BIOLOGY 1201 FINAL EXAM REVIEW
WITH CORRECT ANSWERS
Glycosidic linkages are found in:
A. Lipids
B. proteins
C. nucleic acids
D. carbohydrates
E. fatty acids - ANSWER-D. carbohydrates
Compared to 32S, the isotope 35S has
A. a different atomic number
B. two more neutrons and one more proton
C. two more protons and one more neutron
D. three more neutrons
E. three more protons - ANSWER-D. three more neutrons
This contains the vast majority of the cell's DNA.
A. nucleus
B. vacuole
C. mitochondria
D. cytoskeleton
E. all of the above - ANSWER-A. nucleus
Tubulin is a major component of this organelle.
A. nucleus
B. vacuole
C. mitochondria
D. cytoskeleton
E. all of the above - ANSWER-D. cytoskeleton
This organelle contains proteins.
A. nucleus
B. vacuole
C. mitochondria
D. cytoskeleton
E. all of the above - ANSWER-E. all of the above
This organelle is found in plant cells.
A. nucleus
B. vacuole
C> mitochondria
D. cytoskeleton
,E. all of the above - ANSWER-E. all of the above
Maltose is two glucose units linked together. What is its= formula?
A. C6H12O6
B. C12H24O12
C. C12H22O11
D. C11H22O11
E. C6H10O5 - ANSWER-C. C12H22O11
Chlorine atoms tend to form ___ bonds.
A. ionic
B. covalent
C. Hydrogen
D. extracellular
E. emotional - ANSWER-A. ionic
Which compound below is chemically most likely to exist?
A. NH
B. NH2
C. NH3
D. NH4
E. NH5 - ANSWER-C. NH3
All cells, both prokaryotic and eukaryotic have which of the following?
A. nucleus
B. plasma membrane
C. mitochondria
D. cell wall
E. all of the above are in all cells - ANSWER-B. plasma membrane
It is presently thought that chlorophyll is essential for photosynthesis. Which of the
following observations would disprove this hypothesis?
A. A plant was discovered that performed photosynthesis but had no chlorophyll.
B. It was found that a part of the plant that did not contain chlorophyll (like the root) did
photosynthesis.
C. It was found that a part of the plant that did not contain chlorophyll (like the central
vacuole) did photosynthesis.
D. Chlorophyll was removed from a plant and it was still able to do photosynthesis
E. Any of the above observations would disprove the hypothesis. - ANSWER-E. Any of
the above observations would disprove the hypothesis
Which of the following is NOT associated with protein function?
A. Transport of molecules across membranes
B. movement of an organism
C. communication between cells (hormones)
D. catalysis of chemical reactions
, E. all of these functions are associated with proteins - ANSWER-E. all of these functions
are associated with proteins
A disulfide bond in a protein that made of a single polypeptide chain is an example of:
A. primary structure
B. secondary structure
C. tertiary structure
D. quaternary structure - ANSWER-C. tertiary structure
What class of biological compound is mRNA?
A. carbohydrate
B. protein
C. nucleic acid or nucleotide
D. lipid - ANSWER-C. nucleic acid or nucleotide
What class of biological compound is cellulose?
A. carbohydrate
B. protein
C. nucleic acid or nucleotide
D. lipid - ANSWER-A. carbohydrate
Sulfur and nitrogen atoms:
A. have different numbers of protons
B. have different numbers of valence electrons
C. form different numbers of chemical bonds
D. all of the above answers are correct - ANSWER-D. all of the above answers are
correct
In biological molecules, nitrogen atoms form ____ bonds.
A. two ionic
B. three ionic
C. two covalent
D. three covalent
E. four covalent - ANSWER-D. three covalent
How many and what type of bonds does sulfur usually form in biology?
A. one covalent bond
B. two covalent bonds
C. three covalent bonds
D. one ionic bond
E. two ionic bonds - ANSWER-B. two covalent bonds
A molecule that has all nonpolar covalent bonds would be _____.
A. Hydrophobic
B. Hydrophilic
WITH CORRECT ANSWERS
Glycosidic linkages are found in:
A. Lipids
B. proteins
C. nucleic acids
D. carbohydrates
E. fatty acids - ANSWER-D. carbohydrates
Compared to 32S, the isotope 35S has
A. a different atomic number
B. two more neutrons and one more proton
C. two more protons and one more neutron
D. three more neutrons
E. three more protons - ANSWER-D. three more neutrons
This contains the vast majority of the cell's DNA.
A. nucleus
B. vacuole
C. mitochondria
D. cytoskeleton
E. all of the above - ANSWER-A. nucleus
Tubulin is a major component of this organelle.
A. nucleus
B. vacuole
C. mitochondria
D. cytoskeleton
E. all of the above - ANSWER-D. cytoskeleton
This organelle contains proteins.
A. nucleus
B. vacuole
C. mitochondria
D. cytoskeleton
E. all of the above - ANSWER-E. all of the above
This organelle is found in plant cells.
A. nucleus
B. vacuole
C> mitochondria
D. cytoskeleton
,E. all of the above - ANSWER-E. all of the above
Maltose is two glucose units linked together. What is its= formula?
A. C6H12O6
B. C12H24O12
C. C12H22O11
D. C11H22O11
E. C6H10O5 - ANSWER-C. C12H22O11
Chlorine atoms tend to form ___ bonds.
A. ionic
B. covalent
C. Hydrogen
D. extracellular
E. emotional - ANSWER-A. ionic
Which compound below is chemically most likely to exist?
A. NH
B. NH2
C. NH3
D. NH4
E. NH5 - ANSWER-C. NH3
All cells, both prokaryotic and eukaryotic have which of the following?
A. nucleus
B. plasma membrane
C. mitochondria
D. cell wall
E. all of the above are in all cells - ANSWER-B. plasma membrane
It is presently thought that chlorophyll is essential for photosynthesis. Which of the
following observations would disprove this hypothesis?
A. A plant was discovered that performed photosynthesis but had no chlorophyll.
B. It was found that a part of the plant that did not contain chlorophyll (like the root) did
photosynthesis.
C. It was found that a part of the plant that did not contain chlorophyll (like the central
vacuole) did photosynthesis.
D. Chlorophyll was removed from a plant and it was still able to do photosynthesis
E. Any of the above observations would disprove the hypothesis. - ANSWER-E. Any of
the above observations would disprove the hypothesis
Which of the following is NOT associated with protein function?
A. Transport of molecules across membranes
B. movement of an organism
C. communication between cells (hormones)
D. catalysis of chemical reactions
, E. all of these functions are associated with proteins - ANSWER-E. all of these functions
are associated with proteins
A disulfide bond in a protein that made of a single polypeptide chain is an example of:
A. primary structure
B. secondary structure
C. tertiary structure
D. quaternary structure - ANSWER-C. tertiary structure
What class of biological compound is mRNA?
A. carbohydrate
B. protein
C. nucleic acid or nucleotide
D. lipid - ANSWER-C. nucleic acid or nucleotide
What class of biological compound is cellulose?
A. carbohydrate
B. protein
C. nucleic acid or nucleotide
D. lipid - ANSWER-A. carbohydrate
Sulfur and nitrogen atoms:
A. have different numbers of protons
B. have different numbers of valence electrons
C. form different numbers of chemical bonds
D. all of the above answers are correct - ANSWER-D. all of the above answers are
correct
In biological molecules, nitrogen atoms form ____ bonds.
A. two ionic
B. three ionic
C. two covalent
D. three covalent
E. four covalent - ANSWER-D. three covalent
How many and what type of bonds does sulfur usually form in biology?
A. one covalent bond
B. two covalent bonds
C. three covalent bonds
D. one ionic bond
E. two ionic bonds - ANSWER-B. two covalent bonds
A molecule that has all nonpolar covalent bonds would be _____.
A. Hydrophobic
B. Hydrophilic
