Write a paragraph explaining the function of a cell wall and cell membrane and why plants have cell walls and animal cells do not. a good paragraph with good vocabulary

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

1. desertification

2. captive breeding

3. black rhinoceros

4. renewable resources

explanation:

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