Which of the following is NOT an example of
biological digestion?
a. chewing a piece of chocolate
b. the breaking up of proteins by stomach acid
c. salivary enzymes hydrolyzing starch into
glucose
d. absorption of fatty acids in the small
intestines
e. all of these are examples of biological
digestion
D
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The boreal forests of North America are dominated
by a. spruce, fir, and pine. b. redwoods and sequoia. c. birch and aspen. d. long-leaf and loblolly pines. e. cedars and junipers.
Which group of protists are unicellular, biflagellate stramenopiles that forms a significant portion of the
nanoplankton? a. ciliates b. red algae c. golden algae d. foraminifera e. brown algae
Identify each of the staining techniques as simple, differential, or special.
A. capsule stain B. acid-fast stain C. crystal violet D. Gram stain E. flagellar stain
In the biosynthesis of glycerol, the reduction of dihydroxyacetone phosphate produces what important precursor molecule?
A. Glycerol 3-phosphate B. Coenzyme A C. Dihydrogen monoxide D. Phospholipids