Which of the following increases bone mass?

A) Moderate stress from weight-bearing exercises
B) Increasing the action potentials that directly stimulate bones
C) Dietary nitrogen supplements
D) Increased osteoclast activity


A

Biology & Microbiology

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The prostate produces

A) sperm. B) urine. C) hormones. D) antimicrobials. E) semen.

Biology & Microbiology

Which of the following conditions would most likely lead to an apparently normal human female?

a. Turner syndrome b. Down syndrome c. cri-du-chat d. Triple-X syndrome e. Klinefelter syndrome

Biology & Microbiology

What information can a DNA library provide?

1.It provides the sequence of all the genes in a given organism. 2.It can reveal minor differences in the number of tandem repeats in an individual. 3.It can be used to isolate a particular gene of interest using a labeled probe. 4.It can be used to analyze DNA from crime scenes.

Biology & Microbiology

For biologists studying a large flatworm population in the lab, which Hardy-Weinberg condition is most difficult to meet?

A) no selection B) no genetic drift C) no gene flow D) no mutation E) random mating

Biology & Microbiology