Mice are known as the genus and species ___________ ____________
Fill in the blank(s) with correct word
mus musculus
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Which is not a synonym for the other terms?
A. tectum B. colliculus C. quadrigeminal plate D. corpora quadrigemina
With regard to reproduction, which is correct about SRY?
A. It is a gene found in both males and females. B. It is a protein that causes the degeneration of the Wolffian ducts. C. It is a protein that is normally coded for by a gene that is present on the Y chromosome. D. It is a gene that codes for testosterone. E. It is a protein normally coded for by a gene that is present on the X chromosome.
The respiratory center is most likely to increase the breathing rate if the
A. pH of body fluids is decreasing. B. pH of body fluids is increasing. C. concentration of carbonic acid is decreasing. D. concentration of sodium bicarbonate is increasing.
A stimulus to which afferent neurons X, Y, and Z are sensitive is applied in the middle of Y's receptive field. The same stimulus simultaneously activates receptors on the periphery of the receptive fields of X and Z
Which of the following is likely to be true? A. The receptor potential in neurons X and Z will be more depolarized than in neuron Y. B. It won't be possible to discriminate which neuron's receptive field was stimulated at its center. C. The frequency of action potentials in the afferent pathway from neuron Y will be increased by excitatory interneurons projecting from the afferent pathways from neurons X and Z. D. The frequency of action potentials in neuron Y will be greater than that in neurons X and Z. E. The receptor potentials in all three neurons will achieve the same, average value.