Download Macromolecules Quiz

1. Which of the following are building blocks of proteins?
A) amino acids
B) monosaccharides
C) nucleotides
D) peptides
E) fatty acids
2. Which macromolecule catalyzes chemical reactions, thus be considered an enzyme?
A) ribonucleic acids
B) deoxyribonucleic acids
C) lipids
D)polysaccharides
E)proteins
3. How does RNA and DNA differ?
A) type of sugar they contain
B) how many strands they contain
C) by the bases they contain
D) by their function
E) all of these
4. Which of the following best describes the formation of a macromolecule?
A) removal of water to form a hydrogen bond
B) addition of water to form an ionic bond
C) the removal of water to form an ionic bond
D) the addition of water to form a covalent bond
E) none of these
5. About how many typical amino acids are found?
A) 4
B) 16
C) 20
D) 64
E) 1096
6. Which level of protein organization is due to interactions between amino acid side chain
groups?
A) primary
B) secondary C) tertiary
D) quaternary
E) all of these
7. When a protein is boiled, it loses all levels of organization besides the primary level. When
this happens, the protein is said to be:
A) hydrolyzed
B) lysed
C) denatured D) dehydrated
8. Ribose, the sugar found in RNA, contains 5 carbons, and is thus considered a(n):
A) disaccharide
B) pentose
C) hexose
D) amino acid
E) polyol
9. What is the generalized structure of a carbohydrate?
A) (CH2O)n
B) (CH4)n
C) (C3H7O)n
10. Phospholipids have:
A) two hydrophobic tails and one hydrophilic head
B) two hydrophilic tails and one hydrophobic head
C) one hydrophobic tail and one hydrophilic head
D) three hydrophobic tails and one hydrophilic head
E) two hydrophilic heads and one hydrophobic tail
11. Glycogen is _____.
A) the form in which plants store sugars
B) a polysaccharide found in animals
C)a polysaccharide found in plant cell walls
D) (CCN)n
E) none
D) a transport protein that carries oxygen
E)a source of saturated fat
12. glucose + glucose —> _____ by _____.
A) lactose + water ... hydrolysis
B) starch + water ... dehydration synthesis
C) sucrose + water ... dehydration synthesis
D) cellulose + water ... hydrolysis
E) maltose + water ... dehydration synthesis
13. Which of these is a source of lactose?
A) sugar beets
B) milk
C) potatoes
D) sugar cane
E) starch
14. Which of these is a polysaccharide?
A) sucrose
B) glucose
C) galactose
D) lactose
E) cellulose
15. Which of these is NOT a lipid?
A) phospholipid
B) cholesterol
C) steroids
D) RNA
E) wax
16. This figure is an example of a(n) _____. (Activity 5D)
A) nucleic acid
B) protein
C) saturated fat
D) unsaturated fat
E) steroid
17. Which of these is a phospholipid? (Activity 5D)
A)
B)
C)
D)
E)
18. Which of these is rich in unsaturated fats?
A) a fat that is solid at room temperature
B) butter
C) beef fat
D)lard
E)olive oil
19. A function of cholesterol that does not harm health is its role _____.
A) in calcium and phosphate metabolism
B) as a component of animal cell membranes
C) as the primary female sex hormone
D) the most abundant male sex hormone
E) All of cholesterol's effects cause the body harm.
Matching
20) ______disaccharide
21) ______ orange
it
22) ______ cellulose
23)______monosaccharide
24)_______ monosaccharides
a: What type of carbohydrate is galactose?
b: a polysaccharide that gives plants their strength;
is also dietary fiber
c: What type of carbohydrate is lactose?
d: these are the monomers of carbohydrates
e: The color of a positive benedicts test (test for
monosacharides) is ___________.
Matching--Select the macromolecule that best matches the statement. Letters may be used once,
more than once or not at all.
a. Proteins
b. Carbohydrates
c. Lipids
d. Nucleic Acids
1. These macromolecules possess large nonpolar regions making them insoluble in water.
2. This macromolecule is composed of amino acid subunits.
3. This macromolecule is composed monomer units containing a sugar, a phosphate group, and a
nitrogen-containing base.
4. Composed of monosaccharide monomer units.