No matter how much water a human drinks, the kidneys are always regulating various aspects of the blood, including _________________.
I-the pH of the blood
II-the plasma concentration of iron ions
III-the plasma concentration of sodium ions
IV-the plasma concentration of potassium ions
V-the temperature of the blood
A. I, III, IV, and V
B. I, II, III, and IV
C. I, II, III, IV, and V
D. I, II, and III
E. I, III, and IV
E. I, III, and IV
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Which of the following is not true of viruses?
A. Viruses replicate by binary fission. B. Viruses are acellular. C. Viruses consist of one or more molecules of DNA or RNA enclosed in a coat of protein and sometimes in other more complex layers. D. Viruses can exist in two phases: intracellular and extracellular.
The rotifers and the aquatic environment in which they live would be considered a(n)
__________.
a. ecosystem b. community c. population d. keystone
Women wishing to get pregnant can monitor the
amount of which of the following? a. LH b. PSA c. MDH d. ESP e. none of these
Summarize the major advantage of using YACs to carry genome libraries. What will be an ideal response?