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Answer:</h2>
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<em><u>Chloroplasts</u></em></h3>
<em><u>Chloroplasts and mitochondria are energy-converting organelles in the cytoplasm of eukaryotic cells. Chloroplasts in plant cells perform photosynthesis; the capture and conversion of the energy of sunlight.</u></em>
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<em><u>Hope</u></em><em><u> this</u></em><em><u> helps</u></em><em><u> you</u></em><em><u> </u></em><em><u>❤️</u></em></h2>
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<em><u>Mark</u></em><em><u> me</u></em><em><u> as</u></em><em><u> brainliest</u></em><em><u> ❤️</u></em></h2>
Answer:
due to the rate of blood circulation
Different enzymes have specific active sites which can only catalyze one <span>substrate. Enzyme-substrate complexes are produced only when the substrate fits into the active site :)</span>