Rainbow asked in 社會與文化語言 · 1 decade ago

因為老師出了一些有關糖類的題目,可以幫我解答嗎?

1. The basic chemical formula for a carbohydrate is

A) CH2O.

B) CH2N2.

C) CHO2.

D) C2H2O2.

3. The chemical structures of which two monosaccharides are the most similar?

A) glucose, ribose

B) glucose, fructose

C) galactose, glucose

D) fructose, galactose

D) regular soft drinks.

14. Compared to other sugars, sugar alcohols are

A) found in almost all foods.

B) more easily synthesized by the body.

C) the preferred fuel source for the nervous system.

D) absorbed more slowly.

15. What is formed when two monosaccharides undergo condensation?

A) carbon dioxide

B) carbon monoxide

C) starch

D) water

32. Where does disaccharide breakdown occur in the digestive tract?

A) mouth

B) stomach

C) pancreatic duct

D) microvilli

36. Which hormone regulates blood glucose?

A) glucagon

B) epinephrine

C) insulin

D) all of the above

37. What substance is the primary fuel for the brain and other nerve cells?

A) fatty acids

B) amino acids

C) glucose

D) ketones

44. A woman expending 1,600 kilocalories a day consumes a diet that supplies 120 grams of carbohydrate. How does her carbohydrate intake compare to the AMDR?

A) Her intake is less than recommended.

B) Her intake falls into the recommended range.

C) Her intake is greater than recommended.

D) There is no AMDR for carbohydrate.

46. Which of the following foods is a major contributor to sugar consumption in the United States?

A) legumes

B) fruit

C) meat

D) soft drinks

這些題目是老師出ㄉ,因為找不到正確解答所以上來尋求協助,謝謝你們麼回答喔~~~~

1 Answer

Rating
  • Takuko
    Lv 7
    1 decade ago
    Favorite Answer

    1. The basic chemical formula for a carbohydrate is A) CH2O. think C6H12O6 (glucose) 1:2:1 ratioB) CH2N2. C) CHO2. D) C2H2O2. 3. The chemical structures of which two monosaccharides are the most similar? A) glucose, ribose B) glucose, fructoseC) galactose, glucose -- only differ by one stereocenter, go find pictures and you will see how they only differ by arrangement of one OH groupall the others have differently shaped ring structureD) fructose, galactose 14. Compared to other sugars, sugar alcohols areA) found in almost all foods. B) more easily synthesized by the body. C) the preferred fuel source for the nervous system. D) absorbed more slowly. 15. What is formed when two monosaccharides undergo condensation? A) carbon dioxide B) carbon monoxideC) starchD) water -- condensation means removal of water32. Where does disaccharide breakdown occur in the digestive tract? A) mouth B) stomach C) pancreatic duct D) microvilli -- small intestine36. Which hormone regulates blood glucose? A) glucagon B) epinephrine C) insulin D) all of the above 37. What substance is the primary fuel for the brain and other nerve cells? A) fatty acids B) amino acids C) glucose D) ketones 44. A woman expending 1,600 kilocalories a day consumes a diet that supplies 120 grams of carbohydrate. How does her carbohydrate intake compare to the AMDR? A) Her intake is less than recommended. -- (120x4) / 1600 = 0.3 = 30% (AMDR for CHO is 45~65%)B) Her intake falls into the recommended range. C) Her intake is greater than recommended. D) There is no AMDR for carbohydrate. 46. Which of the following foods is a major contributor to sugar consumption in the United States? A) legumes B) fruit C) meat D) soft drinks

    Source(s): Nutrition Text
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