What is the function of the cell wall? to protect and support the cell

to prevent water from passing through it

to perform different functions

to prevent oxygen from entering and existing

to protect and support the cell

Explanation:

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the calvin cycle has three stages. in stage 1, the enzyme rubisco incorporates carbon dioxide into an organic molecule. in stage 2, the organic molecule is reduced. in stage 3, rubp, the molecule that starts the cycle, is regenerated so that the cycle can continue