Which one of the following statements about transport of nutrients in phloem is false?
A) Solute particles can be actively transported into phloem at the source.
B) Companion cells control the rate and direction of movement of phloem sap.
C) Differences in osmotic concentration at the source and sink cause a hydrostatic pressure gradient to be formed.
D) A sink is that part of the plant where a particular solute is consumed or stored.
E) A sink may be located anywhere in the plant.
Correct Answer:
Verified
Q61: According to the pressure flow hypothesis of
Q62: Several tomato plants are growing in a
Q63: Phloem transport of sucrose is often described
Q64: Phloem transport is described as being from
Q65: Which structure or compartment is part of
Q67: Movement of phloem sap from a source
Q68: The symplast transports all of the following
Q69: The following photo shows a strawberry leaf
Q70: Photosynthesis ceases when leaves wilt, mainly because
A)
Q71: A fellow student brought in a leaf
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents