The olfactory receptors discovered by Richard Axel and Linda Buck are members of a large family of similar receptor molecules termed
A. G-protein coupled receptors.
B. ligand-gated ion channels.
C. voltage-gated ion channels.
D. intracellular receptors.
E. serine/threonine proteases.
A. G-protein coupled receptors.
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A scientist crosses two homozygous plants—one with white flowers and one with red flowers. Which of the following characteristics of their offspring indicates incomplete dominance?
a. all pink flowers b. a mix of red and white flowers c. all white flowers d. all red flowers
After death, muscles remain in a stiff position for several hours. This stiff position is called
A. osteoarthritis. B. rheumatoid arthritis. C. rigor mortis. D. osteoporosis. E. flaccid paralysis.
Damage to which of the following would prevent the production of the most hormones?
1.hypothalamus
2.thyroid gland
3.pancreas
4.adrenal glands
Mendellan Genetics
What will be an ideal response?