Genetics: Viruses and Bacteria Quiz
Preview:
Conjugation occurs when ________________.
A. None of these.
B. a virus injects DNA into the bacterium.
C. a plasmid is transferred from one bacteria to another.
D. bacteria take up DNA from the environment.
Which viral cycle takes the longest to show symptoms?
A. Lysogenic
B. Lytic
What is transformation (with regard to bacteria)?
A. The bacteria mutates
B. A plasmid from one bacterium becomes incorporated into another
C. The bacterium puts on it’s cape and becomes a superhero
D. The bacterium recieves enzymes from another bacterium.
Which of these is characteristic of both viruses and bacteria?
A. They get their energy from their environment.
B. They can reproduce on their own.
C. They can form crystals and become dormant.
D. They contain proteins and nucleic acids.
Some bacteria move by using a long, whip-like structure called a(n) ____________________
A. tail
B. cillia
C. organs
D. flagellum
Bacteria that cause disease are called
A. microbes
B. pathogens
C. decomposers
D. autotrophs
The use of what modern technology has cause the rise in resistant bacteria
A. vaccines
B. antibiotics
C. fertilizers
D. solar panels
The term “antibiotic resistance” refers to bacteria that
A. are resistant to a vaccine.
B. survive in the presence of an antibiotic.
C. are weakened and destroyed by antibiotics.
D. are dead or altered.
Where are Eubacteria found?
A. in extremely hot environments
B. in hypersalines lakes
C. deep in the swamp muds
D. almost anywhere
Which of the following is true for both bacteria and viruses?
A. both contain genetic material
B. can be killed using antibiotics
C. have a cell membrane
D. have a protein coat
Reasons that viruses are considered to be nonliving is because
A. They are not cellular
B. They cannot reproduce on their own
C. They cannot make proteins
D. all of the above
What is the first step to both cycles?
A. The virus attaches to a host
B. the virus injects genetic material
C. the host gets sick
D. the cell is destroyed
Bacteria that are decomposers ….
A. make their own food.
B. feed on other organisms
C. feed on dead organisms
D. none of these
A plasmid is
A. A type of bacteria
B. a type of archaea
C. A small ring of DNA
D. A virus
Conjugation is important because it
A. increases genetic variation
B. creates more bacteria
C. is bacterial sexual reproduction
D. the joining of 2 bacteria into 1 super-bacteria
