Font size
WorksheetsMicrobiology and Parasitology Quiz
Total questions: 61
Worksheet time: 46mins
Nucleic acid + protein
Porins
Glycocalyx
Ribosomes
Chromosomes
These cells contain carbohydrates, generally lacks sterol?
Eukaryotes
Prokaryotes
What is the shape of most bacteria?
Monomorphic
Pleomorphic
Stella
Haloarcula
Proteins that form the flagella in eukaryotes?
Flagellin
Motile cells
Tubulin
Histones
Cell wall of algae?
(a)
These are organized and firmly attached to the cell wall, which can be determined with negative staining?
(a)
Examples of pleomorphic microbes.
(a)
This means single flagellum is at one pole?
(a)
Flagella can be either at one or both poles of the cell?
(a)
Enumerate the 3 basic parts of flagella
(a)
Outer and inner pair of rings can be found in what bacteria?
(a)
Which pair is anchored to the plasma membrane?
(a)
Some flagella are used as what?
(a)
If the chemotactic signal is negative, what is it called?
(a)
These are semi-rigid and helical structure that moves the cell by rotating it either clock or counterclockwise
(a)
Difference between prokaryotic and eukaryotic flagella?
Eukaryotic- wavelike
Prokaryotic- rotating
Eukaryotic- rotating
Prokaryotic- wavelike
These are caused by the reversal of flagellar rotation?
(a)
These are useful in distinguishing serovars
(a)
These serovars are associated with foodborne epidemics
(a)
Best known spirochete
(a)
Their structures are similar to flagella and initiates the movement of spirochetes
(a)
These are hair-like appendages that are shorter, straighter, and thinner than flagella
(a)
These are usually longer than fimbriae and involved in both motility and dna transfer.
(a)
Does animal cells have cell wall?
True
False
Ano ang ginagamit sa animal cell instead of cell wall
(a)
Teichoic acids are positively charged?
True
False
Gel-like fluid located between plasma membrane and outer membrane
(a)
These proteins form channels that allows the passage of molecules like disaccharides, nucleotides, and other nutrients, etc.
(a)
This means cell drinking
(a)
This means cell engulfing
(a)
It is attached to lipid A containing unusual sugars
(a)
These functions as endotoxins when a G (-) bacteria die.
(a)
In gram negative bacteria, alcohol dehydrates peptidoglycan to make it more impermeable to crystal violet-iodine solution
True
False
These are useful in distinguishing species of g (-) bacteria.
(a)
They are colorless after alcohol wash
(a)
Instead of NAM, what is in the wall of archaea
(a)
These inhibits bridges in peptidoglycan
(a)
these are wall-less cells that swell into irregular shapes
(a)
lysozymes are first treated with this to be able to exert its effect on g (-) bacteria
(a)
BACTERIA THAT ARE MORE SUSCEPTIBLE TO PENICILLIN
(a)
Axial Filaments
1. They are found in spirochetes
2. Treponema pallidum and Borrelia burgdorferi
3. Bundle of Fibris
TFF
FTF
FFF
TTT
Flagella that is distributed over the entire cell.
(a)
Bacterial arrangements:
1. rod shaped in pairs are called diplococci
2. round shaped in chains are called streptobacilli
3. round shaped in clusters are called staphylococci
TFF
TFT
FFT
TTF
Bacterial shapes:
1. Most bacteria are pleomorphic that possess only one shape
2. Some shaped bacteria are star-shaped called stella
3. Some shaped bacteria are square shaped called Haloarcula
TTF
FFT
TFT
FTT
Consist many layers of peptidoglycan
(a)
Teichoic acids:
1. Lipoteichoic acid links to plasma membrane
2. Wall teichoic acid links to peptidoglycan
TF
FF
FT
TT
Prokaryotic plasma membranes
1. They contain sterols and complex lipids
2. They contain carbohydrates, which serve as attachment sites for bacteria and as receptor sites
TT
TF
FT
FF
Fluid inside the plasma membrane
(a)
In bacterial cell, consist of hereditary information
(a)
these organelles make proteins by joining amino acids together
(a)
Destroys H2O2
(a)
These are resistant to heat, chemicals, and dessication
(a)
Cell walls of yeasts
(a)
Proteus:
1. Some species of this bacteria are endowed with many flagella
2. These can "swarm," or show rapid wavelike movement across a solid culture medium
TF
TT
FT
FF
These antibiotics causes leakage of the intracellular contents of cells.
(a)
Movement of water from high water conc to low water concentration
(a)
Glycocalyx
1. If the substance is unorganized and only loosely attached to the cell wall, the glycocalyx is described as a slime layer
2. If the substance is organized and is firmly attached to the cell wall, the glycocalyx is described as a capsule
FT
TF
TT
FF
Both prokaryotic and eukaryotic cells
1. have a plasma membrane
2. have a double layer of lipids that separates the cell interior from the outside environment
3. This double layer consists largely of specialized lipids called phospholipids
FTT
TTT
TFF
FFF
Prokaryotic cells:
1. It consist of no ‘well defined nucleus’ and scattered genetic material
2. It consist of membrane bound cell organelles
3. Cells of bacteria
FTF
FFF
TFT
TTT
Damage to cell walls
1. Mycoplasma is a wall-less cell.
2. Lysozyme is a wall-less Gram-positive cell.
3. Spheroplast are wall-less cells that swell into irregular
shapes.
FTF
FFF
TFT
TTT
Cell wall of the bacterial cell
1. It helps maintain the shape of a bacterium and serves as a point of anchorage for flagella.
2. The chemical composition of the cell wall is used to differentiate major types of bacteria
FT
TF
FF
TT
