Which of the following gives the correct rank order for relative toxicity (most to least) of the primary nitrogenous wastes used by different animals?
A. ammonia ? urea ? uric acid
B. uric acid ? ammonia ? urea
C. urea ? uric acid ? ammonia
D. ammonia ? uric acid ? urea
E. urea ? ammonia ? uric acid
A. ammonia ? urea ? uric acid
Biology & Microbiology
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a. true b. false
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DNA ligase ________
A) removes bases from a DNA molecule B) adds bases into a growing DNA molecule C) reconnects the bases together between the DNA strands D) cuts the DNA to produce sticky or blunt ends E) reconnects the phosphodiester linkage between bases on the same strand of DNA
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