1.3 Biomolecules

2. Fats are major constituents of

• a. proteins
• b. genes
• c. photosynthesis
• d. cell membranes
• e. all of these

3. Typical fat molecules have ____ chain(s).

• a. 1
• b. 2
• c. 3
• d. 4
• e. 5

4. A single atom of carbon may form up to ____ covalent bonds

• a. 2
• b. 3
• c. 4
• d. 5
• e. 6

Tags

NGSS.HS-LS1-6

6. A hydrolysis reaction results in

• a. formation of a macromolecule

• b. bond breakage

• c. lipid molecule

• d. nucleic acids

• e. proteins

7. An −OH group is a(n) ____ group.

• a. carboxyl
• b. hydroxyl
• c. amino
• d. methyl
• e. carbonyl

8. An −NH2 group is a(n) ____ group.

• a. carboxyl
• b. hydroxyl
• c. amine
• d. methyl
• e. carbonyl

9. What kind of reaction produces large molecules by linking small molecules

• a. oxidation
• b. reduction
• c. dehydration

• d. hydrolysis
• e. decarboxylation

Tags

NGSS.HS-LS1-6

10. Monosaccharides may be characterized by all EXCEPT...

• a. a 1:2:1 ratio

• b. carbon, hydrogen and oxygen

• c. a backbone of five to six carbon atoms

• d. a ring shape

• e. the presence of glycerol

11. Fructose and glucose are

• a. isotopes
• b. monosaccharides
• c. disaccharides
• d. six-carbon sugars
• e. BOTH monosaccharides and six-carbon sugars

13. Glucose and fructose

• a. form rings with the same number of sides

• b. both have two oxygen atoms as part of their ring structure

• c. both have identical functional groups

• d. contain the same number of carbon atoms

• e. are disaccharides