What groups makes amino acids and fatty acids acidic?
A. Carbonyl
B. Hydroxyl
C. Ketone
D. Carboxyl
E. Acetyl
Answer: D
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In prophase, ribosomal RNA synthesis stops when the chromosomes condense, and as a result:
A. the chromosomes lengthen. B. the nuclear envelope reforms. C. the nucleolus disappears. D. the chromosomes line up at the equator of the cell.
DNA fingerprints, such as those first used by Alec Jeffries, reveal variations in _____ between different individuals
a. blood type b. cancer-causing mutations c. transgenes d. the locations of restriction enzyme recognition sites e. STR alleles
Prominence or increase in the population of Candida sp. in the oropharynx might be expected
A. normally in adults B. after penicillin therapy C. after broad-spectrum combined drug therapy D. with antibody deficiency E. none of the above
What hormone regulates the metamorphosis of tadpoles into frogs?
A. Melatonin B. Cortisol C. Estrogen D. Somatotropin E. Thyroid hormone