NURSING ANM AND GNM

NURSING EXAM QUESTIONS

MICROBIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
why are some viruses considered “mimi” viruses?
A
because they are mimicking a microbe
B
because they are larger than they average
C
They are considered extra small
D
They are very long and fat
Explanation: 

Detailed explanation-1: -Indeed, the most dramatic feature of this virus is its size. Researchers, in fact, named it Mimivirus-short for “mimicking microbe”-to reflect its large size and apparent Gram-staining properties (Figure 1).

Detailed explanation-2: -polyphaga Mimivirus is a giant, double-stranded, icosahedral DNA virus. With a diameter of approximately 650 nm, Mimivirus is the largest virus known to date. Morphologically, Mimivirus resembles nucleocytoplasmic large DNA viruses (NCLDVs) such as the Iridovirus, Asfarvirus, and Phycodnavirus.

Detailed explanation-3: -Mimivirus is a genus of giant viruses, in the family Mimiviridae. Amoeba serve as their natural hosts. This genus contains a single identified species named Acanthamoeba polyphaga mimivirus (APMV). It also refers to a group of phylogenetically related large viruses.

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