A TRNA in the P Site of the Ribosome Will

question 6

Multiple Choice

A tRNA in the P site of the ribosome will enter the _________site after translocation of the ribosome.

• A) A
• B) initiation
• C) 3'
• D) 5'
• E) E

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Definitions:

Plasma Membrane

A semi-permeable membrane found in cells that separates the interior of the cell from its external environment and regulates the movement of substances in and out of the cell.

Depolarization

The reduction of a cell's membrane potential, making it more positive, and initiating action potentials.

Permeability

A measure of the ability of a substance to allow liquids or gases to pass through it.

Absolute Refractory Period

A period immediately following the firing of a nerve fiber when it cannot be stimulated no matter how great a stimulus is applied.