Variables in Research Should Have Operational Definitions

question 1

True/False

Variables in research should have operational definitions.

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Definitions:

Gram-negative

Bacteria that do not retain the crystal violet stain used in Gram's method of staining, indicating a specific cell wall structure.

Gram-positive

Bacteria that retain the crystal violet stain used in the Gram staining method, indicating a single thick cell wall, which is important in classifying bacteria and determining appropriate antibiotics.

Enteric Bacterium

Any bacterium that inhabits the intestinal tract, often referring to those that are part of the gut flora or pathogens causing gastrointestinal diseases.

Types Of Dialysis

There are primarily two types of dialysis used to remove waste products and excess fluid from the blood when the kidneys cannot do so sufficiently: hemodialysis and peritoneal dialysis.