What Differentiates Gram-Positive and Gram-Negative Bacteria

question 47

Multiple Choice

What differentiates Gram-positive and Gram-negative bacteria?

• A) the type of DNA or RNA they contain
• B) their ability or lack of ability to fix nitrogen
• C) whether they are aerobic or anaerobic
• D) whether their cell walls have a thin or thick layer of peptidoglycan
• E) their specific rRNA sequences

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Definitions:

First Quartile

The value below which 25% of the observations fall, marking the lower quarter of the data set.

Median

The middle value in a sorted list of numbers, dividing the dataset into two halves.

Third Quartile

A statistical term which represents the 75th percentile of a dataset, indicating that 75% of the data points fall below this value.

Box Plot

A graphical representation of data that shows the distribution's five-number summary: minimum, first quartile, median, third quartile, and maximum.