Deamination of amino acids in mammals yields amino groups that are converted to __________,
which is(are) excreted, and __________, which is(are) converted to one of the reactants of glycolysis
or the citric acid cycle.
a. urea; carbon chains
b. amino acids; ATP
c. amino groups; ADP
d. carbon chains; amino acids
e. amines; ATP
A
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Which of the following does NOT affect blood
glucose levels? a. glucagon b. epinephrine c. parathyroid hormone d. glucocorticoids e. insulin
The moon lacks life and varies dramatically in temperature. If we could keep a layer of water spread on the surface of the moon, what effect would it have?
A) Physical conditions would remain the same. B) Because water has a high heat of vaporization, the temperatures would rise to the upper extremes. C) The temperatures would drop to the lower extremes. D) Water would absorb and hold heat and moderate the temperature extremes. E) Life would be possible, but it would have to withstand these extremes in temperature.
Which of the following diseases has been eradicated from the Unites States?
a. malaria b. tuberculosis c. AIDS d. herpes infection e. pneumonia
Each element on the periodic table is defined by __________________, which is also known as the atomic number.
A. the number of protons B. the number of neutrons C. the number of electrons D. the total number of protons and neutrons E. the mass number