Cell Flashcards
To be able to identify and understand
What is the scientific name of fruit fly?
Drosophila melanogaster
It is the Basic unit of life. Discovered by Robert Hooke.
Cell
DEFINE:
Cell
It is the Basic unit of life. Discovered by Robert Hooke.
Enumerate the Cell theory
all living things are composed of one or more cells;
the cell is the basic unit of life;
and new cells arise from existing cells.
What are the specialized part of bacteria?
Pili
Capsule
Flagellum
Endospore
DEFINE:
Prokaryote
No true nucleus
No membrane
What are the bacterial cell shapes?
Spheres(cocci)
Rods(Bacilli)
Spirals
Under the sphere shape of bacteria
SPHERE
- Diplococci
- Tetrad
- Staphylococci
- Streptococci
- Sarcina
Rods(bacili)
- Chain of bacili
- Flagellate rods
- Spore former
Spirals
- Vibrios
- Sprilla
- Spirichates
What are the 2 types of cell wall? Differentiate.
Gram positive- to identify bacteria the it gives primarystain, violet or blue
Gram negative-secondary stain red or pink
to identify bacteria the
it gives primarystain, violet or blue
Gram positive
secondary stain red or pink
Gram negative
It surrounds the plasma membrane and protects cell from environmental stress.
Cell wall
What are the chemical use in gram Staining?
Crystal violet(positive) -blue or violet
Iodine
Alcohol
Saframin(negative) -pink or red
selectively permeable with phospholipid bilayer and protein
Cell membrane
It sorrounds the cytoplasm and contains enzymes in metabolic reactions
Cell membrane
Protein membrane and acts as a catalyst
Enzymes
Protein act as a what?
Enzyme
Gelatinous matrix located inside the cell membrane
Made of water, organic and inorganic molecules
Cytoplasm
It contains rRNA and protein.
Ribosome
It is the Area in the cytoplasm where the main chromosome is located.
It contains the bacterial chromosome.
Nucleoid
- gelatinous polysaccharide polypeptide layer
- It sorrounds the cell wall may protect against phagocytosis aids in adherence to surface.
Glycocalyx(capsule/slime layer)
What is phagocytosis?
Cell eating
It is a short thin hollow appendages attached to the cell.
Fimbriae and Pili
- attachment to surface
- conjugation
Fimbrae
Pili
It is a long thin structure consisting of a filament hook and basal body. It rotates and push cell for locomotion.
Flagella
It is wrapped around the cell assoctd with spirochets. It provides mobility to spirochetes.
Axial Filaments yung parang twirl
Smaller, circular extra chromosomal DNA. It is found in some cells in addition to the main chromosomes.
Plasmids
Reserve deposits of various material found in cytoplasm.
Inclusion
Give some examples of inclusion
Sulfur granules, metachromatic granules
The dormant resistant stage of some bacteria. Assists survival of adverse conditions
Endospores
all cells have______,____,______
cell membrane, cytoplasm and genetic material
