NEET Biology question

Not in NEET syllabus

The translocation of organic solutes in sieve tube members is supported by

(A)Root pressure and transpiration pull
(B)P-proteins
(C)Mass-flow involving a carrier and ATPCorrect
(D)Cytoplasmic streaming

Answer: (C)

Solution

Phloem loading of sucrose at the source is an active, carrier- and ATP-dependent process; the resulting high turgor pressure at the source relative to the sink then drives

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Question ID VK-127635