Home > 18: The Genetics of Viruses and Bacteria > Activities Quiz
 
 
Chapter 18: The Genetics of Viruses and Bacteria
 
Activities Quiz
 

Activities Quiz


1 .       The pointer is indicating the virus's _____. (Activity: Simplified Viral Reproductive Cycle)
question #1 

 envelope
 genome
 mitochondria
 capsid
 microfilaments
2 .       Viral DNA makes mRNA by the process of _____. (Activity: Simplified Viral Reproductive Cycle) 

 replication
 infection
 translation
 lysis
 transcription
3 .       The lytic cycle of bacteriophage infection ends with the _____. (Activity: Phage Lytic Cycle) 

 replication of viral DNA
 entry of the phage protein coat into the host cell
 assembly of viral particles into phages
 the injection of phage DNA into a bacterium
 rupture of the bacterium
4 .       The pointer is indicating the _____. (Activity: Phage Lytic Cycle)
question 4 

 viral envelope
 viral nucleic acid genome
 bacterium's nucleic acid genome
 viral protein coat
 bacterium's plasma membrane
5 .       As a result of the lytic cycle, _____. (Activity: Phage Lytic Cycle) 

 the host cell is not destroyed
 the host cell's DNA is destroyed
 viral ribosomes are produced
 viral DNA is incorporated into host cell DNA
 a prophage is created
6 .       Click on the diagram to start the animation. The arrow is indicating _____. (Activity: Phage Lysogenic and Lytic Cycles)

 

 host cell DNA
 a capsid
 an envelope
 a Golgi apparatus
 a prophage
7 .       Click on the diagram to start the animation. This animation is illustrating an early stage of _____. (Activity: Phage Lysogenic and Lytic Cycles)

 

 the lytic cycle
 the lysogenic cycle
 transcription
 translation
 lysis
8 .       In the lysogenic cycle _____. (Activity: Phage Lysogenic and Lytic Cycles) 

 host DNA is destroyed and viral DNA is replicated
 a bacterium replicates without passing viral DNA to its daughter cells
 viral DNA is destroyed and host DNA is replicated
 a bacterium divides once before the lytic cycle is initiated
 viral DNA is replicated along with host DNA
9 .       Click on the diagram to start the animation. Which of these is the best description of this animation? (Activity: Phage Lysogenic and Lytic Cycles)

 

 The lysogenic cycle has begun.
 The lytic cycle is making a transition to the lysogenic cycle.
 The bacterium has successfully fought off the viral infection.
 The lysogenic cycle is making a transition to the lytic cycle.
 The host cell has begun to reproduce.
10 .       Cycle A is the _____ cycle and cycle B is the _____ cycle. (Activity: Phage Lysogenic and Lytic Cycles)
question #10 

 lytic ... lysogenic
 lytic ... phage
 lysogenic ... phage
 lysogenic ... lytic
 phage ... lysogenic
11 .       The genetic material of HIV consists of _____. (Activity: Retrovirus (HIV) Reproductive Cycle) 

 single-stranded DNA
 single-stranded RNA
 double-stranded DNA
 double-stranded RNA
 none of the above
12 .       Which of these binds to receptor molecules on the host cell membrane? (Activity: Retrovirus (HIV) Reproductive Cycle)
question #12 

 A
 B
 C
 D
 E
13 .       What is the function of reverse transcriptase? (Activity: Retrovirus (HIV) Reproductive Cycle) 

 It catalyzes the formation of a polypeptide from an RNA template.
 It catalyzes the formation of DNA from a polypeptide template.
 It catalyzes the formation of RNA from a polypeptide template.
 It catalyzes the formation of RNA from a DNA template.
 It catalyzes the formation of DNA from an RNA template.
14 .       What is the source of a viral envelope? (Activity: Retrovirus (HIV) Reproductive Cycle) 

 host cell DNA
 prophages
 provirus
 host cell membrane
 viral glycoproteins
15 .       Which of these is reverse transcriptase? (Activity: Retrovirus (HIV) Reproductive Cycle)
question #15 

 A
 B
 C
 D
 E
16 .       Which of these is the viral genome? (Activity: Retrovirus (HIV) Reproductive Cycle)
question #16 

 A
 B
 C
 D
 E
17 .       Click on the diagram to start the animation. What enzyme is responsible for the process seen here? (Activity: Retrovirus (HIV) Reproductive Cycle)

 

 RNA polymerase
 DNA polymerase
 reverse transcriptase
 endonuclease
 DNA ligase
18 .       Double-stranded viral DNA is incorporated into a host cell as a _____. (Activity: Retrovirus (HIV) Reproductive Cycle) 

 promoter
 provirus
 transposon
 lac
 homeoboxes
19 .       The operon model of the regulation of gene expression in bacteria was proposed by _____. (Activity: The lac Operon in E. coli) 

 Watson and Crick
 Franklin
 Darwin
 Jacob and Monod
 Mendel
20 .       Which of these is NOT a component of the lac operon? (Activity: The lac Operon in E. coli) 

 lactose-utilization genes only
 promoter only
 regulatory gene only
 operator only
 promoter and operator
21 .       Regulatory proteins bind to _____. (Activity: The lac Operon in E. coli) 

 the operator
 the lactose-utilization genes
 the regulatory gene
 RNA polymerase
 transcription factors
22 .       In the presence of a regulatory protein the lac operon is _____. (Activity: The lac Operon in E. coli) 

 transcribed
 not transcribed
 transcribed at a faster than usual rate
 is turned on
 either transcribed or not transcribed
23 .       Click on the diagram to start the animation. In this animation the blue sphere represents _____. (Activity: The lac Operon in E. coli)

 

 an active repressor
 an inactive repressor
 lactose
 RNA polymerase
 mRNA
24 .       Click on the diagram to start the animation. In this animation the orange object represents _____. (Activity: The lac Operon in E. coli)

 

 an active repressor
 an inactive repressor
 lactose
 RNA polymerase
 mRNA
25 .       Which of these is a regulatory gene? (Activity: The lac Operon in E. coli)
question # 

 A
 B
 C
 D
 E





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