A marine biologist makes a presentation about crustaceans to your biology class. He explains that he has recently received an NSF grant to study sessile crustaceans. You are only aware of one group of sessile crustaceans. This crustacean must be
A. a lobster.
B. a crayfish.
C. a shrimp.
D. a barnacle.
E. the nauplius.
D. a barnacle.
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If chromosomal DNA from a host is the only type of DNA carried by a transducing particle, what can be concluded regarding transduction in this case?
A. Transduction in this case could be generalized or specialized depending on the phage involved. B. Transduction in this case is generalized rather than specialized. C. Transduction in this case is neither generalized nor specialized. D. Transduction in this case is specialized rather than generalized.
A researcher wants to clone a specific gene of interest. Why would he/she choose a viral vector for introducing the gene of interest into a host cell?
A. A viral vector contains its own metabolic machinery and does not affect the host cell. B. A viral vector can infect living cells and take control of the host cell's metabolic machinery. C. A viral vector is nonliving. D. A viral vector contains circular DNA, thus it is easier to insert the gene of interest. E. None of the choices are correct.
During PCR, ____________________ takes place when primers for DNA replication bind to complementary regions on the single-stranded DNA fragments
Fill in the blank(s) with correct word
Mendel was the first scientist to describe the concept of diploidy–the idea that organisms like pea plants and humans possess two complete sets of genetic material. Summarize Mendel's observations and the reasoning that led him to this conclusion
What will be an ideal response?