What happens when coleoptiles are illuminated with directional light from the side instead of from directly overhead?
A. More auxin is produced.
B. Less auxin is produced.
C. Auxin is transported away from the lighted side.
D. Auxin is transported toward the lighted side.
E. Auxin receptors are activated.
C. Auxin is transported away from the lighted side.
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You decide to plant hibiscus flowers and surround them with mulch. For a couple of months the hibiscus grow well and when you weed the garden, you see hummingbirds in your backyard eating the nectar in the hibiscus flowers
You've never seen hummingbirds in your yard before. Their occurrence after you plant the hibiscus flowers illustrates that: A. communities are shaped by interactions among organisms. B. communities are shaped by the physical environment. C. communities are shaped by both interactions among organisms and the physical environment. D. None of the responses are correct.
All clinical specimens submitted to the CML must be:
A) properly and carefully collected. B) properly labeled. C) properly transported to the laboratory. D) all of the above
In humans, an extra copy of chromosome 21 typically leads to moderate to severe mental retardation and sterility, as
well as to a greater likelihood of heart defects and other problems. This disorder is known as ____.
a. Turner syndrome b. Down syndrome c. cri-du-chat d. Triple-X syndrome e. Klinefelter syndrome
Mutations of some genes for human height result in ____________________.Fill in the blank(s) with the appropriate word(s)