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