Which of the Following Organisms Best Describes a Catalase-Negative,gram-Positive Coccus

question 2

Multiple Choice

Which of the following organisms best describes a catalase-negative,gram-positive coccus that is β-hemolytic on sheep blood agar,and bacitracin positive?

• A)Streptococcus pyogenes
• B)Streptococcus pneumoniae
• C)Staphylococcus epidermidis
• D)Micrococcaceae spp.

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Definitions:

Groups are Equivalent

This term refers to the condition in experimental research designs where different groups are matched on key characteristics or variables to ensure comparability and control for confounding variables.

Social Desirability

The tendency of respondents to answer questions in a manner that will be viewed favorably by others, which can bias survey and research outcomes.

Cognitive Dissonance

A psychological phenomenon where there is a feeling of uncomfortable tension which comes from holding two conflicting thoughts in the mind at the same time.

Carryover Effect

A phenomenon where the effect of a previous condition persists and influences performance in subsequent conditions in a study.