BIOCHEM FINAL EXAM 2026/2027 QUESTIONS
AND ANSWERS GRADED A+
T/F: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of
digesting macromolecules.
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.
true
T/F: Carbon dioxide has a linear molecular shape AND has a bond angle of 109.5
degrees.
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
Forming ionic bonds
T/F: According to the module, a compound with a molecular mass of 1,000 g/mol
is considered a macromolecule.
false
macromolecule >5,000 g/mol
T/F: Biomolecules can have two or more different functional groups.
true
T/F: The following group is an amine.
C2H5NH2
true
Which of the following is an element not typically found in living organisms?
, Br
Ca
H
S
Na
Br
What are the functional groups found in carbohydrates?
carbonyls (C=O)
alcohol/hydroxyls (-OH)
ketones
aldehydes
What is a ketone?
carbonyl group bonded to 2 carbons
A ___ is a chemical formula that shows how the atoms of a molecule are bonded to
one another.
Kekule' structure
A _____ is a chemical formula that does NOT show the C-H and C-C bonds.
AND ANSWERS GRADED A+
T/F: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of
digesting macromolecules.
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.
true
T/F: Carbon dioxide has a linear molecular shape AND has a bond angle of 109.5
degrees.
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
Forming ionic bonds
T/F: According to the module, a compound with a molecular mass of 1,000 g/mol
is considered a macromolecule.
false
macromolecule >5,000 g/mol
T/F: Biomolecules can have two or more different functional groups.
true
T/F: The following group is an amine.
C2H5NH2
true
Which of the following is an element not typically found in living organisms?
, Br
Ca
H
S
Na
Br
What are the functional groups found in carbohydrates?
carbonyls (C=O)
alcohol/hydroxyls (-OH)
ketones
aldehydes
What is a ketone?
carbonyl group bonded to 2 carbons
A ___ is a chemical formula that shows how the atoms of a molecule are bonded to
one another.
Kekule' structure
A _____ is a chemical formula that does NOT show the C-H and C-C bonds.