Prions:
A) are a type of infectious agent composed only of protein
B) cause Alzheimer's disease
C) are a treatment for CJD developed by Stanley Prusiner
D) are a type of virus
E) destroy the cells lining the gastrointestinal tract
Ans: A) are a type of infectious agent composed only of protein
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A eukaryotic gene that is regulated by three activator proteins is said to be under
A. triplet regulation. B. individual control. C. self-regulation. D. combinatorial control. E. elastic control.
Suppose one strand of a "mini-gene" has the base sequence TACCCGGATTCA. If we assume no introns are involved, how many amino acids does the polypeptide encoded by this gene have?
A) 12 B) 6 C) 2 D) 4
Ruffini corpuscles respond to a light touch against the skin
Indicate whether the statement is true or false
All of the following are correct about Tamiflu and Relenza except
A. they inhibit fusion and uncoating of the virus. B. they are used to treat infections by influenza A and B. C. they should be given early in an infection. D. they are effective prophylactics for influenza. E. they prevent assembly and release of the virus.