The chlorophytes use both chlorophylls a and b for photosynthesis, which make them appear green
Indicate whether the statement is true or false.
Answer: TRUE
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In alcoholic fermentation, _____ is the final acceptor of electrons
a. oxygen c. acetaldehyde b. pyruvate d. sulfate
Fatter sociable weaver birds spend more time foraging where they are vulnerable to predation, are more attractive to
predators, and are less likely to escape an attack. Conversely, thin birds risk starvation. Therefore, sociable weaver of an intermediate weight have a selective advantage. This is an example of ____ selection.
a. frequentb. directional c. disruptive d. stabilizing e. mutational
A compound contains hydroxyl groups as its predominant functional group. Therefore, this compound _____
A) lacks an asymmetric carbon and is probably a fat or lipid B) should dissolve in water C) should dissolve in a nonpolar solvent D) will not form hydrogen bonds with water
________, a chemical that hardens cell walls and supports terrestrial plants, is found in all plants EXCEPT ________
A) Lignin... bryophytes B) Cellulose... bryophytes C) Cellulose... ferns D) Lignin... ferns and bryophytes