Question

What is phloem?
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Answer 1

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Phloem is the living tissue in vascular plants that transports the soluble organic compounds made during photosynthesis and known as photosynthates, in particular the sugar sucrose, to parts of the plant where needed. This transport process is called translocation

Answer 2

Explanation:

Phloem

Phloem consists of living cells arranged end to end. Unlike xylem, phloem vessels contain cytoplasm, and this goes through holes from one cell to the next.

Phloem transports sucrose and amino acids up and down the plant. This is called translocation. In general, this happens between where these substances are made (the sources) and where they are used or stored (the sinks).

This means, for example, that sucrose is transported:

from sources in the root to sinks in the leaves in spring time

from sources in the leaves to sinks in the root in the summer

Applied chemicals, such as pesticides, also move through the plant by translocation.