Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
15 Cards in this Set
- Front
- Back
|
Preparing Smears for Staining Stains consist of a p_________ and n______ ion C_______________- dye that carries a charged particle (ion) |
positive;negative Chromophore |
|
|
In a b______ dye, the chromophore is a cation (____ ion). |
basic + |
|
|
In an a_____ dye, the chromophore is an cation (___ion). |
acid negative |
|
|
Bacterial cell walls carry a slightly n______ charge |
negative |
|
|
use of s_______ b______ dye is called a s________ stain |
single basic; simple |
|
|
A m_______ may be used to hold the stain or coat the speciment to enlarge it. |
mordant |
|
|
S_______ stains use b______ dyes ot stain the cell wall of themicrobe |
Simple;basic |
|
|
Staining the background instead of the cell with a______ dyes i is called n______ staining |
acidic; negative |
|
|
D________ stains use more than one dye (usually b_______) |
Differential; basic |
|
|
The color of the specimen may be different depending on its c______ w_______ characterisitcs |
cell wall |
|
|
The g_______ s______ classifies bacteria into g_____-______ and gram-________ |
gram stain; gram positive; gram negative |
|
|
Cells that retain a basic stain in the presence of acid-alcohol are called a________-f______ |
acid fast |
|
|
N_____ a_____-____ cells l_______ the b______ s______ when rinsed with acid-alcohol, and are usually counter stained (with a different color basic stain) to see them |
Non acid fast;lose;basic stain |
|
|
Color acid fast cells are stained |
Pink |
|
|
No acid fast cells are stained this color |
blue |
