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