Adenine and Guanine Are

question 70

Multiple Choice

Adenine and guanine are

• A) purines represented by T and C.
• B) pyrimidines represented by A and G.
• C) purines represented by A and G.
• D) pyrimidines represented by T and C.
• E) nucleotides represented by A and G.

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Definitions:

Voltage-Gated Channel

A type of ion channel that opens or closes in response to changes in membrane potential, critical for nerve impulse transmission.

Chemical Synapse

A junction between two nerve cells, where neurotransmitters are used to relay signals.

Presynaptic Terminal

The end part of a nerve fiber that releases neurotransmitters to transmit nerve signals to another neuron across a synapse.

Postsynaptic Membrane

The part of the nerve cell membrane that is on the receiving end of a synapse, responding to neurotransmitters released by the presynaptic neuron.