CHEM 210 Biochemistry Biochem Final
Exam with Questions and Correct
Answers
T/F: According to the module, a compound with a molecular mass of 1,000
g/mol is considered a macromolecule. - CORRECT ANSWERS false
macromolecule >5,000 g/mol
T/F: Biomolecules can have two or more different functional groups. -
CORRECT ANSWERS true
T/F: The following group is an amine.
C2H5NH2 - CORRECT ANSWERS true
T/F: In a eukaryotic cell, the organelles called peroxisomes serve the purpose
of digesting macromolecules. - CORRECT ANSWERS false
peroxisomes degrade dangerous/hazardous molecules, lysosomes degrade
macromolecules
T/F: In a eukaryotic cell, the organelles called lysosomes serve the purpose
of digesting macromolecules. - CORRECT ANSWERS true
T/F: Carbon dioxide has a linear molecular shape AND has a bond angle of
109.5 degrees. - CORRECT ANSWERS false
linear shape = 180 degrees
Of the following, ___ is not a property of carbon.
Forming ionic bonds
Forming cyclic structures
Forming multiple bonds
Forming bonds with oxygen
Bonding in long chains - CORRECT ANSWERS Forming ionic bonds
Which of the following is an element not typically found in living organisms?
, Br
Ca
H
S
Na - CORRECT ANSWERS Br
What are the functional groups found in carbohydrates? - CORRECT
ANSWERS carbonyls (C=O)
alcohol/hydroxyls (-OH)
ketones
aldehydes
What is a ketone? - CORRECT ANSWERS carbonyl group bonded to 2
carbons
A ___ is a chemical formula that shows how the atoms of a molecule are
bonded to one another. - CORRECT ANSWERS Kekule' structure
A _____ is a chemical formula that does NOT show the C-H and C-C bonds. -
CORRECT ANSWERS condensed formula
A collection of two or more macromolecules uniting is called a ___. -
CORRECT ANSWERS supramolecular complex
An organic compound with this structure, C=C, contains a ___ functional
group. - CORRECT ANSWERS alkene
What element has been called the superglue of the chemical world? -
CORRECT ANSWERS carbon (C)
What molecule is the most important for energy storage in cells? - CORRECT
ANSWERS ATP
What would be the approximate size of a human cell? - CORRECT ANSWERS
12 μm
For pentane, there are ___ carbon and ___ hydrogen atoms. - CORRECT
ANSWERS 5; 12
For butane, there are ___ carbon and ___ hydrogen atoms. - CORRECT
ANSWERS 4; 10
For an organic compound, which structure is the most efficient to draw? -
CORRECT ANSWERS line bond
Exam with Questions and Correct
Answers
T/F: According to the module, a compound with a molecular mass of 1,000
g/mol is considered a macromolecule. - CORRECT ANSWERS false
macromolecule >5,000 g/mol
T/F: Biomolecules can have two or more different functional groups. -
CORRECT ANSWERS true
T/F: The following group is an amine.
C2H5NH2 - CORRECT ANSWERS true
T/F: In a eukaryotic cell, the organelles called peroxisomes serve the purpose
of digesting macromolecules. - CORRECT ANSWERS false
peroxisomes degrade dangerous/hazardous molecules, lysosomes degrade
macromolecules
T/F: In a eukaryotic cell, the organelles called lysosomes serve the purpose
of digesting macromolecules. - CORRECT ANSWERS true
T/F: Carbon dioxide has a linear molecular shape AND has a bond angle of
109.5 degrees. - CORRECT ANSWERS false
linear shape = 180 degrees
Of the following, ___ is not a property of carbon.
Forming ionic bonds
Forming cyclic structures
Forming multiple bonds
Forming bonds with oxygen
Bonding in long chains - CORRECT ANSWERS Forming ionic bonds
Which of the following is an element not typically found in living organisms?
, Br
Ca
H
S
Na - CORRECT ANSWERS Br
What are the functional groups found in carbohydrates? - CORRECT
ANSWERS carbonyls (C=O)
alcohol/hydroxyls (-OH)
ketones
aldehydes
What is a ketone? - CORRECT ANSWERS carbonyl group bonded to 2
carbons
A ___ is a chemical formula that shows how the atoms of a molecule are
bonded to one another. - CORRECT ANSWERS Kekule' structure
A _____ is a chemical formula that does NOT show the C-H and C-C bonds. -
CORRECT ANSWERS condensed formula
A collection of two or more macromolecules uniting is called a ___. -
CORRECT ANSWERS supramolecular complex
An organic compound with this structure, C=C, contains a ___ functional
group. - CORRECT ANSWERS alkene
What element has been called the superglue of the chemical world? -
CORRECT ANSWERS carbon (C)
What molecule is the most important for energy storage in cells? - CORRECT
ANSWERS ATP
What would be the approximate size of a human cell? - CORRECT ANSWERS
12 μm
For pentane, there are ___ carbon and ___ hydrogen atoms. - CORRECT
ANSWERS 5; 12
For butane, there are ___ carbon and ___ hydrogen atoms. - CORRECT
ANSWERS 4; 10
For an organic compound, which structure is the most efficient to draw? -
CORRECT ANSWERS line bond
