Alph $\beta$ )-Hemolysis Is
A) Complete Clearing of Erythrocytes in a Blood

question 1

Multiple Choice

Alph ( $\beta$ ) -hemolysis is

• A) complete clearing of erythrocytes in a blood agar plate (BAP) around and under the colony.
• B) partial lysing of erythrocytes in a BAP around and under the colony.
• C) when organisms have no lytic effect on the erythrocytes in the BAP.
• D) a pink "halo" around a colony.

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Definitions:

Critical Value

A threshold in hypothesis testing that determines the boundary for rejecting or failing to reject the null hypothesis.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it marks the threshold of statistical significance.

P Value

The probability of obtaining test results at least as extreme as the observed results, assuming that the null hypothesis is correct.

Null Hypothesis

A statement proposing no significant difference or relationship between variables, serving as a default assumption to be tested against.