A frameshift mutation:
A) leaves the amino acid sequence unchanged.
B) results from an insertion or deletion in a DNA sequence.
C) substitutes a pyrimidine for a purine, or vice versa.
D) substitutes a purine for a pyrimidine only.
E) is the result of an unequal crossing-over.
B) results from an insertion or deletion in a DNA sequence.
You might also like to view...
A portion of a DNA molecule wound around a spool of
histone protein is called a a. centromere. b. nucleosome. c. spindle. d. furrow. e. cell cycle.
Which of the following examples is best explained by the process of convergent evolution?
A. The wings of birds and butterflies being used for flight. B. Wolves and coyotes both producing milk for their young. C. Both mice and rats having a tail. D. A human cell and a fruit fly cell both going through the process of transcription and translation in order to produce a gene.
Which chemical characteristic makes phosphoenolpyruvate (PEP) unusual?
a. PEP regulates the activity of phosphofructokinase. b. PEP can carry out redox reactions. c. PEP provides high-energy electrons to make ATP. d. PEP supplies a high-energy phosphate to phosphorylate ADP
Which one of the following molecules is a monosaccharide?
A. C51H98O6 B. C45H84O8PN C. C6H12O6 D. C25H43O8 E. C22H49O10N5