Portage Learning Biochemistry Final Exam
Prep – Practice Questions & Verified Answers
| Latest Update 2026 | Graded A+
True or False: According to the Module, a compound with a molecular mass of 1,000
g/mol is considered a macromolecule. - correct answerFalse
True or False: Biomolecules can have two or more different functional groups. - correct
answerTrue
True or False: The following functional group is an amine.
C2H5NH2 - correct answerTrue
True or False: In a eukaryotic cell, the organelles called peroxisomes serve the purpose
of digesting macromolecules. - correct answerFalse
True or False: Carbon dioxide has a linear molecular shape AND has a bond angle of
109.5o. - correct answerFalse
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 answerForming ionic bonds
Which of the following is an element not typically found in living organisms?
Br
Ca
H
S
Na - correct answerBr
_____________ is a functional group found in carbohydrates. - correct answerAlcohols
The following functional group is an example of _________.
Ch3COCH2CH3 - correct answerKetone
, A ___________ is a chemical formula that shows how the atoms of a molecule are
bonded to one another. - correct answerKekule' structure
A collection of two or more macromolecules uniting is called a _______. - correct
answerSupramolecular Complex
An organic compound with this structure, C=C, contains a ________ functional group. -
correct answerAlkene
What element has been called the "super glue" of the chemical world? - correct
answerC
What molecule is the most important for energy storage in cells? - correct answerATP
What would be the approximate size of a human cell?
12 μm
1 nm
15 nm
0.2 inch
15 cm - correct answer12 μm
For pentane, there are________ carbon and ________hydrogen atoms. - correct
answer5, 12
For an organic compound, which structure is the most efficient to draw? - correct
answerLine bond
When writing an organic functional group, scientists often write an "R" as part of the
structure. What does the R indicate? - correct answerRest of the molecule
According to the module, the study of carbon compounds is referred to as _____. -
correct answerOrganic Chemistry
The ___________ functional group was NOT discussed in this module.
Alcohol
Amine
Aromatic
Thiol
All of these were discussed - correct answerAll of these were discussed
Which number would be closest to the approximate number of ribosomes in an E. coli
cell?
9
Prep – Practice Questions & Verified Answers
| Latest Update 2026 | Graded A+
True or False: According to the Module, a compound with a molecular mass of 1,000
g/mol is considered a macromolecule. - correct answerFalse
True or False: Biomolecules can have two or more different functional groups. - correct
answerTrue
True or False: The following functional group is an amine.
C2H5NH2 - correct answerTrue
True or False: In a eukaryotic cell, the organelles called peroxisomes serve the purpose
of digesting macromolecules. - correct answerFalse
True or False: Carbon dioxide has a linear molecular shape AND has a bond angle of
109.5o. - correct answerFalse
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 answerForming ionic bonds
Which of the following is an element not typically found in living organisms?
Br
Ca
H
S
Na - correct answerBr
_____________ is a functional group found in carbohydrates. - correct answerAlcohols
The following functional group is an example of _________.
Ch3COCH2CH3 - correct answerKetone
, A ___________ is a chemical formula that shows how the atoms of a molecule are
bonded to one another. - correct answerKekule' structure
A collection of two or more macromolecules uniting is called a _______. - correct
answerSupramolecular Complex
An organic compound with this structure, C=C, contains a ________ functional group. -
correct answerAlkene
What element has been called the "super glue" of the chemical world? - correct
answerC
What molecule is the most important for energy storage in cells? - correct answerATP
What would be the approximate size of a human cell?
12 μm
1 nm
15 nm
0.2 inch
15 cm - correct answer12 μm
For pentane, there are________ carbon and ________hydrogen atoms. - correct
answer5, 12
For an organic compound, which structure is the most efficient to draw? - correct
answerLine bond
When writing an organic functional group, scientists often write an "R" as part of the
structure. What does the R indicate? - correct answerRest of the molecule
According to the module, the study of carbon compounds is referred to as _____. -
correct answerOrganic Chemistry
The ___________ functional group was NOT discussed in this module.
Alcohol
Amine
Aromatic
Thiol
All of these were discussed - correct answerAll of these were discussed
Which number would be closest to the approximate number of ribosomes in an E. coli
cell?
9
