Lab 9 Quiz (for 11/6) Flashcards
Observing Bacterial Cultures
Bacteria
(General Prokaryotic Cell)
Everything that is boxed = know for quiz
- no nucleus
- one chromosome
How do bacteria split?
binary fission (from one cell to two cells)
Horizontal Gene Transfer
transferring genes between two bacterial cells of the same generation.
swapping DNA between the two daughter cells
Only bacteria! Humans can not do that!
Transformation
Bacterial cell accepts and takes in pieces of DNA from its environment
Conjugation
Two cells making contact
direct contact transmission of DNA from a donor cell to a recipient cell through a pilus (conjugation bridge)
Ex: a vampire bitting another person
Shapes:
Coccus, Bacillus, Vibrio and Spirillum
Coccus = sphere
Bacillus = cigarette
Vibrio = curved rod
Spirillum = spiral (wine cork)