Download Quiz Chapter 5 Organic Molecules

Chapter 5: Carbon Compounds in Cells
Name
AP Biology
Date
Mr. Mennecke
1. Which of the following terms includes all others in the list?
a.
b.
c.
d.
monosaccharide
polysaccharide
starch
carbohydrate
2. The molecular formula for glucose is C6H12O6. What would be the molecular formula for a
polymer made by linking ten glucose molecules together by condensation reactions
(dehydration synthesis)?
a. C60H120O60
d. C60H100O50
b. C6H12O6
e. C60H111O51
c. C60H102O51
3. Choose the pair of terms that completes this sentence:
Nucleotides are to ____________ as ___________ are to proteins.
a. nucleic acids; amino acids
b. amino acids; polypeptides
c. glycosidic linkages; polypeptides
d. genes; enzymes
e. polymers; polypeptides
4. Human sex hormones are classified as
a. proteins
b. steroids
c. amino acids
d. triacylglycerols
e. carbohydrates
5. Explain the following properties of protein structure.
a. primary structure:
b. secondary structure:
c. tertiary structure:
d. quaternary structure:
6. For a protein to have a quaternary structure it MUST
a.
b.
c.
d.
e.
have four amino acids
consist of two or more polypeptide chains
consist of four polypeptide chains
have at least four disulfide bridges
exist in several alternative conformational states
7. What usually happens to a protein when it denatures?
a. its primary structure is destroyed
b. its three dimensional shape unwinds
c. its peptide bonds break
d. its sequence of amino acids is changes order
e. its amino acid side chains fall off
Chapter 5: Carbon Compounds in Cells
8. Which of these terms includes all others in the list?
a. nucleic acid
b. nucleotide
c. nitrogenous base
d. purine (A & G)
e. pyrimidine (T & C)
9. Which of these terms includes all others in the list?
a. glycerol
b. fatty acid
c. hydrophobic tail region
d. hydrophilic head region
e. phospholipid
10. Which of these terms includes all others in the list?
a. amino acid
b. polypeptide
c. amino group
d. carboxyl group
e. peptide bond
11. What is the importance of phospholipids to cells?
12. Explain one important function of each carbohydrate below:
a. glucose
b. cellulose
c. glycogen
d. chitin
e. sucrose
13. The hydrolysis of maltose results in which of the following?
a. Two glucose molecules
b. Two fructose molecules
c. One glucose and one fructose molecule
d. Two amino acids
e. One glycerol and one fatty acid
14. Which of the following is a major storage carbohydrate in plants?
a. Cellulose
d. Amylose
b. Maltose
e. Glycogen
c. Fructose
Chapter 5: Carbon Compounds in Cells
15. A solution with a pH of 10 is how many times more basic than a solution with a pH
of 8?
a. 2
d. 100
b. 4
e. 1000
c. 10
16. A characteristic that all living things share is that
a. they manufacture their own nutrients.
b. they contain a cell wall.
c. they are composed of organic molecules.
d. they contain chloroplasts.
e. they contain cellulose.
17. Which of the following organic compounds is a polymer?
a. glucose
d. glycine
b. fructose
e. glycogen
c. lipid
18. All of the following are examples of organic compounds EXCEPT:
a. proteins
d. DNA
b. lipids
e. water
c. maltose
19. A particular polypeptide contains 90 amino acids. When the polypeptide is completely
hydrolyzed, how many water molecules are formed during this process?
a. 2
d. 89
b. 30
e 90
c. 45
20. All of the following qualities contribute to capillary action EXCEPT:
a. cohesion
d. hydrogen bonding
b. adhesion
e. glycosidic bonding
c. polarity
Directions: Each group of questions consists of five lettered headings followed by a list of
numbered phrases or sentences. For each numbered phrase or sentence, select the one heading
that is most closely related to it and fill in the corresponding oval on the answer sheet. Each
heading may be used once, more than once, or not at all in each group.
Questions 21-24
(A) Hydrogen bond
(B) Peptide bond
(C) Glycosidic bond
(D) Polarity
(E) Ester bond
21.
22.
23.
24.
Weak bonds formed between polar molecules
Bond formed between two monosaccharides
A bond that links two amino acids
A bond that links a fatty acid to a glycerol molecule
Chapter 5: Carbon Compounds in Cells
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