BSC 484 Old Test Review Final Exam 2025-2026
With Complete Questions and Correct Answers |
Graded A+ | Verified Answers And Brand New
Which statement is NOT true concerning viruses?
A. Viruses can pass filters that retain bacteria.
B. A virus may have a double/single stranded DNA genome.
C. A virus may have both DNA and RNA as its genome.
D. Viruses can infect all forms of life. - answer--C. A virus may have both
DNA and RNA as its genome.
Viruses can NOT use which of the following as hosts?
A. Bacteria
B. Plants
C. Protozoa
D. Cell culture medium - answer--D. Cell culture medium
What is a virion? - answer--Single infectious virus particle.
What is a nucleocapsid? - answer--Nucleic acid and surrounding protein
capsid
, What is the envelope? - answer--Membrane surrounding virus capsid
The capsid can NOT provide protection against:
A. Cellular receptor binding
B. Variations in temperature
C. pH in the environment
D. Variations in light - answer--A. Cellular receptor binding.
Replication of RNA viruses typically occurs in the: - answer--Cytoplasm
Replication of DNA viruses typically occurs in the: - answer--Nucleus
How do most viruses acquire envelopes? - answer--By budding through
a host cell membrane
What are the possible mechanisms for virus fusion/entry into the host
cell? - answer--Endocytosis
Which of the following has the largest genome of all known RNA
viruses?
A. Poxvirus
With Complete Questions and Correct Answers |
Graded A+ | Verified Answers And Brand New
Which statement is NOT true concerning viruses?
A. Viruses can pass filters that retain bacteria.
B. A virus may have a double/single stranded DNA genome.
C. A virus may have both DNA and RNA as its genome.
D. Viruses can infect all forms of life. - answer--C. A virus may have both
DNA and RNA as its genome.
Viruses can NOT use which of the following as hosts?
A. Bacteria
B. Plants
C. Protozoa
D. Cell culture medium - answer--D. Cell culture medium
What is a virion? - answer--Single infectious virus particle.
What is a nucleocapsid? - answer--Nucleic acid and surrounding protein
capsid
, What is the envelope? - answer--Membrane surrounding virus capsid
The capsid can NOT provide protection against:
A. Cellular receptor binding
B. Variations in temperature
C. pH in the environment
D. Variations in light - answer--A. Cellular receptor binding.
Replication of RNA viruses typically occurs in the: - answer--Cytoplasm
Replication of DNA viruses typically occurs in the: - answer--Nucleus
How do most viruses acquire envelopes? - answer--By budding through
a host cell membrane
What are the possible mechanisms for virus fusion/entry into the host
cell? - answer--Endocytosis
Which of the following has the largest genome of all known RNA
viruses?
A. Poxvirus
