutations can occur in either cell type. If a gene is altered in a germ cell, the mutation is termed a germinal mutation. Because germ cells give rise to gametes, some gamete s will carry the mutation and it will be passed on to the next generation when the individual successfully mates.
RNA polymerase can't bind on the promoter region, so no transcription takes place, consequently, no protein translation.
The answer to your question is dna replication.
