Micro Biology > EXAMs > CCBC Microbiology 230-Summer 2022- Quiz #2 (All)
CCBC Microbiology 230-Summer 2022- Quiz #2
Document Content and Description Below
CCBC Microbiology 230-Summer 2022- Quiz #2 1. Why do we heat fix the bacteria to the slide before staining? - ✔✔So the bacteria will hold the stain better. 2. A basic dye has the color in the ... _____________ ion - ✔✔Positive 3. All bacteria have a slight negative charge; a basic dye has the color in the positive ion. Opposite charges attract. This is the principle behind: - ✔✔direct staining 4. Why do gram positive bacteria appear purple after staining? - ✔✔The alcohol and acetone dehydrates the many layers of peptidoglycan 5. A bacterial that has one flagella is called what? - ✔✔Monotrichis. 6. A bacteria that has flagella all around its outside coat (surrounded by flagella) is called what? - ✔✔Peritrichas. 7. A bacteria that has a flagella that is coming out both ends is called what? - ✔✔Lophotricus. 8. A bacteria that has a single flagella at both poles is called what? - ✔✔Amphitrichous. 9. What are the steps for staining a capsul? - ✔✔1) put five loops of bacteria on a slide from a broth mixture 2) Let mixture dry on slide. 3) add two drops of crystal violet, spread on slide. 4) let slide dry for 1-2 min. 5) flood slide with copper sulfate let sit for 20 seconds. 6) Shake off excess copper sulfate.7) Blot slide dry. [Show More]
Last updated: 3 years ago
Preview 1 out of 8 pages
.png)
Buy this document to get the full access instantly
Instant Download Access after purchase
Buy NowInstant download
We Accept:
Reviews( 0 )
$10.00
Can't find what you want? Try our AI powered Search
Document information
Connected school, study & course
About the document
Uploaded On
Jun 08, 2022
Number of pages
8
Written in
All
Additional information
This document has been written for:
Uploaded
Jun 08, 2022
Downloads
0
Views
48
