Which is the only movable bone of the skull?
A. Maxilla
B. Zygomatic
C. Mandible
D. Temporal
Answer: C
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If you cross two pea plants, one with green peas and the other with yellow peas, and all of the offspring have yellow peas, you conclude?
A. the yellow parent was heterozygous. B. the green parent was homozygous for the dominant allele. C. the green parent was heterozygous. D. the yellow parent was homozygous for the dominant allele. E. the yellow parent was homozygous for the recessive allele.
Parasympathetic innervation to the heart
a. involves the vagus nerve b. decreases the rate at which the pacemaker potential reaches threshold c. decreases the strength of ventricular contraction d. is characterized by all of the above e. is characterized by only a and b
Sheep rarely ________________ or _____________ during restraint
Fill in the blank(s) with correct word
Paradoxical sleep exhibits all of the following except
a. brain waves similar to an awake person b. frequent shifting of the body c. dreaming d. irregular heart rate e. rapid eye movements