Viruses,viroids,and Prions All

question 47

Multiple Choice

Viruses,viroids,and prions all

• A)operate intracellularly.
• B)may be considered acellular agents of disease.
• C)contain DNA.
• D)infect only animals.
• E)operate intracellularly AND may be considered acellular agents of disease.

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Definitions:

T-Test

A statistical test used to determine if there is a significant difference between the means of two groups, which may be related in certain features.

Paired-Difference T-Test

A statistical method used to compare the means of two related groups to determine if there is a significant difference between them.

Normally Distributed

A type of probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean.

Sample Variances

A measure of the dispersion of a set of data points in a sample.