Biology · Plant Physiology
Which of the following statements about phloem loading is correct?
- 1In apoplastic loading, the number of plasmodesmata connecting sieve tubes to surrounding cells is abundant.
- 2In apoplastic loading, the intermediary type of companion cells is present.
- 3In symplastic loading, ordinary or transfer type of companion cells are present.
- 4In apoplastic loading, the number of plasmodesmata connecting sieve tubes to the surrounding cells is fewer.✓
Correct answer
In apoplastic loading, the number of plasmodesmata connecting sieve tubes to the surrounding cells is fewer.
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