NSC 101 exam 2 questions & answers 2024/2025

NSC 101 exam 2 questions & answers 2024/2025 Carbohydrates are the first link in the food chain and are obtained almost exclusively from Select 1. Through Select 2, plants combine carbon dioxide, water, and the sun's energy to form Select 3, from which the human body can obtain energy. Carbohydrates are made of carbon, hydrogen, and Select 4. - ANSWERS1. plants 2. photosynthesis 3. glucose 4. oxygen What is a disaccharide comprising glucose and galactose? - ANSWERSlactose A general term for a complex carbohydrate or a long strand of glucose units linked together is Select 1. Plants store glucose as Select 2, whereas humans store glucose as Select 3. The most abundant source of glucose on earth, Select 4, cannot be digested by humans. - ANSWERS1. polysaccharide 2. starch 3. glycogen 4. cellulose What does the human brain prefer to metabolize as its energy source? - ANSWERScarbohydrates Evidence suggests that foods rich in fiber can improve heart health. Which food item is the best choice to lower your blood cholesterol level and reduce cardiovascular disease risk? - ANSWERSoatmeal Starch that you eat is first broken down in the Select 1. and then the Select 2, where absorption occurs, and these monosaccharides can then be converted into glucose in the Select 3, before going out to the cells of the body. - ANSWERS1. mouth 2. small intestine 3. liver