What occurs in a missense mutation?
a. All of the amino acids beyond the mutation point are changed.
b. A nucleotide is added to the DNA
c. A nucleotide is deleted from the DNA.
d. A single amino acid is substituted for another in a protein.
e. The protein is always completely nonfunctional.
d
You might also like to view...
Briefly describe the effect of deposition of antibody or complement on the surface of a pathogen or antigen in relation to opsonization
What will be an ideal response?
Assuming geological evidence is accurate, life on Earth may have originated
a. 14 billion years ago. b. 4.6 billion years ago. c. 3.5 billion years ago. d. 2.1 billion years ago. e. 1.2 billion years ago.
In humans germ cells are located in
A. bone marrow. B. blood. C. all cells. D. all tissues. E. testes and ovaries.
A compound is extracted from a microbial culture and is modified in the laboratory for use as an oral medication. This product would be a(n)
A) antibiotic. B) analog. C) semisynthetic antimicrobial. D) synthetic antimicrobial. E) probiotic.