-In the Figure, for Sugar to Move from the Source

question 10

Multiple Choice

-In the figure, for sugar to move from the source cell (Label 1) into the phloem (Label 2) ________.

• A)active transport is needed to load the phloem tube with sugar
• B)water must flow to Label 2 from the adjacent xylem
• C)active transport is needed to drive phloem from Label 2 to Site B
• D)a sink cell at Label 3 must be removing sugar from the phloem

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Definitions:

Lower Temperatures

Conditions or environments characterized by a reduced degree of heat or a temperature below the average.

Modified Leaves

Leaves that have undergone changes to serve functions other than photosynthesis, such as tendrils or spines.

Store Water

The process or capability of retaining water in bodily tissues, cells, or reservoirs in organisms or systems.

Modified Leaves

Specialized structures that arise from the leaf base and perform functions other than photosynthesis, such as protection, reproduction, or storage.