Gram Stain

Positive

Negative

Shape

Coccus

Arrangement

Single

Diplo

Margin

Entire

Optical Properties

Transparent

Translucent

Cytochrome Oxidase

Positive

Oxidation in Carbohydrates

Glucose and Maltose

Slide Agglutination

Saline

+/-

1+

2+

3+

4+

2+ to 4+

PCR

ctrA and crgA

Neisseria Meningitidis

crgA

None

Lactose

Sucrose

Glucose

Maltose

Negative

Opaque

Undulate

Lobate

Rhizoid

Filamentous

Strepto

Tetrad

Staphylo

Bacillus

Coccobacillus

Vibrio

Spirillum

Spirochete

Issue

Angle No.1

Point of view

Type of narration

Angle No.2

Point of view

Type of narration

Angle No.3

Point of view

Type of narration

Angle No.4

Point of view

Type of narration

Dichotomy Chart