Name one molecule that can readily diffuse across a lipid bilayer
What will be an ideal response?
Possible answers include any small hydrophobic molecules, such as hydrocarbons, carbon dioxide, and oxygen. Wrong answers would include ions and polar molecules. Note: Water is a polar molecule. Its small size does allow it to cross the lipid bilayer, but not easily.
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The ability to detect prey or obstacles using sound is exhibited by
A. bats. B. dolphins. C. moths. D. sharks. E. Bats and dolphins are both correct.
Discuss three issues associated with the Human Genome Project and genetic testing that might have either ethical, legal, or social implications in the future
What will be an ideal response?
The member of the normal microbiota sometimes considered responsible for tinea versicolor is
A. staphylococci. B. diptheroids. C. Candida spp. D. Malassezia spp.
Which of the following is classified as a flatworm?
a. trematodes b. polyps c. medusa d. rotifers