For a Brief Period of Time, Shortly After a Neural

question 106

Multiple Choice

For a brief period of time, shortly after a neural impulse has been triggered, a neuron is not excitable and cannot fire another impulse. This is called _______________.

• A)action potential
• B)graded potential
• C)absolute refractory period
• D)depolarization

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Definitions:

Hydrophobic Interactions

The tendency of hydrophobic substances to cluster together due to strong cohesive interactions among surrounding water molecules.

Amino Acids

Organic compounds that combine to form proteins and are used as the building blocks of life.

R Groups

The variable groups of atoms in amino acids that define the chemical characteristics and properties of those amino acids.

Phosphodiester Linkage

The covalent bond between the phosphate group of one nucleotide and the hydroxyl group of another, forming the backbone of DNA and RNA molecules.