The answer Would Be B
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the body has levels of organisms that built on each other cells make up tissues, tissues make up organs, and organs make up organs system the function of an organs system
depends on the the integrated activity of it organs for instance digestive system organs corporate to process food
The offspring could receive either D or d.
Enzymes are biological catalysts. Catalysts work by lowering the amount of energy required to set off a chemical reaction.
Why is the active site specific for only one type of substrate? Enzymes have a lock and key type fit so only a specific substrate fits in the activation site.