You Are Given a Solution of Virus and Asked to Determine

question 11

Multiple Choice

You are given a solution of virus and asked to determine the titer.You carry out a plaque assay with 0.5mls of a 10⁵ dilution of the virus solution and obtain an average of 150 plaques.What is the titer of the solution?

• A)1)5 x 10⁵ pfu/ml
• B)3 x 10⁵ pfu/ml
• C)1)5 x 10⁷ pfu/ml
• D)3 x 10⁷ pfu/ml
• E)1)5 x 10⁸ pfu/ml

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Definitions:

Oligochaete

A class of annelids comprising earthworms and related species, characterized by having few setae (bristles) per segment.

Bivalvia

Bivalvia is a class of marine and freshwater mollusks with bodies enclosed by a two-part hinged shell, including clams, oysters, mussels, and scallops.

Two Shells

Refers to bivalves, a class of aquatic mollusks with bodies enclosed by a pair of hinged shells.

Structure Labeled

A term probably meant to describe a diagram or illustration where specific parts have been marked and named to indicate their identity or function.