Given a scientific question and its correct answer, generate supporting facts for the answer. This supporting fact can be an explanation for the answer to the given question.

Question: What are the active transport mechanisms by which molecules enter and leave the cell inside vesicles? Answer: endocytosis and exocytosis
Endocytosis and exocytosis are active transport mechanisms in which large molecules enter and leave the cell inside vesicles.

Question: What is the most common type of cancer in adult males? Answer: prostate
The most common type of cancer in adult males is cancer of the prostate gland. The prostate gland is part of the male reproductive system. About one third of all cancers in men are prostate cancers.

Question: Phosphate groups are found within phospholipids and what else? Answer: nucleotides

Phosphate groups are found within phospholipids and nucleotides.

