In a flower, an anther is typically at the tip of a(n) ____
a. calyx
b. receptacle
c. carpel
d. filament
e. ovule
ANSWER: d
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Alcoholic fermentation is the basis for
(a) bread baking. (b) beer brewing. (c) ethanol fuel production. (d) all of the above.
The first reefs on earth were built by:
A. bacteria. B. calcified sponges. C. proteinaceous sponges. D. algae. E. corals.
Which of the following is not taking a toll on the honeybee population in the United States?
a. Predatory wasps b. Pesticides c. Israeli acute paralysis virus d. Neonicotinoids e. Parasitic mites
How would the cell cycle be affected if you removed the phosphorylation sites in the Rb protein?
A. The cell cycle would not be affected because pRb is not phosphorylated normally. B. The cell cycle would be blocked in G1. C. The cell cycle would be blocked in G2. D. The cell cycle would be shorter.