Why Do Basic Dyes Attach to Most Bacterial Surfaces

question 44

Multiple Choice

Why do basic dyes attach to most bacterial surfaces

• A)Most bacterial surfaces are negatively charged.
• B)Bacterial cells take up safranin.
• C)Most bacterial surfaces resist taking up the stain.
• D)Most bacterial surfaces do not have a charge.

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Definitions:

α

The significance level in hypothesis testing, typically representing the probability of committing a Type I error.

Type II Error

The error that occurs when the null hypothesis is not rejected when it is actually false, also known as a "false negative".

Sample Size

The number of observations or units chosen from a population for the purpose of statistical analysis.

Lowering Alpha

Reducing the alpha level, or the threshold of significance, to decrease the probability of committing a type I error in hypothesis testing.