I think the answer is B
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it is B cells produce antibodies and T cells destroy infected cells
Answer:
C. The factor in an experiment that is deliberately kept the same.
Explanation:
independent variables are variables that aren't changing they stay the same.
Answer:
Replication would not occur on either the leading or lagging strand.
Explanation:
In DNA replication in E. coli, the enzyme primase is used to attach a 5 to 10 base ribonucleotide strand complementary to the parental DNA strand. The RNA strand serves as a starting point for the DNA polymerase that replicates the DNA. If a mutation occurred in the primase gene, replication would not occur on either the leading or lagging strand.