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Micro

Microbiolgy chap 4

QuestionAnswer
What is the difference between prokaryote and eukaryote cells? Prokaryote has NO NUCLEUS AND NO MEMBRANE AND NO HISTONES.
What is an exaple of a Prokaryote cell? Bacteria
What is an example of a Eukaryote cell? humans, plants
How many domains does the Prokaryote cell have? 3 domains. Archaea, Bacteria, and Eukarya
What is the difference in archaea and bacteria? Their cell structure and where they grow.
What are the 3 basci shapes of a bacteria? Cocci- sphrericalBaccilli- Rod shapedSpiral- Twisted
How is streplococci? One on top of another, in coccus and in one plane.
How is staphylococci? 3 planes, cluster, cocci
How is coccobacillius? Rod rounded ends
How many types of spiral are there? 3 types; vibras, spirilla, spirochete
Which spiral types look like a comma? vibras
Which spiral types look like a wave? spirochete
What is the function of a capsule? Prevent phagomytosis, nurishes and helps stick, protects from drying
What is the capsule made of? Sugar
What is another material the capsule is made of? Polysaccharide
What is the flagella used for Movement
What is the brown movement> Goes round and round
Bacteria that lack flagella are called? Atrichous
A flagella that has singular polar flagellum is called? Monotrichous
A flagella that has tuft at each end is called? Amphitrichous
A flagella that has two or more flagella at one or both ends of cell is called? Lophotrichous
A flagella that has flagella all over the entire cell is called? Peritrichous
What are the three parts of the flagella> Basal Body, Hook and Filament
What are the types of movement? Run and tumble. run goes straight and tumble shift direction
A flagella that has two or more flagella at one or both ends of cell is called? Lophotrichous
A flagella that has flagella all over the entire cell is called? Peritrichous
What are the three parts of the flagella> Basal Body, Hook and Filament
A flagella that has two or more flagella at one or both ends of cell is called? Lophotrichous
What are the types of movement? Run and tumble. run goes straight and tumble shift direction
A flagella that has flagella all over the entire cell is called? Peritrichous
What are the three parts of the flagella? Basal Body, Hook and Filament
What are the types of movement? Run and tumble. run goes straight and tumble shift direction
What is the outer most region of the flagellum? Filament
How many rings does the Gram negative have? two pair of rings. The outer pair rings is anchored to various portions of the cell wall. and the inner pair rings is ancored to the plasma membrane.
How many rings does the gram positive have? one pair
How are Prokaryotic and Eukaryotic cells similiar? In their chemical compostion and chemical reactions.
Where is peptidoglycan found? In the cells of the prokaryotic cell.
How do prokaryotic bacteria multiple? By binary-fusion
What is glycocalyx? The substances that surrounds the cells.
What does glycocalyx consist of? A viscous(sticky), gelatinous polymer that is external to the cell wall and composed of polysaccharide, polypeptide or both.
Another name for flagella? H antigen
What is phototaxis? Light that produces movement.
What is chemotaxis? Chemicals that produces movement.
What is the difference between pili, and fimbraie? Pili transfer the DNA and Fimbraie attached to the cell and stone
What is the difference is size in pili and fimbraie? Pili are longer the fimbraie
What are pili and fimbraie? Both are Gram negative and only seen in electron microscope. and are both protein.
What are the two sugars in peptidoglycan? NAM and NAG
Gram positive cells consits of peptidoglycan and? polymer consisting of NAM and NAG and short chains of amino acids.
Which is thicker Gram + or Gram -? Gram positive
Gram negative have? NO teichoic acid. Have a lipo protien and phpspholipid and lipopolysaccharide.
Which has periplasm? Gram negative. which is the space between cell membrane and outermembrane.
Gram positive cells consits of peptidoglycan and? polymer consisting of NAM and NAG and short chains of amino acids.
What is atrichous? No hair
What is the cell wall? 2nd layer, and gives shapes to cell.
What is the cell wall function? prevents from water rushing in by holding cell together.
what is it endotaxis? causes high fever and shock.
Do all bacteriaum have a cell wall? No
Which bacteria does not have a cell wall? Microplasma
What is protoblast? A wall less postive cell
What is spehroblast? A wall layer negative cell
Why does gram + holds purple color? Alot of peptidoglycan
Why does gram - loose it color? Alcohol dissolves, fat makes opening bigger and washes it out.
What is the plasma membrane function? Selective barrier, holds cell together
What is mesosomes? Irregular folds in plasma membrane
Do bacteria cell have a nucleus? No cause it a Prokaryotic cell.
What is the function of the ribosomes? synthesis
How many ribosomes do the prokaryotic? 70s
What is the process in making in endospores? Sporulation
What is the process in making endospores go back? Germination
Responsible heat resistance at spore? calcium ions + dipicolonic acid.
Created by: shanapiggy