Which of the following statements accurately describes the role of insects in early angiosperm evolution?
A. Insect pollination may have allowed early
angiosperms to thrive in the understory
habitats of tropical rain forests.
B. Insect pollination may have allowed early
angiosperms to thrive in the canopy of
tropical rain forests.
C. Mammal pollination may have contributed
to early angiosperm success.
D. Very few living members of the earliest
angiosperm lineages produce flowers that are
visited by insects.
E. Insects did not play a significant role in
early angiosperm evolution.
A
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An example of an anabolic metabolism reaction is
a. monosaccharides + monosaccharides glycogen + H2O b. dipeptide amino acid + amino acid c. glycerol + 3 fatty acid molecules 3H2O + fat molecules d. glycogen many monosaccharides
Which nucleotide sequence is complementary to the DNA sequence 5'-GACGTT-3'?
a. 5'-TCATGG-3' b. 3'-TCATGG-5' c. 3'-CTGCAA-5' d. 3'-AGTACC-5' e. 5'-TTGCAG-3'
A cell's DNA molecules contain its genetic material. DNA molecules contain patterns for the production of
a. proteins. b. amino acids. c. phosphates and sugars. d. four kinds of bases. e. proteins, amino acids, phosphates, sugars, and four kinds of bases.
Alcoholic fermentation
A. produces carbon dioxide. B. All of the answer choices are correct. C. produces ethanol. D. is carried out by yeasts. E. produces far less ATP than aerobic respiration.