A certain protein receptor is capable of binding the neurotransmitter epinephrine but does not bind to the neurotransmitters dopamine, glutamate, or serotonin. This is because the receptor displays what characteristic?
A. Inhibition
B. Acclimatization
C. Accommodation
D. Specificity
E. Saturation
Answer: D
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If you had a genetic disorder resulting in a lack of functional mast cells, you would have a problem with
A) nerve impulse transmission. B) the repair of connective tissue. C) movement of nutrients and waste products to and from cells. D) blood cell production. E) a response to tissue injury.
The ovarian phase between the end of menstruation and beginning of ovulation is the
a) Menstrual phase b) Preovulatory phase c) Proliferative phase d) Follicular phase e) Postovulatory phase
The RNA responsible for bringing the amino acids to the "factory" site for protein formation is ________.
A) rRNA B) mRNA C) tRNA D) ssRNA
The connective tissue that composes tendons and ligaments is
A) dense collagenous connective tissue. B) hyaline cartilage. C) fibrocartilage. D) elastic cartilage. E) loose or areolar connective tissue.