SAT Subject Biology Practice Question 262: Answer and Explanation

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Question: 262

12. Which statement describes one difference between hormones and neurotransmitters?

A. Hormones modify cellular activity.
B. Hormones are secreted into the bloodstream.
C. Hormones produce a change in animal behavior.
D. Hormones attach to receptors on the cell surface.
E. Hormones are released in response to external stimuli.

Correct Answer: B


Hormones are secreted into the bloodstream, while neurotransmitters are released into the synapses between neurons.

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