Imagine That You Discovered the Following Information About the Three

question 44

Multiple Choice

Imagine that you discovered the following information about the three domains of life:
Feature Bacteria Archaea Eukaryotes
RNA polymerase small, simple complex complex
Introns absent present present
Antibiotic sensitivity sensitive insensitive insensitive
Membrane Lipids C chains unbranched C chains branched C chains branched
These data would support which of the following conclusions?

• A) Eukaryotes share a more recent common ancestor with bacteria than with archaea.
• B) Bacteria are the only one of the three groups that lacks a nucleus.
• C) Archaea are more similar to bacteria than to eukaryotes.
• D) Eukaryotes are more similar to archaea than to bacteria.

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Definitions:

Population Parameter

A numerical value summarizing the entire population that can often be estimated by a statistic derived from a sample.

Margin of Error

The maximum expected difference between the true population parameter and a sample estimate of that parameter.

Estimator's Squared Bias

The squared difference between an estimator's expected value and the true value of the parameter being estimated.

Variance

The average of the squared differences from the Mean, measuring the spread between numbers in a data set.