A frameshift mutation results in

a. a normal protein due to the redundancy of the genetic code.
b. errors in DNA replication
c. errors in DNA splicing
d. a change in all mRNA codons downstream from the mutation
e. a change in the third position of one codon


ANSWER: d

Biology & Microbiology

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When muscle cells are stimulated at such rapid rates that there is no relaxation between contractions, a greater force is produced. This property of muscle contraction is called:

A. hyperpolarization. B. summation C. tetanus D. agonist

Biology & Microbiology

What could be a possible consequence if a structural gene's TATA box is mutated?

A. The transcriptional start site may not function properly. B. Transcription may start at a variety of sites. C. Unusable transcripts may be produced. D. The preinitiation complex may form at the wrong site. E. All of the choices are correct.

Biology & Microbiology

The Miller experiment succeeded in creating ____________

Fill in the blank(s) with correct word

Biology & Microbiology

During cellular respiration, most of the energy contained within the bonds of food molecules is captured in:

a) the conversion of the kinetic energy of food to the potential energy of ATP b) the Krebs cycle and electron transport chain c) digestion d) glycolysis e) None of the above. Energy is lost, not gained, during cellular respiration

Biology & Microbiology