BIO 121 Exam 1 UPDATED Exam Questions
and CORRECT Answers
When proteins are put under extremes in temperature and/or pH, they ___________.
coalesce
melt
condensate
denature
dehydrate - CORRECT ANSWER - denature
A storage polysaccaharide in plants is:
glycogen
starch
chitin
peptidoglycan - CORRECT ANSWER - Starch
Match the biological macromolecule monomer in the column on the left with the correct bond
that joins multiple subunits into macromolecule chains or the macromolecule chain itself in the
column on the right.
Amino acid
Nucleotide
Fatty Acid
Monosaccharide - CORRECT ANSWER - peptide bond
phosphodiester bond
Triglyceride
Starch
Atoms are most stable when they have a full shell of electrons in the outer valence shell. T/F -
CORRECT ANSWER - True
, Bacteria are prokaryotes. T/F - CORRECT ANSWER - True
What kind of fatty acid is represented by the following molecule?
trans
saturated
triglyceride
unsaturated
animal fat - CORRECT ANSWER - Unsaturated
Cell Theory states that all cells come from pre-existing cells and that all organisms are made of
multiple cells. T/F - CORRECT ANSWER - False
Which of the following characteristics is NOT one of the seven features shared by living
organisms?
Cellular organization
Growth, development, and reproduction
Ability to respond to stimuli
Ability to move
Ability to maintain homeostasis - CORRECT ANSWER - Ability to move
Starch, cellulose, and glycogen are made up of:
alternation of the monosaccharides glucose and galactose.
the same monosaccharide (glucose), just in different positions.
the same monosaccharide (glucose), all in the same position.
various polysaccharides
disaccharides - CORRECT ANSWER - the same monosaccharide (glucose), just in
different positions
and CORRECT Answers
When proteins are put under extremes in temperature and/or pH, they ___________.
coalesce
melt
condensate
denature
dehydrate - CORRECT ANSWER - denature
A storage polysaccaharide in plants is:
glycogen
starch
chitin
peptidoglycan - CORRECT ANSWER - Starch
Match the biological macromolecule monomer in the column on the left with the correct bond
that joins multiple subunits into macromolecule chains or the macromolecule chain itself in the
column on the right.
Amino acid
Nucleotide
Fatty Acid
Monosaccharide - CORRECT ANSWER - peptide bond
phosphodiester bond
Triglyceride
Starch
Atoms are most stable when they have a full shell of electrons in the outer valence shell. T/F -
CORRECT ANSWER - True
, Bacteria are prokaryotes. T/F - CORRECT ANSWER - True
What kind of fatty acid is represented by the following molecule?
trans
saturated
triglyceride
unsaturated
animal fat - CORRECT ANSWER - Unsaturated
Cell Theory states that all cells come from pre-existing cells and that all organisms are made of
multiple cells. T/F - CORRECT ANSWER - False
Which of the following characteristics is NOT one of the seven features shared by living
organisms?
Cellular organization
Growth, development, and reproduction
Ability to respond to stimuli
Ability to move
Ability to maintain homeostasis - CORRECT ANSWER - Ability to move
Starch, cellulose, and glycogen are made up of:
alternation of the monosaccharides glucose and galactose.
the same monosaccharide (glucose), just in different positions.
the same monosaccharide (glucose), all in the same position.
various polysaccharides
disaccharides - CORRECT ANSWER - the same monosaccharide (glucose), just in
different positions
