Enzymes are catalysts that can be used more than once. If a substance needs to get broken down then it can use the corresponding enzyme to attach itself and break it down into simpler substances. After this is gone, the next substance might come up and attach itself to the enzyme like a lock-and-key model.
Therefore the answer is A) Enzymes accelerate chemical reactions without getting used up in the process.
<span>They are Carbohydrates.</span>
When a tourist told him that each turtles look different on the island
Answer: capillary
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Answer: Lipids provide long-term energy storage for the body, while carbohydrates provide quickly available energy.
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