When a virus has a broad host range,
A. it does not require close contact to infect a new host.
B. it can infect many different cell types.
C. it can infect many different species.
D. the species that the virus can infect are spread over a large geographic distance, potentially causing pandemics.
E. it can infect many cell types or species.
E. it can infect many cell types or species.
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________ "tag" misfolded proteins so that they can be refolded or sent to proteasomes.
A) Chaperones B) Folding catalysts C) Signal sequences D) Ubiquitin molecules
The difference between diffusion and passive transport is that during diffusion molecules move ________ and in passive transport they move ________
a. through passive transporters / across the lipid bilayer b. down concentration gradients / up concentration gradients c. through active transporters / through passive transporters d. across the lipid bilayer / through passive transporters
In a Hardy-Weinberg equilibrium, as the frequencies of homozygous genotypes increase, the frequency of the
heterozygous genotype _____. a. doubles b. is reduced by a factor of 10 c. increases linearly d. decreases linearly e. remains the same
A(n) ____ includes the entire genome.
A. cDNA library B. transcribed library C. genomic library D. RNA library E. plasmid library