How does water move so rapidly across plant cell membranes, and why are red blood cells so
important to the process?
What will be an ideal response?
Aquaporins are channel proteins in the tonoplast and plasma membrane that move water across cell
membranes much faster than normal osmosis. The discovery of aquaporins in red blood cells led
scientists to investigate similar proteins in plant cells.
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Ciliary muscles are involved in:
A. controlling the amount of light entering the eye. B. tracking an image. C. blood supply to the eye. D. focusing an image onto the retina.
The process of translation refers to the use of information encoded in ____ to make ____
a. RNA; a DNA strand b. DNA; a polypeptide c. DNA; a complementary RNA copy d. a polypeptide; RNA e. RNA; a polypeptide
The carotid bodies detect carbon dioxide in the blood and is, therefore, a
a. chemoreceptor. b. photoreceptor. c. thermoreceptor. d. mechanoreceptor. e. movement receiver.
Why is the mouth of a culture tube passed through the Bunsen burner flame after removing and before replacing the cap?
What will be an ideal response?