Multiple Choice
How does loading of most carbohydrates into companion cells at a source occur?
A) by diffusion of water from the xylem
B) by osmosis
C) by active transport
D) by proton pumping
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q49: Which sentence best describes how mineral ions
Q50: What drives the process of transpiration?<br>A) upward
Q51: Match each term or phrase with the
Q52: Which term best describes the movement of
Q53: Consider a living plant cell in a
Q55: Match each term or phrase with the
Q56: Match each term or phrase with the
Q57: Under which conditions would essentially no transpiration
Q58: What is the principal driving force for
Q59: Explain the process that occurs when a