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PBS – 2.2.3

Macromolecules Quiz

Name: _________________________

1. Which of the following make up the backbones of macromolecules? a. Carbon, nitrogen, phosphorus b. Carbon, nitrogen and oxygen c. Carbon hydrogen and oxygen d. Carbon, hydrogen and water

2. A chemical process that splits a molecule by adding water. a. Homeostasis b. Hydrolysis c. Dehydration d. Polymer 3. Which statement is true? a.

Simple sugars are made of polysaccharides

b. Glycerol is made of fatty acids c. Proteins are made of amino acids d. Amino acids are made of proteins

4. A lipid contains: a. Three fatty acids and a glycerol b. Three amino acids and a glycerol c. Three fatty acids d. Three fatty acids linked to a nitrogen bond


5. A _____________ is a three dimensional polymer made of monomers of amino acids. a. Lipid b. Protein c. Glucose d. DNA/RNA

6. A by-product of dehydration synthesis is a. Carbon dioxide b. Hydrogen c. Oxygen d. Water

7. The four macromolecules are

a. proteins, carbohydrates, sugars, and lipids b. proteins, carbohydrates, lipids, and nucleic acids c. proteins, carbohydrates, enzymes, and lipids d. proteins, carbohydrates, lipids, and monosaccharides Choose the macromolecule C 窶田arbohydrate, L - lipids and P - protein that matches the description below. 8. _____

Build, maintain and repair body tissues

9. _____

Main energy compound in the body

10. _____

Non-polar, hydrophobic group of compounds

11. _____

made of glycerol and fatty acids

12. _____

made of amino acids

13. _____

made of mono-,di- and polysaccharides


14. _____

source of ATP

15. _____

shape determines its function

Matching: Match the name of the molecule with the diagram and name which class of macromolecules it belongs.

A.

B.

C.

D.

E.


16. ________Amino Acid

________________

17. ________Disaccharide

________________

18. ________Monosaccharide

________________

19. ________Lipid

________________

20. ________Polysaccharide

________________


2 2 3 macro quiz