Download Organic Molecules - Dublin City Schools

Organic Molecules
Notecard Review
#1 Which of the following do nucleic acids and
proteins have in common?
a. They are both made of amino acids.
b. Their structures contain sugars.
c. They are hydrophobic
d. They are large polymers.
e. They each consist of four basic kinds of subunits
#1 Which of the following do nucleic acids and
proteins have in common?
a. They are both made of amino acids.
b. Their structures contain sugars.
c. They are hydrophobic
d. They are large polymers.
e. They each consist of four basic kinds of subunits
#2 Which of the following is an amino group?
a. -OH
b. -SH
c. -COOH
d. -C=O
e. -NH2
#2 Which of the following is an amino group?
a. -OH
b. -SH
c. -COOH
d. -C=O
e. -NH2
#3 Fatty acids are __________.
a. composed of four linked rings
b. nonpolar
c. composed of carbon,hydrogen, glycerol and a phosphate group
d. composed of carbon, hydrogen, and oxygen in 1:2:1 ratio
e. components of DNA
#3 Fatty acids are __________.
a. composed of four linked rings
b. nonpolar
c. composed of carbon,hydrogen, glycerol and a phosphate group
d. composed of carbon, hydrogen, and oxygen in 1:2:1 ratio
e. components of DNA
#4 In the following reaction, galactose is a _______.
galactose + glucose → lactose + water
a. polysaccharide
b. protein
c. lipid
d. monomer
e. polymer
#4 In the following reaction, galactose is a _______.
galactose + glucose → lactose + water
a. polysaccharide
b. protein
c. lipid
d. monomer
e. polymer
#5 _______ is a hydroxyl group.
a. -OH
b. -SH
c. -H
d. -NH2
e. -COOH
#5 _______ is a hydroxyl group.
a. -OH
b. -SH
c. -H
d. -NH2
e. -COOH
#6 Animals store carbohydrates as _________.
a. maltose
b. glycogen
c. glucose
d. cellulose
e. starch
#6 Animals store carbohydrates as _________.
a. maltose
b. glycogen
c. glucose
d. cellulose
e. starch
# 7 By definition, what type of fatty acid has a double
bond _________.
a. monoglyceride
b. steroid
c. unsaturated
d. triglyceride
e. saturated
# 7 By definition, what type of fatty acid has a double
bond _________.
a. monoglyceride
b. steroid
c. unsaturated
d. triglyceride
e. saturated
#8 What name is given to the following reaction?
sucrose + water → glucose + fructose.
a. hydrolysis
b. anabolism
c. glucogenesis
d. dehydration reaction
e. denaturation
#8 What name is given to the following reaction?
sucrose + water → glucose + fructose.
a. hydrolysis
b. anabolism
c. glucogenesis
d. dehydration reaction
e. denaturation
# 9 The following molecule is best described as a
_________.
CH3-Ch2-Ch2-Ch2
a. lipid
b. protein
c. hydrocarbon
d. nucleic acid
e. carbohydrate
# 9 The following molecule is best described as a
_________.
CH3-Ch2-Ch2-Ch2
a. lipid
b. protein
c. hydrocarbon
d. nucleic acid
e. carbohydrate
#10 Which of the following items is NOT a polymer
of glucose?
a. starch
b. glycogen
c. cellulose
d. lactose
#10 Which of the following items is NOT a polymer
of glucose?
a. starch
b. glycogen
c. cellulose
d. lactose
#11 The monomers used to synthesize proteins are
called:
a. nucleotides
b. amino acids
c. fatty acids
d. sugars
#11 The monomers used to synthesize proteins are
called:
a. nucleotides
b. amino acids
c. fatty acids
d. sugars
#12 Molecule shown below is:
a. a purine base
b. a pyrimidine base
c. a sugar
d. an amino acid
#12 Molecule shown below is:
a. a purine base
b. a pyrimidine base
c. a sugar
d. an amino acid
#13 Molecule shown below is:
a. a purine base
b. a pyrimidine base
c. a sugar
d. an amino acid
#13 Molecule shown below is:
a. a purine base
b. a pyrimidine base
c. a sugar
d. an amino acid
#14 Palm oil and coconut oil are more like animal
fats than plant oils. Because they __________ than
other plant oils, they can contribute to cardiovascular
disease.
a. contain fewer double bonds
b. are less saturated
c. contain more sodium
d. are less soluble in water
e. contain less hydrogen
#14 Palm oil and coconut oil are more like animal
fats than plant oils. Because they __________ than
other plant oils, they can contribute to cardiovascular
disease.
a. contain fewer double bonds
b. are less saturated
c. contain more sodium
d. are less soluble in water
e. contain less hydrogen
#15 How does DNA differ from RNA?
a. DNA is larger
b. One of their nitrogenous is different
c. They contain different sugars
d. DNA consists of two strands in a double helix
e. All of the above are correct
#15 How does DNA differ from RNA?
a. DNA is larger
b. One of their nitrogenous is different
c. They contain different sugars
d. DNA consists of two strands in a double helix
e. All of the above are correct
#16 Certain fatty acids are said to be essential
because the body cannot make them itself; they
must be obtained in the diet. If you diet were
deficient in these essential fatty acids, you would not
be able to tame certain?
a. fats
b. glycerol molecules
c. monosaccharides
d. proteins
e. You would not be able to make any of the above
#16 Certain fatty acids are said to be essential
because the body cannot make them itself; they
must be obtained in the diet. If you diet were
deficient in these essential fatty acids, you would not
be able to tame certain?
a. fats
b. glycerol molecules
c. monosaccharides
d. proteins
e. You would not be able to make any of the above
#17 The correct shorthand to symbolize a carboxyl
group is:
a. -NH2
b. -COOH
c. -OH
d. -C=O
e. -SH
#17 The correct shorthand to symbolize a carboxyl
group is:
a. -NH2
b. -COOH
c. -OH
d. -C=O
e. -SH
#18 Which of the following would probably NOT be
affected when a protein is denatured.
a. primary structure
b. secondary structure
c. hydrogen bonds
d. tertiary structure
e. All the above must be affected for the protein to be denatured
#18 Which of the following would probably NOT be
affected when a protein is denatured.
a. primary structure
b. secondary structure
c. hydrogen bonds
d. tertiary structure
e. All the above must be affected for the protein to be denatured
#19 Glucose and hexanoic acid each contain six
carbon atoms, but they have completely different
properties. Glucose is necessary in food;hexanoic
acid is poisonous. Their differences must be due to
different
a. monomers
b. macromolecules
c. hydrolysis
d. quaternary structures
e. functional groups
#19 Glucose and hexanoic acid each contain six
carbon atoms, but they have completely different
properties. Glucose is necessary in food;hexanoic
acid is poisonous. Their differences must be due to
different
a. monomers
b. macromolecules
c. hydrolysis
d. quaternary structures
e. functional groups
#20 Steve noticed that his friend Jon had gained a
little weight during the holidays. He comented,
“storing up some _______ for the winter, I see”
a. polysaccharides
b. triglycerides
c. nucleotides
d. polypeptides
e. steroids
#20 Steve noticed that his friend Jon had gained a
little weight during the holidays. He comented,
“storing up some _______ for the winter, I see”
a. polysaccharides
b. triglycerides
c. nucleotides
d. polypeptides
e. steroids
#21 How does glucose differ from sucrose, cellulose,
and starch?
a. It is a carbohydrate
b. It is larger
c. The others are polysaccharides
d. It is a monosaccharide
e. It contains carbon, hydrogen, and oxygen
#21 How does glucose differ from sucrose, cellulose,
and starch?
a. It is a carbohydrate
b. It is larger
c. The others are polysaccharides
d. It is a monosaccharide
e. It contains carbon, hydrogen, and oxygen
#22 Citric acid makes lemons taste sour. Which of
the following is a functional group that would cause a
molecule like citric acid to be acidic?
a. Hydroxyl
b. Hydrocarbon
c. Amino
d. Carbonyl
e. Carboxyl
#22 Citric acid makes lemons taste sour. Which of
the following is a functional group that would cause a
molecule like citric acid to be acidic?
a. Hydroxyl
b. Hydrocarbon
c. Amino
d. Carbonyl
e. Carboxyl