A product of the metabolism of certain nucleic acid bases is

A. uric acid.
B. ammonia.
C. water.
D. urea.


Answer: A

Anatomy & Physiology

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The only kind of cell in the body that is not produced by the division of preexisting cells is

A) a gamete (sperm or egg cell). B) a neuron (nerve cell). C) an osteocyte (bone cell). D) none, because every cell is produced by the division of another cell. E) a liver cell.

Anatomy & Physiology

Calcium, released by the sarcoplasmic reticulum, binds to ________ to move the ________, which allows actin to form of a ________ with myosin.

What will be an ideal response?

Anatomy & Physiology

Rikki agrees to sell her Sunrise Breakfast Café to Tia. As part of the deal, Rikki signs a covenant not to open a competing business within a hundred-mile radius for ten years. If this covenant is later determined to be unreasonable, the appropriate remedy is most likely

a. damages. b. reformation. c. rescission. d. specific performance.

Anatomy & Physiology

Sperm are produced in the ________

A) spermatic network B) interstitial tubules C) seminiferous tubules D) epididymis

Anatomy & Physiology