Answer:
enzymes are special proteins that increase the rate of a reaction by decreasing the amount of energy needed to get a reaction started
<span>Extraction of DNA is important because of many reasons. With the ability to remove DNA from an organism, scientists can observe, manipulate, and classify the DNA.
Scientists can identify genetic disorders or diseases from studying DNA.
Scientists can possibly find cures for these causes by manipulating or experimenting with this DNA.
Scientists can accurately sort organisms into classes because of DNA uniqueness. If we didn't have DNA extraction, it would be a lot harder to decide which organisms are different from each other.
Scientists can genetically engineer some organisms to produce beneficial things. A common example is that of insulin. Scientists can genetically engineer insulin production so that people with diabetes can live longer.</span>
It has to be a, b or d then.
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The answer to this would be a SMALL INTESTINE. The small intestine is the major site for the absorption of nutrients. Nutrients include different vitamins and minerals that are extracted from the foods that we eat. How absorption is possible in this site is the presence of e<span>pithelial cells of the villi. Hope this helps.</span>
I think the answer is D. A good indicator is the resting heart rate. Exercise strengthen your heart and it makes it more efficient. The resting heart rate shows of the heart is pumping blood normally each time it contracts. Having a normal resting heart rate would mean a healthy heart.
