The answer is A (1) Prokaryotes
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yeah otherwise it would have being abnormal
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Red blood cells makes up your body
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i think its C-Aa is that all?
Each enzyme has a particular shape so that it can attach to a substrate (molecule). So, during a chemical reaction, the enzyme and substrate join together, and then the substrate is changed in some way depending what the chemical reaction is doing? hope this helps a little.
