Name_________________________________
Date____________
Block _______
Macromolecules
1. What are the three elements in all organic macromolecules: _____
2. What additional element is also in proteins?______
_____
_____
In nucleic acids?_____
3. What is a monomer of a protein called?_____________________
4. Match the following molecules with their structures below:
_____carbohydrate
_____lipid
_____amino acid
A.
C.
5. Circle which is represented by this structure?
_____nucleotide
B.
D.
Monosaccharide
unsaturated fat
Saturated fat
disaccharide
CH3CH2CH2CH2CH2CH=CHCH2CH=CHCH2CH2CH2CH2CH2CH2CH2COOH
6. Which type of bond is illustrated at the arrow? Sugar – sugar
peptide
phosphate-phosphate
What kind of macromolecule is it?______________
7. Circle the functional groups in the following and identify them by the molecule:
A. ____________
B. ____________
C._____________
D.____________
8. Match the form of glucose to where it is found:
A. Glycogen
B. starch
C. cellulose
_____storage form in plants
_____found in cell walls of plants
_____storage form in animals
9. Which of the following is NOT a function associated with proteins? (circle correct answer)
build/repair muscle
enzymes
genetic storage
structural material
10. What type of macromolecule is shown to the right? (circle correct answer)
disaccharide
11. C29H50O2 is a:
protein
carbohydrate
lipid
nucleic acid
lipid
protein
nucleic acid
12. There are 20 amino acids. How are they different from each other?____________________
13. What is the ratio of elements in a carbohydrate?_______________
14. What is the molecular formula of glucose?_________________
15. What macromolecule is involved in storing/transferring genetic information? ________________
16. How can you tell a saturated fat in the grocery store from an unsaturated one?
17. Which of the following does not belong with the others? (CIRCLE)
Polypeptide
protein
monosaccharide
amino acid chain
18. What is the monomer of a lipid?_________________________________________
19. What is the main element that makes up all organic compounds? _________
20. Macromolecules are formed of small subunits called ________________, when several of these
subunits are linked together they form a ____________________.
21. Which macromolecule can serve as an enzyme?
carbohydrate
lipid
protein
nucleic acid
22. ___________________ _____________________ is the process that adds water to break down
polymers into monomers.
23. _____________________ is the process that removes water to link monomers together, forming a
polymer.
24. What is the monomer of a carbohydrate called? _____________________
25. What is the monomer of a nucleic acid called? ______________________
26. What three things compose a nucleotide? _______________ ________________ ______________
27. Would the chemical structure of butter contain any double bonds?
How do you know?
28. Would the chemical structure of olive oil contain any double bonds?
How do you know?
29. Classify the following as carbohydrate, lipid, protein or nucleic acid:
____________________ starch
____________________ monosaccharide
____________________ cholesterol
____________________ cellulose
____________________ steroid
____________________ saturated fat
____________________ glycogen
____________________ amino acid
____________________ unsaturated fatty acid
____________________ nucleotide
____________________ polysaccharide
____________________ polypeptide chain
____________________ phospholipid
____________________ glucose
____________________ DNA
____________________ RNA
30. You notice a thin layer of a substance that is slimy and doesn’t mix with water. It is also liquid at
room temperature, and was found in the kitchen. You may infer that it is EXACTLY what type of
macromolecule? (Be specific)
31. Your best friend tells you that they are deathly allergic to certain amino acids in food. Your mom
has prepared dinner already, so you need to tell her not to serve what type of macromolecule to them?
32. What type of carbohydrate is found in plant cell walls? ____________________
33. What type of macromolecule is collagen? _________________ Where is it found? ______________
34. What type of macromolecule is DNA? ___________________
Is it single or double stranded? _____________
35. Identify the specific macromolecule from each description below.
Carbohydrate
Lipid
Protein
Nucleic Acid
________________________________ provides long-term energy storage for animals
________________________________ provides immediate energy
________________________________ composed of nucleotides
________________________________ contains C, H, O, N and P
________________________________ forms the cell membrane of all cells
________________________________ speeds up chemical reactions by lowering activation energy
________________________________ maltose
________________________________ composed of amino acids
________________________________ contains C, H and O in a 1:2:1 ratio
________________________________ stores genetic information
________________________________ glycerol + 3 fatty acids
________________________________ polysaccharide
________________________________ forms the cell wall of plant cells
________________________________ main component of cell membranes
________________________________ controls protein synthesis
________________________________ contains C, H, O and N