Viral mutations and variants are often categorized by changes in ________

A) host range and/or plaque morphology
B) host range
C) viral size
D) plaque morphology
E) capsid shape


Answer: A

Biology & Microbiology

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The transformation of one body part into another caused by genetic mutation is called ________________. 

Fill in the blank(s) with the appropriate word(s).

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Soil particles are classified on the basis of

A) age. B) color. C) water content. D) size.

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The ras gene is an example of a tumor-suppressing gene. Indicate whether the statement is true or false

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Which of the following is normal oral and nasopharyngeal flora but is involved in infective endocarditis in adults who have underlying congenital or rheumatic heart disease?

What will be an ideal response?

Biology & Microbiology