BSC1010C Review Exam #1 (Section I: Multiple choice,
about 25 questions Section II: Matching- study worksheet
done in class, about 10-15 Section III: 3-5 essay questions 3
required worth 10 points each) Questions With Complete
Solutions
Water has an unusually high specific heat. What does this mean?
a)At its boiling point, water changes from liquid to vapor.
b)A large amount of heat is required to raise the temperature of
water.
c)Ice floats in liquid water.
d)Salt water freezes at a lower temperature than pure water.
e)Floating ice can insulate bodies of water.
b)A large amount of heat is required to raise the temperature of
water.
What type of chemical bond joins a functional group to the
carbon skeleton of a large molecule?
a)covalent bond
b)hydrogen bond
c)ionic bond
d)double bond
e)disulfide bond
a)covalent bond
Which type of molecule may contain sulfhydryl groups?
a)carbohydrate
b)DNA
,c)protein
d)all of the above
c)protein
What kind of bond would be present in a completely flat section
of a biological molecule?
a)single bond
b)double bond
c)triple bond
d)b or c
e)a or c
d)b or c
The disappearance of which functional group would most
adversely affect protein shape?
a)carbonyl
b)carboxyl
c)sulfhydryl
d)phosphate
e)hydroxyl
c)sulfhydryl
Polymers are made of monomer subunits that are joined by what
type of bonds?
a)ionic bonds
b)covalent bonds
c)hydrogen bonds
d)hydrophobic bonds
b)covalent bonds
, Lipids cannot be considered polymers because
a)they contain polar covalent bonds.
b)their structure includes carbon rings.
c)they can be artificially created.
d)their monomers are connected via ionic bonds.
e)they are not composed of monomer subunits.
e)they are not composed of monomer subunits.
The chemical bonds present in a molecule contribute to the
properties of the molecule. Carbon is an unusual atom in that it
can form multiple bonds. Which statement is not true?
a)A carbon-to-carbon cis double bond is the type found in nature
and is associated with cardiovascular health.
b)A carbon-to-carbon trans double bond that is made artificially
in food processing is associated with poor cardiovascular health.
c)A carbon-to-carbon double bond in the cis configuration
creates a bend in the hydrocarbon chain.
d)Saturated fats are those that have carbon-to-carbon double
bonds and are associated with good health.
d)Saturated fats are those that have carbon-to-carbon double
bonds and are associated with good health.
All lipids
a)are made from glycerol and fatty acids.
b)contain nitrogen.
c)have low energy content.
d)are acidic when mixed with water.
e)do not dissolve well in water.
e)do not dissolve well in water.
about 25 questions Section II: Matching- study worksheet
done in class, about 10-15 Section III: 3-5 essay questions 3
required worth 10 points each) Questions With Complete
Solutions
Water has an unusually high specific heat. What does this mean?
a)At its boiling point, water changes from liquid to vapor.
b)A large amount of heat is required to raise the temperature of
water.
c)Ice floats in liquid water.
d)Salt water freezes at a lower temperature than pure water.
e)Floating ice can insulate bodies of water.
b)A large amount of heat is required to raise the temperature of
water.
What type of chemical bond joins a functional group to the
carbon skeleton of a large molecule?
a)covalent bond
b)hydrogen bond
c)ionic bond
d)double bond
e)disulfide bond
a)covalent bond
Which type of molecule may contain sulfhydryl groups?
a)carbohydrate
b)DNA
,c)protein
d)all of the above
c)protein
What kind of bond would be present in a completely flat section
of a biological molecule?
a)single bond
b)double bond
c)triple bond
d)b or c
e)a or c
d)b or c
The disappearance of which functional group would most
adversely affect protein shape?
a)carbonyl
b)carboxyl
c)sulfhydryl
d)phosphate
e)hydroxyl
c)sulfhydryl
Polymers are made of monomer subunits that are joined by what
type of bonds?
a)ionic bonds
b)covalent bonds
c)hydrogen bonds
d)hydrophobic bonds
b)covalent bonds
, Lipids cannot be considered polymers because
a)they contain polar covalent bonds.
b)their structure includes carbon rings.
c)they can be artificially created.
d)their monomers are connected via ionic bonds.
e)they are not composed of monomer subunits.
e)they are not composed of monomer subunits.
The chemical bonds present in a molecule contribute to the
properties of the molecule. Carbon is an unusual atom in that it
can form multiple bonds. Which statement is not true?
a)A carbon-to-carbon cis double bond is the type found in nature
and is associated with cardiovascular health.
b)A carbon-to-carbon trans double bond that is made artificially
in food processing is associated with poor cardiovascular health.
c)A carbon-to-carbon double bond in the cis configuration
creates a bend in the hydrocarbon chain.
d)Saturated fats are those that have carbon-to-carbon double
bonds and are associated with good health.
d)Saturated fats are those that have carbon-to-carbon double
bonds and are associated with good health.
All lipids
a)are made from glycerol and fatty acids.
b)contain nitrogen.
c)have low energy content.
d)are acidic when mixed with water.
e)do not dissolve well in water.
e)do not dissolve well in water.
