Question

Describe one important piece of machinery in plant cells, and how that machinery helps keep plant cells alive. Pleas help. This is a school assignment.
(This is 7th grade science).

Answer 1

I hope this counts - cell wall! helps keep most materials out but allows specific materials to pass through. animal cells do not have a cell wall

Answer 2

Answer:

Cytoplasm

Explanation:

The Cytoplasm is a Jelly-like substance, where chemical reactions take place.