Giving brainiest please answer asap What are enzymes AND why are they needed for photosynthesis and cellular respiration? (Explain)

Enzymes are proteins that act as biological catalysts. Catalysts accelerate chemical reactions. The molecules upon which enzymes may act are called substrates, and the enzyme converts the substrates into different molecules known as products

Explanation:

To photosynthesis,This reaction is catalyzed by the enzyme ribulose-1,5-bisphosphate carboxylase/oxygenase, much more memorably known as Rubisco. This enzyme is believed to be the most abundant protein in the world, given that it is present in all plants that undergo photosynthesis.

To cellular respiration,The key players in glycolysis are the enzyme dehydrodgenase and a coenzyme (non-protein helper) called NAD+. Dehydrodgenase oxidizes glucose by stripping two electrons from it and transferring them to NAD

Enzymes are proteins that catalyze, or affect the rate, of chemical reactions without themselves being altered in the process. Specific enzymes catalyze each cellular reaction. The main role of enzymes during the respiration reaction is to assist in transferring electrons from one molecule to another

option a and d is the correct answer

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answer: b: experiments that showed that all cells are similar in how they metabolize and in their composition

explanation: