BIOCHEMISTRY
ENZYMES AND METABOLISM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A No, something else must be wrong because his cells have all the molecules they need.
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B Yes, his digestive system is breaking down starch molecules, but his respiratory system may not be working properly.
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C Yes, his respiratory system is working, but his digestive system is not getting energy from combining glucose molecules.
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D Yes, his digestive system is working, but his respiratory system is not breaking down oxygen, so his body stopped making energy.
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Detailed explanation-1: -Raoul feels tired, so his doctor gave him a test and found that Raoul’s cells contained glucose molecules, but they did not contain enough oxygen molecules. Does this explain why Raoul feels tired? No, his digestive system is breaking down starch molecules, but his respiratory system may not be working properly.
Detailed explanation-2: -No, as long as the person’s cells are getting different types of molecules from food, he can still exercise. No, the person’s cells may not have everything they need, but his body can still exercise normally.
Detailed explanation-3: -The oxygen, glucose, and amino acid molecules you get from air and food are the fuel your body needs to function every day. Without these molecules, your cells can’t do what they need to do to keep your body healthy.
Detailed explanation-4: -Q. An athlete thinks that she can exercise as long as she eats different types of food because her body just needs different types of food molecules to work properly. Is the athlete correct? Yes, her cells only work when they have molecules from different types of food.
Detailed explanation-5: -What is one way doctors will be able to tell whether her body is healthy enough to do all her tasks while she is in the submarine? The doctors could see if her cells are getting the molecules they need from food and air.