QUESTION 18 Water flows into the source end of a sieve tube from the xylem becau
ID: 263131 • Letter: Q
Question
QUESTION 18
Water flows into the source end of a sieve tube from the xylem because _____.
sucrose has been actively transported into the sieve tube, making it hypertonic
the companion cell of a sieve tube actively pumps in water
water pressure in the xylem forces water into the phloem
sucrose has been transported out of the sieve tube by active transport at the sink
sucrose has been actively transported into the sieve tube, making it hypertonic
the companion cell of a sieve tube actively pumps in water
water pressure in the xylem forces water into the phloem
sucrose has been transported out of the sieve tube by active transport at the sink
Explanation / Answer
QUESTION 18 Water flows into the source end of a sieve tube from the xylem becau