Defensins act against bacteria and fungi by permeabilizing cell membranes.
Answer the following statement true (T) or false (F)
True
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Synapsis occurs during
A) prophase I. B) metaphase I. C) anaphase I. D) telophase I.
Four of the five answers listed below concern
cells with two chromosome sets. Select the EXCEPTION.
a. zygote b. somatic cell c. spore d. diploid e. sporophyte
In a rank-abundance curve comparing two communities, the community with the greater species richness is characterized by a
A) lesser length of the curve and a more gradual slope. B) lesser length of the curve and a steeper slope. C) greater length of the curve and a more gradual slope. D) greater length of the curve and a steeper slope.
In an experiment like that of the 1952 Hershey and Chase experiments, 35S was added to a phage replicating within its bacterial host
The new phage particles were carefully isolated and used to infect fresh bacterial cells in the absence of any radioisotopes. Where would you expect to find the 35S radioisotope immediately after infection? A) in the phage ghosts outside the bacterial cells B) incorporated into the bacterial matrix proteins C) incorporated into the bacterial DNA D) inside the bacterial cells, but separate from the bacterial DNA E) inside the bacterial cells, but separate from the bacterial proteins