Reading...
Play button
Play button
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;
9 Cards in this Set
- Front
- Back
|
What is the name of the organelles that are primary responsible for bacterial movement?
|
flagella
|
|
|
What is chemotaxis? 2
|
cells moving towards nutrients or growth promoters
cells moving away from harmful substances |
|
|
What is Brownian motion?
|
vibrational movement due to molecules bumping into bacterial cells
|
|
|
How does true motility differ from Brownian motion?
|
True motility is characteristic of bacteria that "swim" using flagella OR a directional movement whereas
Brownian motion is just vibrational movement |
|
|
What type of medium is used in the "Tube Method" for studying motility?
|
semisoft
|
|
|
What rings does gram positive cells contain?
|
S and M
|
|
|
What rings does gram negative cells contain?
|
S, M, L, P
|
|
|
What is done in a wet mound?
|
cells are placed on a microscope slide and covered with glass
|
|
|
What is done in the hanging drop technique?
|
cells are placed on a cover glass, which is then placed over a special slide that has a concave depression center
|
