14.2 Flashcards

1
Q

Term for molecule that activates a receptor?

A

Agonist

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2
Q

Term for molecule that inhibits a receptor?

A

Antagonist

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3
Q

Term for an endogenous agonist

A

Ligand

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4
Q

Term for biologically- derived molecule that causes harmful effects; usually affects predator/ prey, usually inhibits proteins, especially receptors

A

Toxin

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5
Q

What term usually inhibits proteins?

A

Toxin

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6
Q

What are the two major types of receptors

A

Nicotinic and Muscarinic

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7
Q

What does nACh stand for

A

Nicotinic receptor

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8
Q

Which major receptor has ligand-gated ion channels

A

Nicotinic

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9
Q

Which major receptor has G Protein coupled receptors

A

Muscarinic

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10
Q

What does GPCR stand for

A

G-Protein Coupled Receptors

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11
Q

Why are nACh receptors such a good target for toxins?

A

They can paralyze prey

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