A lack of vitamin C in the diet results in which of the following?
A. Abnormally loose collagen fibers, loose joints, and stretchy skin
B. A mutation in the gene for collagen
C. Decreased production of the amino acids proline and lysine leading to weak collagen
D. Atrophy of skeletal muscle tissue
E. A mutation in the gene for elastin
Answer: C
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Aged erythrocytes are phagocytized in the liver and spleen by cells called ________________
Fill in the blank with correct word.
The hepatorenal recess (Morison pouch):
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An enlarged thyroid is called a(n) ____________________
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