The only sugar structure that does NOT contain chiral carbon atom a. Erythrose b. Erythroluse c. Glyceraldehyde d. Dihydroxyacetone
Answer questions 4, 5, and 7
4. The only sugar structure that does NOT contain chiral carbon atom
a. Erythrose
b. Erythroluse
c. Glyceraldehyde
d. Dihydroxyacetone
5. The simplest class (with an example) of carbohydrates
a. Oligosaccharides :Trehalose c. Disaccharides : Lactose
b. Monosaccharides : Sorbose d. Polysaccharides : Starch
6. What form must all carbohydrates be in for cells to use them as an energy source
making it the most abundant inside the body?
a. Glycogen c. Glucose
b. Fructose b. Ribose
7. Polysaccharides are
a. Sachharide units that contain 3 to 10 units
b. the simplest sugar units
c. Saccharides with 2 sugar units joined through glycosidic linkage
d. class of carbohydrates is considered as non-sugar
8. Which of the following glycosidic linkage is found in maltose?
a. Glucose (α-1 – 2β) Fructose
b. Glucose (α1 – 4) Glucose
c. Galactose (β1 – 4) Glucose
d. Glucose (β1 – 4) Glucose
9. Choose the statement/s that is/are correct
a. cellulose are usually found in woody parts of the plants
b. glycogen, major storage form of glucose in animals
c. Chitin found in exoskeleton of crustaceans
d. starch structural form of sugar in plants
10. Why are carbohydrates the body\'s preferred source of energy? Because they...
a. Are inexpensive to buy
b. can be used as efficient fuel
c. are long term storage of energy
d. They are plentiful in the diet
11. Which of the following painrs of sugar/s and description is/are incorrect?
a. xylose: Glycoprotein constituent considered as wood sugar.
b. Lyxose: Sugar that may be clinically significant for preventing UTI
c. Ribose: Hexose
d. Erythrose: Aldotetrose sugar
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