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;
14 Cards in this Set
- Front
- Back
|
Capsule |
A distinct, thick gelatinous material that surrounds som microorganisms |
|
|
Chemotaxis |
Movement of a cell toward or away from a certain chemical in the environment |
|
|
Cytoplasmic Membrane |
A phospholipid bilayer embedded with proteins that surrounds the cytoplasm and defines the boundary of the cell |
|
|
Endospore |
An extraordinarily resistant dormant cell produced by some bacteria |
|
|
Flagellum |
A type of structure used for cell movement |
|
|
Gram-Negative Bacteria |
Bacteria that have a cell wall characterized by a thin layer of peptidoglycan surrounded by an outer membrane; when Gram stained, these cells are pink |
|
|
Gram-Positive Bacteria |
Bacteria that have a cell wall characterized by a thick layer of peptidoglycan; when Gram Stained, these cells are purple |
|
|
Lipopolysaccharide (LPS) |
Molecule that makes up the outer layer of the outer membrane of Gram-negative bacteria |
|
|
Peptidoglycan |
A macromolecule that provides strength to the cell wall; it is found only in bacteria |
|
|
Periplasm |
The gel-like material that fills the region between the cytoplasmic membrane and the outer membrane of the Gram-negative bacteria |
|
|
Pili |
Cell surface structures that allow cells to adhere to certain surfaces, some types are involved in a mechanism of DNA transfer |
|
|
Plasmid |
Extrachromosomal DNA molecule that replicates independently of the chromosomes |
|
|
Ribosome |
Structure involved in protein synthesis |
|
|
Transport Proteins |
Mechanism used to transport nutrients and other small molecules across the cytoplasmic membrane |
