In conjugation, F+ cells
A) serve as recipient cells.
B) contain an F plasmid.
C) do not have conjugation pili.
D) can transfer DNA only to other F+ cells.
E) contain "jumping genes."
B
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Most plants and animals use __________ as their final
hydrogen acceptor in cellular respiration. a. oxygen b. sulfur c. nitrogen d. magnesium e. phosphorus
The condition that exists when an organism gains or loses one or more chromosomes but not a complete haploid set is known as ________
A) triploidy B) trisomy C) polyploidy D) aneuploidy E) euploidy
Select the correct sequence concerning glucose catabolism.
A. glycolysis - acetyl - CoA - pyruvate - Krebs cycle - electron transport chain B. glycolysis - pyruvate - acetyl - CoA - Krebs cycle - electron transport chain C. glycolysis - pyruvate - acetyl - CoA - electron transport chain - Krebs cycle D. glycolysis - acetyl - CoA - pyruvate - electron transport chain - Krebs cycle
You discover a new species of plant in a tropical rain forest. You observe that it has flagellated sperm and the sporophyte emerges from the gametophyte; however, seeds and xylem tissue is lacking. This plant is probably a(n)
A) gymnosperm. B) fern. C) bryophyte. D) alga. E) angiosperm.