Which of the following statements regarding transport in phloem is true?

Question

Quizplus · Accepted Answer

Transport in phloem proceeds from source tissue where carbohydrates are produced through photosynthesis to sink tissue where carbohydrates are used or stored. This transport requires energy in the form of ATP and is mediated by specialized cells called sieve tubes. Therefore, option A is incorrect as phloem transport can also proceed from sink tissue to source tissue, depending on the plant's needs. Option C is incorrect as phloem transport requires energy from the plant. Option D is incorrect as transport in phloem and xylem are two different processes with distinct mechanisms.

Which of the Following Statements Regarding Transport in Phloem Is