After the bacteriophage uses its tail fibers to attach to the bacterial host, what will happen next in the lytic cycle?
A. Integration of viral nucleic acid into the bacterial genome
B. Assembly of the new viruses
C. Lysis of the bacterial cell wall
D. Degradation of host DNA
E. Injection of viral DNA
Ans: E. Injection of viral DNA
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Cellular respiration is the opposite of what other cellular process?
a. photosynthesis b. fermentation c. dehydration synthesis d. hydrolysis e. cell division
Assume you are an evolutionary biologist who is using coat coloration in several closely related species to reconstruct their evolutionary history
If you find that the coat color trait is symplesiomorphic, what can you do to resolve the species' evolutionary relationships? What will be an ideal response?
What are epithelial cells with a flat, irregular shape and tapered edges called?
A. columnar B. pseudostratified C. squamous D. cuboidal E. stratified
The gradual change in specific human mitochondrial DNA sequences along a river illustrates
A) a founder effect. B) a population bottleneck. C) a cline. D) spontaneous mutation.