During the first meiotic division
A. homologous chromosome pairs separate.
B. the cell becomes diploid.
C. sperm and egg form.
D. homologous chromosome pairs join.
Answer: A
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Which of the following is an example of catabolism?
A) The breakdown of glucose in the cytoplasm and mitochondria B) The increase in muscle tissue with exercise C) The formation of secretory proteins in the pancreas D) The assembly of the cell membrane from precursor molecules
The diameter of bronchioles can change because their walls contain ________.
A. smooth muscle B. hyaline cartilage C. elastic cartilage D. fibrous cartilage E. skeletal muscle
The brain stops enlarging and the cranial sutures ossify by age
A) 3. B) 2. C) 5. D) 1. E) 4.
Which is TRUE about fat-soluble vitamins?
A. They must be digested to fatty acids and monoglyceride before being absorbed. B. Examples include vitamins A, B12, and D. C. Their normal absorption depends on normal secretion of bile salts. D. They are absorbed into GI capillaries and travel immediately to the liver in the hepatic portal vein, for storage. E. They don't need to be ingested because the body can manufacture all of them in sufficient quantities.