Anaerobic mammals:
a. lack mitochondria.
b. have mitochondria and undergo respiration in the same manner as fungi.
c. do not exist.
d. keep their respiratory enzymes in their nucleus.
e. Both a) and b) are correct.
Ans: c. do not exist.
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Our ability to respond to moderate heat and cold is due to
A. mechanoreceptors. B. thermoreceptors. C. nociceptors. D. electromagnetic receptors. E. chemoreceptors.
If you want to buy a colored light bulb for your indoor plants, the least effective color would be
a. red. b. blue. c. green. d. yellow. e. orange.
A phenomenon known as ________ [two words] occurs under conditions where a selection pressure works against deleterious mutations, resulting in the corresponding decrease in the frequency of a closely linked neutral mutation
Fill in the blank(s) with correct word
During PCR, heating of DNA is required to
A) promote attachment of nucleotides to the template. B) allow DNA ligases to bind fragments together. C) unwind double-stranded DNA. D) attach the primer to the template DNA. E) attach a stop codon.