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Which of the following cell types are alive in mature tissue?a. companion cellsb. sieve-tube membersc. tracheidsd. vessel members
Step 1
Companion cells are specialized parenchyma cells, located in the phloem of flowering plants. They are involved in the transport of sugars and other substances in and out of the sieve-tube members. Sieve-tube members are also part of the phloem and are involved Show more…
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