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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 RNA
B
Protein and RNA
C
Carbohydrates and nucleic acids
D
Protein and nucleic acids
2) What kind of virus infects bacteria?
A
Bacteriophage
B
Adenovirus
C
Influenza virus
D
HIV virus
3) What is the outside of the virus made of?
A
Protein
B
DNA
C
RNA
D
Lipids
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
By using the cell's enzymes to reproduce viral DNA
D
Through reproduction of the host cell
5) How does a vaccine work?
A
It prevents viruses from being transmitted from and infected person.
B
It prepares the immune system to recognize viruses.
C
It kills viruses
D
It protects cells from viral infection.
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, Eukarya, and Archaea
B
Bacteria and Eukarya
C
Archaea and Bacteria
D
Archaea and Eukarya
8) Bacteria have a form of sexual reproduction called
A
Transformation
B
Conjugation
C
Binary fission
D
Integration
9) On what basis have biologist determined that Archaea and Bacteria are not closely related?
A
They cannot interbreed.
B
Their DNA in very different.
C
They look very different.
D
They live in very different places.
10) Why were Archaea and Bacteria group together by biologist until recently?
A
They are both very ancient organisms.
B
They have very similar DNA.
C
They both perform the same ecological function.
D
They look similar.
*select an answer for all questions
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