A. the composition of the genome. B. the shape of the viral capsid. C. whether t
ID: 213987 • Letter: A
Question
A. the composition of the genome.
B. the shape of the viral capsid.
C. whether the virus is enveloped.
D. the type of organism the virus infects.
A. mutation of host surface proteins
B. CRISPR sequences
C. DNA methylation
D. histone acetylation
A. In the absence of lysosomal fusion, Hepatitis C virus will escape the endosome and begin to replicate in the cytoplasm
B. In the absence of lysosomal fusion, the pH of 6 - 6.5 will be favorable for viral uncoating and release from the endosome
C. In the absence of lysosomal fusion, the pH of 6 - 6.5 will stop viral uncoating and release from the endosome will be inhibited
D. In the absence of lysosomal fusion, the pH of 4 -5.5 will be favorable for viral uncoating and release from the endosome
A. Viruses limit evolution.
B. Since viruses are so small, they have a negligible impact on the environment.
C. Viruses do not jump from one species to another.
D. Viruses may limit host population density.
Explanation / Answer
Q.1
Option A.
Baltimore classified the virus based on the genetic material. Double stranded, Single Stranded - DNA and RNA.
Q.2
Option D.
Histone acetylation is not an evolutionary adaptation by bacteria to escape viral infection. They are meant for the regulation of gene expression.
Q.3
Option D
In the absence of lysosomal fusion, the pH of 4 -5.5 will be favorable for viral uncoating and release from the endosome. The pH of Late endosome facilitates the the binding of viral envelope to Endosome thus releasing the viral genome into the cytosol.
Q.4
Option D.
Viruses may limit host population density.
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