Which of the Following Is a Difference Between Movement in the Xylem

question 172

Multiple Choice

Which of the following is a difference between movement in the xylem and movement in the phloem?

• A) movement in the phloem is by a pushing action; movement in the xylem is by a pulling action
• B) movement in the phloem occurs through nucleated cells; movement in the xylem occurs through non-nucleated cells
• C) movement in the phloem is always down; movement in the xylem is always up
• D) movement in the phloem starts in the roots; movement in the xylem starts in the leaves
• E) all of these are differences between movement in the xylem and movement in the phloem

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