The central dogma has been challenged on several levels (e.g., the discovery of
ID: 26068 • Letter: T
Question
The central dogma has been challenged on several levels (e.g., the discovery of RNA viruses, which use their RNA to directly synthesize proteins; and the discovery of reverse transcriptase, which makes DNA from RNA). Which of the following is another example of an exception to the central dogma?a.Prions are infectious protein molecules capable of altering the folding of normal proteins.
b.Chaperone molecules guide the folding of protein molecules.
c.DNA from viruses can insert themselves into host cell chromosomes.
d.Gene mutations result in altered amino acid sequences of proteins.
Explanation / Answer
c.DNA from viruses can insert themselves into host cell chromosomes.