Biology
Acellular Life
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#49 Which of the following is a component of a retrovirus's replication machinery?
A) DNA polymerase
B) Reverse transcriptase
C) RNA ligase
D) DNA helicase
#50 The process where a host cell bursts open to release newly formed viral particles is called:
A) Budding
B) Exocytosis
C) Lysis
D) Encapsulation
#51 The viral disease Hepatitis B is caused by:
A) An RNA virus
B) A DNA virus
C) A retrovirus
D) A prion
#52 The viral envelope is composed of:
A) Carbohydrates
B) Nucleic acids
C) Lipids and proteins
D) Nucleic acids and carbohydrates
#53 Which of these diseases is caused by a prion?
A) Hepatitis A
B) Kuru
C) Measles
D) AIDS
#54 The disease caused by the Hepatitis C virus primarily affects the:
A) Lungs
B) Brain
C) Liver
D) Heart
#55 Which statement best describes a viroid?
A) It is a small, single-stranded DNA molecule.
B) It is an infectious protein particle.
C) It is a small, infectious RNA molecule without a protein coat.
D) It is a virus that infects bacteria.
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