Bacteriophages are:a
viruses that infect bacteria.
b. plasmids that infect bacteria.
c. bacteria that infect other bacteria.
d. enzymes that destroy bacteria.
e. recombinant organisms
A
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A gene library from a particular human's retinal cell would be a collection of _____
A) DNAs cut by a restriction enzyme B) plasmids cut by a restriction enzyme C) different DNA fragments ligated into different plasmids D) genes that have been sequenced from a particular organism E) PCR-amplified DNAs
Transgenic organisms carry the transgene in
A) every cell. B) gametes only. C) somatic cells only. D) the cell in which it was originally introduced.
Theoretically, based on the cohesion-tension mechanism, the maximum height for the tallest trees
should be about
a. 50 ft. b. 130 m. c. 6 ft. d. 3 m. e. 75 m.
In which layer of cells in the eye is light converted into an electrical signal?
What will be an ideal response?