BMS 602 Virology Exam Questions and
Answers 100% Solved | Graded A+
What is the progressive hypothesis? - Mobile genetic material moved
throughout the genome and gained the ability to exit one cell and move to
another
What is the regressive hypothesis? - Viruses originated from more
complex o...
What is the purpose of viral matrix proteins? - ✔✔They are important for
assembly of enveloped viruses and link the viral envelope to the viral
nucleocapsid
What is the gag gene? - ✔✔Capsid protein gene on retrovirus genome
What is the pol gene? - ✔✔Polymerase protein gene on retrovirus genome
What is the env gene? - ✔✔Envelope protein gene on retrovirus genome
Which of the following proteins is NOT encoded for by the viral genome?
a) capsid
b) envelope proteins
c) polymerases not found in host cell
d) ribosome - ✔✔d) ribosomes are NOT encoded for by any viruses
What type of mRNA is required for viral proteins to be synthesized? - ✔✔+
sense ssRNA
What genomes do classes 1 (Adenovirus) and 7 have (HepB and Phage
T4)? - ✔✔dsDNA. Transcription of minus strand = +ssRNA
Class 7 is DNA retroviruses
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