What is the function of companion cells?
A) These cells provide metabolic support to vessel elements.
B) These cells provide metabolic support to sieve elements.
C) These cells provide metabolic support to tracheids.
D) These cells prevent water from entering the endodermis.
E) These cells control the opening and closing of stomata.
Correct Answer:
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Q27: Q28: Movement of soluble organic material through sieve Q29: Q30: The pitted end walls of sieve elements Q31: An opening in leaves that functions in Q33: Choose the most appropriate answer response for Q34: A difference in charge across a guard Q35: The movement of organic compounds throughout plants Q36: During the day,an open stomata loses about Q37: Sieve tubes are different from vessel elements
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