Chemical signaling molecules that diffuse across a chemical synapse are called
a. neurotransmitters.
b. enzymes.
c. neurostimulators.
d. neuron releasing factors.
e. ion carriers.
A
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The few ancestors of the Galàpagos finches who colonized the islands would be an example of
A. a founder effect. B. a bottleneck. C. increased mutation rate. D. natural selection. E. gene flow.
According to Woods, the key to understanding hunger is to appreciate that eating meals stresses the body, how?
What will be an ideal response?
When writing a scientific paper, which of the following are NOT a component of the Discussion sections?
A. Describing the main conclusions that support your statistical analysis. B. Talking about future experiments that can be done on your data. C. Graphical summaries of your data (like graphs and tables containing data). D. Alternative explanations for your results. E. Explaining the limitations of your study.
Most plants absorb water and minerals from the ________ and transport them through the ________.
A. atmosphere; xylem B. soil; phloem C. atmosphere; phloem D. soil; xylem