Which Statement About Bacteria Is True

question 83

Multiple Choice

Which statement about bacteria is true?

• A) Gram-positive bacteria have a lot of peptidoglycan in their cell walls and stain blue to purple.
• B) Gram-negative bacteria have no peptidoglycan in their cell walls and stain blue to purple.
• C) Gram-positive bacteria weigh more than a gram.
• D) Gram-positive bacteria have relatively little peptidoglycan in their cell walls and stain pink to red.
• E) Gram-negative bacteria lack a cell membrane.

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Definitions:

Observed Differences

Variations or disparities noted upon examination or comparison of subjects or objects.

Standard Deviations

A statistic that measures the dispersion or variability within a set of numerical data, indicating how much individual data points differ from the mean.

Population Averages

Statistical measures that summarize the central tendency of the characteristics of all individuals within a defined group.

Good Estimates

Approximations or judgments that are considered to be close to the actual value or outcome, often based on some form of logical reasoning or previous data.