What is an undersea mountain called?
a. a seamount
b. a mangrove
c. a trench
d. an estuary
e. a coral reef
ANSWER: a
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Bile is made in the ________ and stored in the ________.
A. cecum; appendix B. pancreas; gallbladder C. rectum; pancreas D. stomach; liver E. liver; gallbladder
A mountain rain shadow is the
a. arid area on the windward slope. b. wet area on the windward slope. c. arid area on the leeward slope. d. wet area on the leeward slope. e. arid area on either slope
snoRNPs are found in the nucleolus. Two functions of these complexes include:
A. rRNA processing. B. tRNA processing. C. adding methyl groups to rRNA. D. adding methyl groups to tRNA. E. transcription of 5S rRNA.
Which factor is important for maintaining the different germ cell layers in the developing embryo? [Hint: without this molecule the embryo would be a ball of cells with no distinct germ cell layers.]
A. activin B. noggin C. Spemann's organizer D. Hox gene E. cadherins