In Males, the Gonads Are the _____, Which Secrete _____

question 23

Multiple Choice

In males, the gonads are the _____, which secrete _____.

• A) ovaries; androgens, including testosterone
• B) testes; androgens, including testosterone
• C) ovaries; estrogen and progesterone
• D) testes; estrogen and progesterone

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Definitions:

Voltage-activated Calcium Ion Channels

Ion channels in cell membranes that open in response to changes in electrical potential, allowing calcium ions to enter the cell.

Presynaptic Membrane

Axon terminal membrane on the transmitter, or output, side of a synapse.

Neurotransmission

The process by which neurotransmitters are released by a neuron, cross the synaptic gap, and bind to receptors on another neuron, resulting in the transmission of a nerve impulse.

Axosecretory Synapses

Specialized synapses where an axon terminal secretes neurotransmitters directly into the bloodstream.