Which of the Molecules Contain(s)a Hydroxyl Group

question 35

Multiple Choice

Which of the molecules contain(s) a hydroxyl group?

• A) All of these molecules contain a hydroxyl group.
• B) Only molecule I contains a hydroxyl group.
• C) Molecules II and IV contain a hydroxyl group.
• D) Molecules I and V contain a hydroxyl group.
• E) All molecules except molecule III contain hydroxyl groups.

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Definitions:

Presynaptic Neuron

A neuron that releases neurotransmitters from its axon terminal into the synaptic cleft to transmit a signal to the receiving (postsynaptic) neuron.

Cleanup Enzymes

Biological molecules that break down or remove unwanted or toxic substances within an organism.

Antagonist

A substance that acts against and blocks an action in pharmacology, or a character in opposition to the protagonist in literature.

Neurotransmitter

Chemical substances in the nervous system that transmit signals between neurons or from neurons to muscles.