BIO 116 EXAM 1 STUDY GUIDE FULL
QUESTIONS WITH DETAILED ANSWERS
●● Correctly sequence vial reproduction
I. Genome enters host cell
II. New viruses are assembled
III. Virus binds to host cell
IV. Host replicates viral genome
V. Viruses exit host cell
Answer: III->I->IV->II->V
●● CC the lytic and lysogenic cycles. Which of the following occurs in
both?
a. formation of a prophage
b. synthesis of phage DNA
c. self-assembly of phages
d. integration into bacterial chromosome
Answer: b
●● Identify which of the following is a reason why viruses are NOT on
the tree of life:
a. do not have genetic material
,b. cannot reproduce on their own
c. do not have a nucleus
d. cannot invade all cells
Answer: b
●● Identify which of the following is TRUE for all cells
a. enter host cell via endocytosis
b. surrounded by an envelope
c. replicate inside host cells
d. contain DNA and RNA
Answer: c
●● Identify the statement which correctly describes evolution
a. genetic changes over generations within a population
b. decreases the number of individuals within a species by eliminating
alleles
c. results from evolutionary adaptations within individuals
d. occurs only by natural selection
Answer: a
●● Which of the following is a process of genetic recombination that
involves the direct uptake of foreign DNA from a prokaryotic cell's
surroundings
,a. transcription
b. transduction
c. conjugation
d. transformation
Answer: d
●● which of the following materials is the primary component of gram-
positive bacterial cell walls
a. peptidoglycan
b. chitin
c. protein
d. cellulose
Answer: a
●● A type of prokaryote lives in a variety of habitats including the soil.
They use anaerobic respiration to produce methane from CO2 and H.
These organisms are:
a. obligate aerobes
b. facultative anaerobes
c. found in habitats lacking oxygen
d. capable only of fermentation
Answer: c
, ●● A dog is diagnosed with a bacterial infection. The vet gives a drug to
treat the infection. Hypothesize the mode of action the drug uses
a. cleaves single-stranded DNA
b. disrupts capsid formation
c. destroys peptidoglycan
d. targets ribosomes so that they no longer function
Answer: c
●● Which of the following is/are true regarding bacterial reproduction?
I. Mutations are the only source of genetic diversity
II. Meiosis is the primary mechanism of sexual reproduction
III. Gametes are produced under ideal environmental conditions
IV. Most bacteria divide through binary fission
Answer: IV only
●● Which statements correctly describes photoheterotrophs?
a. use light to make ATP but must ingest organic carbon
b. use energy from inorganic compounds to make ATP but cant fix
carbon
c. use light to make ATP and fix carbon
d. Use light to fix carbon and breakdown those compounds to make ATP
Answer: a
QUESTIONS WITH DETAILED ANSWERS
●● Correctly sequence vial reproduction
I. Genome enters host cell
II. New viruses are assembled
III. Virus binds to host cell
IV. Host replicates viral genome
V. Viruses exit host cell
Answer: III->I->IV->II->V
●● CC the lytic and lysogenic cycles. Which of the following occurs in
both?
a. formation of a prophage
b. synthesis of phage DNA
c. self-assembly of phages
d. integration into bacterial chromosome
Answer: b
●● Identify which of the following is a reason why viruses are NOT on
the tree of life:
a. do not have genetic material
,b. cannot reproduce on their own
c. do not have a nucleus
d. cannot invade all cells
Answer: b
●● Identify which of the following is TRUE for all cells
a. enter host cell via endocytosis
b. surrounded by an envelope
c. replicate inside host cells
d. contain DNA and RNA
Answer: c
●● Identify the statement which correctly describes evolution
a. genetic changes over generations within a population
b. decreases the number of individuals within a species by eliminating
alleles
c. results from evolutionary adaptations within individuals
d. occurs only by natural selection
Answer: a
●● Which of the following is a process of genetic recombination that
involves the direct uptake of foreign DNA from a prokaryotic cell's
surroundings
,a. transcription
b. transduction
c. conjugation
d. transformation
Answer: d
●● which of the following materials is the primary component of gram-
positive bacterial cell walls
a. peptidoglycan
b. chitin
c. protein
d. cellulose
Answer: a
●● A type of prokaryote lives in a variety of habitats including the soil.
They use anaerobic respiration to produce methane from CO2 and H.
These organisms are:
a. obligate aerobes
b. facultative anaerobes
c. found in habitats lacking oxygen
d. capable only of fermentation
Answer: c
, ●● A dog is diagnosed with a bacterial infection. The vet gives a drug to
treat the infection. Hypothesize the mode of action the drug uses
a. cleaves single-stranded DNA
b. disrupts capsid formation
c. destroys peptidoglycan
d. targets ribosomes so that they no longer function
Answer: c
●● Which of the following is/are true regarding bacterial reproduction?
I. Mutations are the only source of genetic diversity
II. Meiosis is the primary mechanism of sexual reproduction
III. Gametes are produced under ideal environmental conditions
IV. Most bacteria divide through binary fission
Answer: IV only
●● Which statements correctly describes photoheterotrophs?
a. use light to make ATP but must ingest organic carbon
b. use energy from inorganic compounds to make ATP but cant fix
carbon
c. use light to make ATP and fix carbon
d. Use light to fix carbon and breakdown those compounds to make ATP
Answer: a
