An Unidentified Cell Was Found to Contain Introns and Exons,to

question 21

Multiple Choice

An unidentified cell was found to contain introns and exons,to express DNA polymerase and RNA polymerase.Although it exhibits a promoter region it has no operons.You conclude that this cell:

• A)is eukaryotic.
• B)is prokaryotic.
• C)is either a prokaryotic or eukaryotic cell.
• D)is actually a virus.

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Definitions:

Power Analysis

A statistical method used to determine the sample size required to detect an effect of a given size with a specific degree of confidence.

Sample Size

The number of observations or participants in a study, significant for determining the study's statistical power.

Internal Validity

The extent to which a study can demonstrate a clear cause-and-effect relationship, limiting the impact of external variables.

Dependent Variables

In an experiment, these are the variables that are tested and measured to see how they are affected by changes in independent variables.