What type of disease would not be identified by exome sequencing?
A) A disorder caused by a deletion of a large part of a gene
B) A disorder that is caused by a mutation in a non-coding region of DNA found far away from the gene it affects
C) A disorder caused by a mutation that causes one amino acid to be switched for another amino acid
D) A disorder caused by a mutation that causes amino acids to be added to a protein
B) A disorder that is caused by a mutation in a non-coding region of DNA found far away from the gene it affects
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What is the function of the poly A tail?
A. The poly A tail is required for the proper exit of mRNA from the nucleus. B. The poly A tail allows mRNA to bind to the ribosome. C. The poly A tail increases mRNA stability in eukaryotes. D. The poly A tail increases mRNA stability in prokaryotes. E. The poly A tail serves as a termination sequence for RNA polymerase III.
Which of the following statements is true concerning enzymatic activity?
A. As the temperature increases, most enzymatic reactions will still proceed at the same rate. B. Temperature has no impact on enzymatic activity. C. Each enzyme has a preferred pH at which the enzyme reaction rate is highest. D. Below a certain temperature, an enzyme will become denatured. E. Enzyme activity increases as substrate concentration decreases.
Disruptive selection favors individuals possessing traits near the mean value of a population
Indicate whether the statement is true or false
In some butterfly populations, there are equal frequencies of alleles that code for black and yellow coloration. This is an example of
A) stabilizing selection. B) sexual selection. C) nonrandom mutations. D) directional selection. E) balanced polymorphism.