Examlex
Give the number of valence electrons for Cl.
Gram-positive
Refers to bacteria that retain a primary stain and appear purple under a microscope after a Gram staining procedure, typically having a thick peptidoglycan layer.
Laboratory Test
A procedure carried out under controlled conditions to determine the effectiveness, safety, or composition of a substance.
Gram-negative
Refers to bacteria that have a specific cell wall structure which does not retain the crystal violet stain used in Gram's method of staining; often associated with higher resistance to antibiotics.
Lipids
A broad class of biomolecules that are insoluble in water and include fats, oils, and cholesterol, playing key roles in energy storage and cell structure.
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