BIO 181 FINAL EXAM SPRING SEMESTER TEST QUESTIONS WITH SOLUTIONS
A cell _____
a. all of the statements, including this one, are correct.
b. is the fundamental component of all organisms including plants and animal.
c. may be a distinct entity or a building block of a more complex organism, including
multicellular organisms and unicellular organisms that cooperate as a colony.
d. may be a constituent of a "tissue".
e. can be studied intact, or broken up into its subcellular constituents and studied in vitro
(literally, "within glass", or in a test tube)
All of the statements are correct
Which of these provides evidence of the common ancestry of all life?
a. ubiquitous use of catalysts by living systems
b. structure of chloroplasts
c. structure of the nucleus
d. structure of cilia
e. near universality of the genetic code
near universality of the genetic code
Spontaneous generation _____
a.occurs every time a new species evolves from a preexisting species
,b. was demonstrated to occur under normal laboratory conditions by Pasteur
c. addresses the formation of new cells from existing cells
d. apparently occurred at least once when life on Earth emerged.
apparently occurred at least once when life on Earth emerged
Archaeons and bacteria are
a. very similar in appearance, but use a vastly different genetic code.
b. are very different in appearance, being in two separate domains.
c. are very different in appearance, the first have nuclei, the latter don't.
d. very similar in appearance, being both prokaryotic.
Very similar in appearance, being both prokaryotic
Agrobacterium infects plants and causes them to form tumors. You are asked to determine
how long a plant must be exposed to these bacteria to become infected. Which of the
following experiments will provide the best data to address that question?
a. Measure the number of tumors formed on a plant when exposed to various
concentrations of Agrobacterium.
b. Measure the number of tumors formed on plants, which are exposed to Agrobacterium
for different lengths of time.
c. Measure the concentration of Agrobacterium in different soil environments where the
plants grow.
d. Determine the survival rate of Agrobacterium when exposed to different concentrations
of an antibiotic.
,Measure the number of tumors formed on plants, which are exposed to Agrobacterium for
different lengths of time.
What is the correct ordering by the levels of complexity at which life is studied, from most
simple to most complex?
molecule
cell
tissue
organ
organism
population
biosphere
What is the maximum number of single covalent bonds in which a carbon atom can
participate?
4
How many electrons are being shared during the formation of a single covalent bond?
2
A series of hydrophobic side chains will congregate together as a protein folds in an
aqueous solution and be stabilized by _____.
, a. hydrogen bonds
b. quaternary structure bonds
c. peptide bonds
d. van der Waals interactions
Van der waals interactions
What type of covalent bonds between amino acid side chains (R-groups) functions in
maintaining a polypeptide's specific three-dimensional shape?
a. hydrophobic interactions
b. hydrogen bonds
c. van der Waals interactions
d. ionic bond
e. disulfide bonds
disulfide bonds
The partial negative charge at one end of a water molecule is attracted to the partial
positive charge of another water molecule. What is this attraction called?
a. a hydrophilic bond
b. an ionic bond
c. a van der Waals interaction
d. a hydrogen bond
e. a covalent bond
a hydrogen bond
A cell _____
a. all of the statements, including this one, are correct.
b. is the fundamental component of all organisms including plants and animal.
c. may be a distinct entity or a building block of a more complex organism, including
multicellular organisms and unicellular organisms that cooperate as a colony.
d. may be a constituent of a "tissue".
e. can be studied intact, or broken up into its subcellular constituents and studied in vitro
(literally, "within glass", or in a test tube)
All of the statements are correct
Which of these provides evidence of the common ancestry of all life?
a. ubiquitous use of catalysts by living systems
b. structure of chloroplasts
c. structure of the nucleus
d. structure of cilia
e. near universality of the genetic code
near universality of the genetic code
Spontaneous generation _____
a.occurs every time a new species evolves from a preexisting species
,b. was demonstrated to occur under normal laboratory conditions by Pasteur
c. addresses the formation of new cells from existing cells
d. apparently occurred at least once when life on Earth emerged.
apparently occurred at least once when life on Earth emerged
Archaeons and bacteria are
a. very similar in appearance, but use a vastly different genetic code.
b. are very different in appearance, being in two separate domains.
c. are very different in appearance, the first have nuclei, the latter don't.
d. very similar in appearance, being both prokaryotic.
Very similar in appearance, being both prokaryotic
Agrobacterium infects plants and causes them to form tumors. You are asked to determine
how long a plant must be exposed to these bacteria to become infected. Which of the
following experiments will provide the best data to address that question?
a. Measure the number of tumors formed on a plant when exposed to various
concentrations of Agrobacterium.
b. Measure the number of tumors formed on plants, which are exposed to Agrobacterium
for different lengths of time.
c. Measure the concentration of Agrobacterium in different soil environments where the
plants grow.
d. Determine the survival rate of Agrobacterium when exposed to different concentrations
of an antibiotic.
,Measure the number of tumors formed on plants, which are exposed to Agrobacterium for
different lengths of time.
What is the correct ordering by the levels of complexity at which life is studied, from most
simple to most complex?
molecule
cell
tissue
organ
organism
population
biosphere
What is the maximum number of single covalent bonds in which a carbon atom can
participate?
4
How many electrons are being shared during the formation of a single covalent bond?
2
A series of hydrophobic side chains will congregate together as a protein folds in an
aqueous solution and be stabilized by _____.
, a. hydrogen bonds
b. quaternary structure bonds
c. peptide bonds
d. van der Waals interactions
Van der waals interactions
What type of covalent bonds between amino acid side chains (R-groups) functions in
maintaining a polypeptide's specific three-dimensional shape?
a. hydrophobic interactions
b. hydrogen bonds
c. van der Waals interactions
d. ionic bond
e. disulfide bonds
disulfide bonds
The partial negative charge at one end of a water molecule is attracted to the partial
positive charge of another water molecule. What is this attraction called?
a. a hydrophilic bond
b. an ionic bond
c. a van der Waals interaction
d. a hydrogen bond
e. a covalent bond
a hydrogen bond
