Which of the following brain regions does NOT belong with the others?
A) medulla oblongata
B) midbrain
C) pons
D) thalamus
Answer: D) thalamus
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Which of the following statements provides inaccurate information?
A) In paracrine communication, the target cell receives chemical messenger from signal cell via diffusion. B) A neurotransmitter is a chemical messenger that has been converted from an electrical signal. C) Endocrine messengers are hormones. D) Allelochemicals are chemical messengers released into the external environment by individuals of the opposite sex but of the same species.
To generate an optimal visual image, the focal point must fall on the
A) Lens. B) Fovea. C) Retina. D) Cornea.
Richard has been under great stress and has complained of migraine headaches for weeks. He tried all kinds of drugs, with little effect. When he was at the end of his rope, a friend suggested yoga and meditation. Having nothing to lose, he tried them and after several months, felt like a new person. How could these practices help him?
What will be an ideal response?
Completion of cytokinesis does not lead to
A) production of two blastomeres. B) division of the cytoplasm into two portions. C) initiation of interphase. D) completion of cleavage. E) formation of a polar body.