Name________________________________________________Date_______________Period______
Biochemistry Unit Exam Review – Just the basics
1. What do each of the following symbols represent? C _________________
H_________________ O __________________ N____________________P_________________
Carbohydrates
CHO
Source of energy
Bread, fruit,
pasta
Monomer:
monosaccharide




2.
3.
4.
5.
6.
7.
8.
9.
Lipids





CHO
Store energy
Wax, oil, butter
Monomer:
1 glycerol, 3
fatty acids
Protein





Nucleic Acids
CHON
Build cells,
metabolism
Meat, muscle, milk
Monomer:
Amino acids





CHONP
Genetic
information
DNA, RNA; ATP
Monomer:
Nucleotide
A chain of monosaccharides is a ________________________________.
A chain of amino acids is a _______________________.
A chain of nucleotides is a _________________________________.
A chain of fatty acids makes a ____________________.
What elements are carbohydrates made ot? __________________________________________.
What elements are lipids made of? ___________________________________________________.
What element inside proteins is different from lipids and carbohydrates? _______________.
What element inside nucleic acids is different from lipids and proteins? _________________.
Elements make up molecules. Molecules make up macromolecules.
10. Which of the following is an example of a molecule without carbon?
(Circle one: Hydrogen, water, or protein)
11. Which of the following is an example of a macromolecule?
(Circle one: Hydrogen, water or protein)
12. Circle the smallest of the following: element, molecule, or macromolecule.
13. Circle the largest of the following: element, molecule, or macromolecule.
Monosaccharide = one sugar (glucose)
Disaccharide = two sugars (maltose)
Polysaccharide = three or more sugars (starch)
Starch
What macromolecules are you made of?
Carbohydrates, Lipids, Proteins, and Nucleic Acids.
Glucose
Maltose
Sugars end in “ose”
Enzyme
Type of protein
Speeds up chemical reactions
Specific for substrate
14. When 2 monosaccharides join together they form a ___________________________.
15. When 3 or more monosaccharides join together they form a ____________________.
Enzyme
- protein
- speeds up chemical reactions
- specific for substrate
- ends in “ase”
Name________________________________________________Date_______________Period______
16. What type of macromolecule is an enzyme? __________________________________
17. Enzymes (circle one: speed up or slow down) chemical reactions.
18. Are enzymes picky when they bond to substrates? (circle one: yes or no)
19. Where do substrates bond to enzymes? At the _____________ ______________.
20. The substrate that bonds to the enzyme is known as the (circle one: reactant or
product)
21. Once the substrate is broken down by the enzyme it is known as the (circle one
reactant or product).
22. Glucose and fructose are examples of (circle one: sugars or enzymes)
23. Lactase and catalase are examples of (circle one: sugars or enzymes)
24. Complete the table with the answer choices:
Macromolecule
Monomer
Carbohydrate
Protein
Lipid
Nucleic Acid
STUDY STUDY STUDY STUDY STUDY STUDY STUDY STUDY STUDY STUDY STUDY STUDY STUDY!!
Dehydration Synthesis
Dehydration = removal of water
Synthesis = join together
Glucose + Glucose  Maltose + H2O
Hydrolysis
Hydro = water
Lysis= to separate
Maltose + H2O  Glucose + Glucose
25. When 2 molecules join and water is lost the process is called _______________
____________________.
26. When 2 molecules split when water is brought back in the process is called
_________________.
27. What does dehydration mean? ____________________
28. What does synthesis mean? ________________________
29. What does hydro mean? ___________________________
30. What does lysis mean? _____________________________