The obligatory water loss needed to excrete metabolic wastes is ________ per day.
A. 400 mL
B. 800 mL
C. 600 mL
D. 300 mL
Answer: A
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Which of the following shows the correct sequence of mitosis?
A. Prophase - anaphase - metaphase - telophase B. Metaphase - telophase - anaphase - prophase C. Metaphase - prophase - anaphase - telophase D. Prophase - metaphase - anaphase - telophase E. Telophase - metaphase - prophase - anaphase
During the process of endochondral ossification, chondrocytes in the cartilage model die. Why does this occur?
A. Canaliculi connecting adjacent chondrocyte lacunae fuse. B. Nutrients cannot diffuse to the chondrocytes through the calcified matrix. C. Blood supply to the cartilage is cut off by the developing periosteum. D. Phagocytic osteoclasts in the new bone engulf and destroy the chondrocytes. E. The developing bone collar secretes enzymes that destroy the chondrocytes.
Most of the hormonal effects on female accessory sex organs and secondary sex characteristics are attributable to progesterone
Indicate whether the statement is true or false.
All of the following classes of hormones are secreted by the adrenal cortex except
A. mineralcorticoids. B. glucocorticoids. C. androgens. D. steroid hormones. E. water-soluble peptides.