Water accounts for 50% of the weight of a young adult female and 60% of a young adult male. What kind of bond is found at "B"?
A. oxygen atom
B. polar covalent bond
C. water molecule
D. hydrogen atom
E. hydrogen bond
E
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Which of the following correctly states how a gustatory receptor will be stimulated by an acidic or sour compound?
A) G proteins will be activated. B) Hydrogen ions will diffuse into the receptor cell causing depolarization. C) Sodium ions will diffuse into the receptor cell causing depolarization. D) Second messengers will be activated. E) Adenylate cyclase will be activated.
Herbal toxicities may be seen in animals with owners who are overzealous about the use of herbs in their pets. Overzealous owners may give their animals "too much of a good thing" and cause more harm than good. What are antidotes for herbal overdoses?
What will be an ideal response?
During the resting potential
a. K+ ions leave the cell along a concentration gradient and along an electrical gradient. b. K+ ions leave the cell against a concentration gradient but along an electrical gradient. c. Na+ ions enter the cell along a concentration gradient and along an electrical gradient. d. Na+ ions enter the cell along a concentration gradient but against an electrical gradient. e. Cl- ions enter the cell along a concentration gradient and along an electrical gradient.
What part of the mesolimbic system found in the midbrain is involved with behavioral reward?
A. Corpora quadrigemina B. Substantia nigra C. Ventral tegmental area D. Nigrostriatal pathway