Cellulose and starch are examples of ______.
a) monosaccharides
b) polysaccharides
c) disaccharides
d) lipids
Ans: b) polysaccharides
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Water has a high specific heat because of the _____
A) polar covalent bond formed between the oxygen and a hydrogen of a single water molecule B) ionic bonds formed between the hydrogen of one water molecule and the oxygen of another water molecule C) hydrogen bond formed between the hydrogen of one water molecule and the oxygen of another water molecule D) covalent bond formed between the hydrogen of one water molecule and the oxygen of another water molecule
Folding domains typically range in length from ____________ amino acids
A. 1,000 to 1,5000 B. 10 to 20 C. 200 to 275 D. 50 to 80 E. 25 to 100 or more
The perception of a certain pitch of sound depends partly on
A. which bones of the middle ear are moved. B. the amplitude of the sound waves. C. whether it is the round window or oval window that vibrates. D. which hair cells of the cochlea are stimulated. E. where particles settle in the semicircular canals.
The base of the food web of deep-sea vent communities are:
a. chemosynthetic bacteria. b. cyanobacteria. c. dinoflagellates. d. deep-sea algae. e. benthic diatoms.