Which of the following statements is true about vaccines? A. Vaccines only work against bacterial disease
B. Vaccines work infecting someone with a dangerous disease
C. Vaccines are yet to be proven safe by scientists.
D. Vaccines work by teaching the bodies immune system to fight off disease

D. A.

Explanation:

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That's the answer too D. A.

answer; ///(statins)/aka as hmg coa

a scenario where a cell may be needed to perform a form of endocytosis is when transporting large molecules. a scenario where a cell may be needed to perform a form of exocytosis is when releasing the large molecule from the cell.