________ are cyclic nitrogenous bases with two rings and pronounced aromatic properties.
A. Fatty acids
B. Quinones
C. Purines
D. Amino acids
Answer: C
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The sequencing method that cuts DNA segments into fragments, arranges those fragments based on overlapping nucleotide sequences, and then clones these fragments is called
A. shotgun sequencing. B. clone-by-clone sequencing. C. RFLP sequencing. D. consensus sequencing.
Which male structure is shared by both the urinary and reproductive systems?
a. urinary bladder b. prostate gland c. ureter d. vas deferens e. urethra
Pairs of maternal and paternal chromosomes line up between the two spindle poles during
a. metaphase I. b. telophase I. c. prophase II. d. metaphase II. e. anaphase II.
During signal transduction of a G protein, the first messenger binds to the receptor, and the G protein is activated
What happens next? a. formation of cAMP b. cellular response c. activation of protein kinase d. activation of adenylyl cyclase e. phosphorylation of the G protein