Which of the Following Is a Likely Purpose for the Noninfectious

question 20

Multiple Choice

Which of the following is a likely purpose for the noninfectious particles produced by hepatitis B virus?

• A) They bind to antibodies allowing the virus to evade the immune system.
• B) They bind to the host cell receptor, improving entry of virus particles.
• C) They stimulate cytotoxic T lymphocytes.
• D) They bind to liver cells and stimulate them to replicate.
• E) They are just packaging mistakes that occur in some cells and they serve no purpose.

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Definitions:

Forecast Accuracy

The degree to which a forecast predicts actual outcomes.

Sum of Squares

A statistical technique used to measure the variation or dispersion of a set of values, by quantifying the summation of the squared differences between each value and the mean of the set.

Deseasonalized Time Series

A time series from which seasonal effects have been removed to analyze the underlying trend without seasonal variability.

Moving Averages

Moving averages are statistical measures used to analyze data points by creating a series of averages of different subsets of the full data set.