What is the basic structure of catecholamines?
Catecholamines (Norepinephrine, Epinephrine)

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Health Sciences, Biology, Chemistry
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University
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Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A benzene ring with three hydroxyl groups
A linear chain of carbon atoms
A benzene ring with two hydroxyl groups and a side chain amine
A ring structure with a single hydroxyl group
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which enzyme converts tyrosine into DOPA?
Tyrosine hydroxylase
Dopamine beta-hydroxylase
Phenylethanolamine N-methyltransferase
DOPA decarboxylase
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In which part of the body is epinephrine primarily synthesized?
Adrenal medulla
Substantia nigra
Cerebral cortex
Thyroid gland
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What role do SNARE proteins play in catecholamine release?
They transport catecholamines into vesicles
They synthesize catecholamines
They degrade catecholamines
They mediate the fusion of vesicles with the membrane
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the Greek-derived name for the hormone produced by the adrenal gland?
Noradrenaline
Norepinephrine
Adrenaline
Epinephrine
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which adrenergic receptor type is not mentioned in the video?
Beta-2
Alpha-1
Alpha-2
Beta-3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary method of norepinephrine removal from the synaptic cleft?
Diffusion into the bloodstream
Reuptake into the adrenergic nerve ending
Degradation by MAO
Conversion into dopamine
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