Many species of small mammals, especially those that hibernate, increase heat production by
A) growing denser fur during winter.
B) burning highly vascular brown fat.
C) panting.
D) sweating.
B
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The principle of plasmid fingerprinting is that microbial isolates of the same strain contain the same plasmids.
Answer the following statement true (T) or false (F)
The difference between a drupe and a berry is that a drupe:a
is an accessory fruit, while a berry is a multiple fruit. b. is formed from a single carpel, while a berry is formed from many carpels. c. has a stony pit around a single seed, while a berry is fleshy throughout with many seeds. d. is a dry fruit, while a berry is a fleshy one. e. splits open along two sutures, while a berry splits open along one suture.
Which of the following is/are found in methanogenic Euryarchaeota cell walls?
a. glycoproteins b. methanochondroitin c. pseudomurein d. all of the above
Which hormone prevents the corpus luteum from degenerating?
A. LH B. Progesterone C. Estrogen D. FSH E. hCG