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Viruses And Bacteria
Test Description: Review questions on viruses and bacteria.
Instructions: Answer all questions to get your test result.
1) What is the best description of what viruses are made of?
A
Protein and RNA
B
Carbohydrates and nucleic acids
C
Protein and nucleic acids
D
Carbohydrates and RNA
2) What kind of virus infects bacteria?
A
HIV virus
B
Bacteriophage
C
Adenovirus
D
Influenza virus
3) What is the outside of the virus made of?
A
DNA
B
Protein
C
Lipids
D
RNA
4) How is the virus reproduced during the lysogenic cycle?
A
By using viral enzymes to reproduce viral DNA
B
By breaking the cell open and releasing new viruses
C
Through reproduction of the host cell
D
By using the cell's enzymes to reproduce viral DNA
5) How does a vaccine work?
A
It kills viruses
B
It prevents viruses from being transmitted from and infected person.
C
It protects cells from viral infection.
D
It prepares the immune system to recognize viruses.
6) An antiviral drug
A
kills bacteria
B
strengthens the immune systems
C
interrupts a virus's reproductive cycle
D
destroys viruses
7) Of which domains are the prokaryotes members?
A
Archaea and Eukarya
B
Archaea and Bacteria
C
Bacteria and Eukarya
D
Bacteria, Eukarya, and Archaea
8) Bacteria have a form of sexual reproduction called
A
Conjugation
B
Integration
C
Transformation
D
Binary fission
9) On what basis have biologist determined that Archaea and Bacteria are not closely related?
A
They look very different.
B
Their DNA in very different.
C
They live in very different places.
D
They cannot interbreed.
10) Why were Archaea and Bacteria group together by biologist until recently?
A
They are both very ancient organisms.
B
They look similar.
C
They both perform the same ecological function.
D
They have very similar DNA.
*select an answer for all questions
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