Feeding aphids are anesthetized by exposure to __________ in translocation experiments.
A) alcohol fumes
B) carbon dioxide
C) methane
D) high levels of oxygen
E) smoke
Correct Answer:
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Q24: Q28: Movement of soluble organic material through sieve Q37: Q50: Drops containing mainly _ may spatter a Q51: The function of the phloem companion cells Q52: The guard cells that surround stomata are Q55: During late spring and summer, the source Q56: Which statement is false? Q58: Experiments with _ revealed that _ is Q59: During the day in most plants![]()
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A)The stomata open simply
A)carbon dioxide
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