The P-site

A. is found on the polymerase enzyme.
B. is an allosteric site.
C. is a promoter site.
D. is the peptidyl site on the ribosome.
E. is an allosteric site AND is a promoter site.


D

Biology & Microbiology

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This is a tool that enables researchers to study the structure and function of cells.

A. magnifying glass B. microscope C. tunneling assay D. digital recording E. differential centrifugation

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A person who is homozygous recessive for this defective gene often suffers from severe

pancreatitis, which can be deadly. A treatment that replaces this gene is __________.

a. gene therapy b. genomics c. therapeutic cloning d. a genetic marker

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At which level(s) is eukaryotic gene expression regulated?

a. transcription b. translation c. posttranscription d. posttranslation e. all of these

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What is the major protein in the myofilament that is composed of two intertwined strands?

a. actin
b. chromatins
c. lamins
d. tubulins
e. lamellae

Biology & Microbiology