Companion cells are important in phloem tissue because they supply _ to sieve elements:
Correct answer: B. ATPs
- A. Water
- B. ATPs
- C. Carbohydrates
- D. Proteins
Explanation
Answer is "ATPs"Explanation: Companion cells supply ATP and proteins to sieve tubes. The photosynthetic products from photosynthesizing cells, the mesophyll and palisade layer of leaf, pass into sieve tubes, through the companion cell via plasmodesmata.
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