Potential ORFs are identified by locating

a. OGREs.
b. DNA sequences.
c. genes.
d. start and stop codons.


Answer: D

Biology & Microbiology

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Domains of a protein can best be described as:

A. the unique sequences of each participating protomer. B. functional components of a protein. C. independently folding units of a polypeptide chain. D. None of the answers provided is correct. E. All of the answers provided are correct.

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The mechanism of DNA replication is

A. conservative. B. intermediate. C. semiconservative. D. dispersive. E. complementary.

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The karyotype of a young patient shows two Barr bodies per cell. What condition might this child have?

A. Turner syndrome B. Triple X syndrome C. Down syndrome D. Klinefelter syndrome E. This child is a normal female.

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Why are chemicals (e.g., nitrapyrin) added to ammonia-containing fertilizers for agricultural applications?

a. to ensure long-term stability of the uncharged N compound b. to minimize production of NO c. to prevent the formation of leachable nitrate (going into waterways) d. all of the above

Biology & Microbiology