Who Am I

What am I? _____ I help support the cell. And I’m made of cellulose. I’m found in only plants. Cell membrane and I are close. What am I? _____ I’m shaped in a sack for goodness sakes. I store salt, protein and carbohydrates. What am I? _____ Cell Riddles. I make ribosome’s. That’s my only job. The rest of the time . I sit there like a ... ................
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