Portage Learning CHEM 210 Biochemistry Biochem Final Exam
2025/2026 Actual Complete Real Exam Questions And Correct
Answers (Verified Answers) Newst Exam / Just Released!!
A ___ is a chemical formula that shows how the atoms of
a molecule are
bonded to one another. - ANSWER-Kekule'
structure
A _____ is a chemical formula that does NOT show the C-H and
C-C bonds. -
ANSWER-condensed
formula
Water is considered a polar solvent due to attractive forces
known as hydrogen bonds. A hydrogen bond is: - ANSWER-an
attractive force between molecules
where partially positive hydrogen atoms are attracted to partially
negative atoms
of F, O, or
N
What is a London force? - ANSWER-a temporary attraction
between atoms due
to electron
alignment
,What is a dipole-dipole force? - ANSWER-an attraction
between the positive
end of one polar molecule and the negative end
of another
What attributes contribute to water's unusual properties?
- ANSWER-1.
geometry of the
molecule
2. polarity of the -OH
bonds
3. ability of water molecules to
hydrogen bond
4. body angle of water molecules to
H bond
The H+ concentration of a solution is 7.9 x 10^-13 M. What
is the pH? -
ANSWER-
12.1
pH = -log(7.9 x 10^-13)
What represents the free-energy change of a reaction? -
ANSWER-ΔG = Gibbs
free
energy
, What is the measure of heat content in a reaction? - ANSWER-
ΔH = enthalpy
What is the measure of order of the system in a reaction? -
ANSWER-ΔS =
entropy
A fibrous protein is an example of a protein ___. - ANSWER-
conformation
What is an example of protein conformation? - ANSWER-fibrous
and globular
Any molecule or ion that is necessary for an enzyme's
function is called: -
ANSWER-
cofactor
In a particular cell, molecules X binds to an enzyme causing to
stop catalyzing
reactions. Molecule X is called what? -
ANSWER-inhibitor
What is the function of lipids in cells? - ANSWER-1. energy
source/storage
2. structural role in membranes (myelin
sheaths)
3.
vitamins
2025/2026 Actual Complete Real Exam Questions And Correct
Answers (Verified Answers) Newst Exam / Just Released!!
A ___ is a chemical formula that shows how the atoms of
a molecule are
bonded to one another. - ANSWER-Kekule'
structure
A _____ is a chemical formula that does NOT show the C-H and
C-C bonds. -
ANSWER-condensed
formula
Water is considered a polar solvent due to attractive forces
known as hydrogen bonds. A hydrogen bond is: - ANSWER-an
attractive force between molecules
where partially positive hydrogen atoms are attracted to partially
negative atoms
of F, O, or
N
What is a London force? - ANSWER-a temporary attraction
between atoms due
to electron
alignment
,What is a dipole-dipole force? - ANSWER-an attraction
between the positive
end of one polar molecule and the negative end
of another
What attributes contribute to water's unusual properties?
- ANSWER-1.
geometry of the
molecule
2. polarity of the -OH
bonds
3. ability of water molecules to
hydrogen bond
4. body angle of water molecules to
H bond
The H+ concentration of a solution is 7.9 x 10^-13 M. What
is the pH? -
ANSWER-
12.1
pH = -log(7.9 x 10^-13)
What represents the free-energy change of a reaction? -
ANSWER-ΔG = Gibbs
free
energy
, What is the measure of heat content in a reaction? - ANSWER-
ΔH = enthalpy
What is the measure of order of the system in a reaction? -
ANSWER-ΔS =
entropy
A fibrous protein is an example of a protein ___. - ANSWER-
conformation
What is an example of protein conformation? - ANSWER-fibrous
and globular
Any molecule or ion that is necessary for an enzyme's
function is called: -
ANSWER-
cofactor
In a particular cell, molecules X binds to an enzyme causing to
stop catalyzing
reactions. Molecule X is called what? -
ANSWER-inhibitor
What is the function of lipids in cells? - ANSWER-1. energy
source/storage
2. structural role in membranes (myelin
sheaths)
3.
vitamins
