MCAT Biology Question 161: Answer and Explanation

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Question: 161

11. Red bone marrow is involved in erythrocyte formation. In contrast, yellow bone marrow:

  • A. is involved in leukocyte formation.
  • B. is responsible for drainage of lymph.
  • C. causes the formation of spicules.
  • D. contains predominantly adipose tissue.

Correct Answer: D

Explanation:

Yellow marrow is largely inactive and is infiltrated by adipose tissue, making choice (D) the correct answer.

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