Multiple Choice
What best explains why sugar maple trees are tapped on the sun-warmed south side of the trunk?
A) Sap on the north side of the tree is still frozen in early spring.
B) During the summer most photosynthesis occurs on the south side of the tree.
C) The reaction rate for the enzymes that convert starch to sucrose is temperature dependent.
D) The sap expands as it is warmed and flows upward through the trunk.
Correct Answer:

Verified
Correct Answer:
Verified
Q47: Leafhoppers feed on the contents of tracheids
Q48: Trees,although immobile,can take defensive measures against harmful
Q49: Some plants house bacteria in compartments in
Q50: A cotyledon is the<br>A) food-storing organ found
Q51: In the figure below,the line with the
Q53: In the xylem,water is transported<br>A) in "cables"
Q54: A tendril on a grapevine is a
Q55: The vascular tissue responsible for transporting sugars
Q56: Like other organisms,plants are composed of proteins,lipids,carbohydrates,and
Q57: A plant's root cap would be found<br>A)