BIO 152 EXAM 1 WITH CORRECT
ANSWERS 2025
Which biological molecule class contains a phosphate group as
part of its basic monomer structure? correct answers >>
nucleic acids
The cellular energy carrier known as ATP (adenosine
triphosphate) is one example of a ______________ (a monomer).
correct answers >> nucleotide
A saturated fatty acid contains _________ double bonds along its
hydrocarbon tail. correct answers >> zero
Which of the following is a function of a carbohydrate? correct
answers >> Structural support such as the shell of an insect.
The shell of an insect contains chitin. Chitin is one example of
a____________ (class of biological molecule). correct answers
>> carbohydrate
If a mutation caused the number of amino acids in a protein to
change from 600 to 599, how might this affect the protein?
correct answers >> The function of the protein could change &
The structure (shape) of the protein could change.
, If cholesterol does not resemble or "look like" other lipids, why are
they considered a lipid? correct answers >> It shares similar
chemical properties with the other types of lipids.
An enzyme is one example of a _____________ (class of biological
molecule). correct answers >> Protein
Proteins are held together by chemical interactions among and
within its amino acid chain(s). If a protein has more than one
chain, what level of structure does the interaction among multiple
chains represent? correct answers >> Quaternary structure
Which metabolic pathway would most likely include 2 different
enzymes. Assume this pathway works in series. correct
answers >> A pathway with one substrate, one intermediate,
and one product.
After a catabolic reaction has occurred, the __________ has less
energy compared to the ____________. correct answers >>
Product; substrate
When an enzyme is ___________ it will changes its shape in such a
way that its substrate can successfully bind within the___________
correct answers >> activated, active site
Cells are exposed to colder temperatures in the winter. During
this colder time of year, we would expect the phospholipids in the
cell's membranes to contain ___________ proportion of saturated
fatty acids compared to the warmer summer months. correct
answers >> A decreased
ANSWERS 2025
Which biological molecule class contains a phosphate group as
part of its basic monomer structure? correct answers >>
nucleic acids
The cellular energy carrier known as ATP (adenosine
triphosphate) is one example of a ______________ (a monomer).
correct answers >> nucleotide
A saturated fatty acid contains _________ double bonds along its
hydrocarbon tail. correct answers >> zero
Which of the following is a function of a carbohydrate? correct
answers >> Structural support such as the shell of an insect.
The shell of an insect contains chitin. Chitin is one example of
a____________ (class of biological molecule). correct answers
>> carbohydrate
If a mutation caused the number of amino acids in a protein to
change from 600 to 599, how might this affect the protein?
correct answers >> The function of the protein could change &
The structure (shape) of the protein could change.
, If cholesterol does not resemble or "look like" other lipids, why are
they considered a lipid? correct answers >> It shares similar
chemical properties with the other types of lipids.
An enzyme is one example of a _____________ (class of biological
molecule). correct answers >> Protein
Proteins are held together by chemical interactions among and
within its amino acid chain(s). If a protein has more than one
chain, what level of structure does the interaction among multiple
chains represent? correct answers >> Quaternary structure
Which metabolic pathway would most likely include 2 different
enzymes. Assume this pathway works in series. correct
answers >> A pathway with one substrate, one intermediate,
and one product.
After a catabolic reaction has occurred, the __________ has less
energy compared to the ____________. correct answers >>
Product; substrate
When an enzyme is ___________ it will changes its shape in such a
way that its substrate can successfully bind within the___________
correct answers >> activated, active site
Cells are exposed to colder temperatures in the winter. During
this colder time of year, we would expect the phospholipids in the
cell's membranes to contain ___________ proportion of saturated
fatty acids compared to the warmer summer months. correct
answers >> A decreased
