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What are the simplest prokaryotic
What are the simplest prokaryotic
Bacteriq
organisms without nuclear membrane are called
organisms without nuclear membrane are called
Bacteria
------- are the simplest prokaryotic (organisms without nuclear membrane) microorganisms having the common chemical composition of DNA, RNA and protein.
------- are the simplest prokaryotic (organisms without nuclear membrane) microorganisms having the common chemical composition of DNA, RNA and protein.
Bacteria
Bacteria are the simplest prokaryotic (organisms without nuclear membrane) microorganisms having the common chemical composition of
Bacteria are the simplest prokaryotic (organisms without nuclear membrane) microorganisms having the common chemical composition of
were among the first living things to appear on Earth, and are present in the soil, water, acidic hot springs, radioactive wastes, and the deep portions of the Earth’s crust.
were among the first living things to appear on Earth, and are present in the soil, water, acidic hot springs, radioactive wastes, and the deep portions of the Earth’s crust.
Bacteria were discovered by
Bacteria were discovered by
Bacteria was discovered in wgat year?
Bacteria was discovered in wgat year?
Who intodyced the word"bacterium"
Who intodyced the word"bacterium"
Thecword bacterium was introduced when?
Thecword bacterium was introduced when?
They also cannot live in symbiotic and parasitic relationships with plants and animals
They also cannot live in symbiotic and parasitic relationships with plants and animals
There are approximately ------bacteria on Earth
There are approximately ------bacteria on Earth
The branch in microbiology concerned in the study of bacteria is called?
The branch in microbiology concerned in the study of bacteria is called?
The branch in microbiology concerned in the study of bacteria(bacteriology) was discovered by
The branch in microbiology concerned in the study of bacteria(bacteriology) was discovered by
Bacterias are disease causing agents aka
Bacterias are disease causing agents aka
A typical bacterial cell measures a few micrometers
A typical bacterial cell measures a few micrometers
Bacteria belongs to whqt kingdom
Bacteria belongs to whqt kingdom
Bacterias are over --- species
Bacterias are over --- species
A bacterias shape could be
A bacterias shape could be
Spherical bacteria;
Spherical bacteria;
Rod shaped bacteria;
Rod shaped bacteria;
Slightly curved rods or comma shaped bacteria;
Slightly curved rods or comma shaped bacteria;
Spiral shaped bacterium
Spiral shaped bacterium
tightly coiled bacteria
tightly coiled bacteria
paired cocci as a result of division.
paired cocci as a result of division.
Cocci arranged in chains due to successive cell divisions in the same axis.
Cocci arranged in chains due to successive cell divisions in the same axis.
Cocci arranged in cubical packets of 8 or multiples of 8 due to division in 3 planes at right angles to each other.
Cocci arranged in cubical packets of 8 or multiples of 8 due to division in 3 planes at right angles to each other.
Coccus that divides in 2 planes and remain in groups of 4
Coccus that divides in 2 planes and remain in groups of 4
Presence of a single polar flagellum at one end of the cell
Presence of a single polar flagellum at one end of the cell
Presence of several flagella at one or both end(s) of the cell.
Presence of several flagella at one or both end(s) of the cell.
Another name for Staphylococcus is?
Another name for Staphylococcus is?
Presence of several flagella over the entire cell surface.
Presence of several flagella over the entire cell surface.
Presence of a single flagellum or multiple flagella at both ends of the cell.
Presence of a single flagellum or multiple flagella at both ends of the cell.
A typical bacterial cell can be divided into
A typical bacterial cell can be divided into
A typical bacterial cell can be divided into 5 regions namely;
A typical bacterial cell can be divided into 5 regions namely;
Syrface appendages are the
Syrface appendages are the
-----is the rigid structure, about 20 nm in diameter and up to 20 µm in length used for motility.
-----is the rigid structure, about 20 nm in diameter and up to 20 µm in length used for motility.
A flagella is how long in diameter and length
A flagella is how long in diameter and length
Protein structures of a flagellum is called what?
Protein structures of a flagellum is called what?
--------originates from the cytoplasm, and it is many times longer than the bacterial cell.
--------originates from the cytoplasm, and it is many times longer than the bacterial cell.
A flagellum consists of how many parts?
A flagellum consists of how many parts?
A flagellum consists of 3 part namely
A flagellum consists of 3 part namely
-----are distributed over the surface of the cell wall, and resemble fine hairs when viewed under the electron microscope
-----are distributed over the surface of the cell wall, and resemble fine hairs when viewed under the electron microscope
They are fine filaments of protein, usually 2-10 nm in diameter and up to several µm in length.
They are fine filaments of protein, usually 2-10 nm in diameter and up to several µm in length.
Fimbriae are shorter and stiffer than flagella.
Fimbriae are shorter and stiffer than flagella.
------are small tube-like projections found on the surface of a bacterial cell wall
------are small tube-like projections found on the surface of a bacterial cell wall
They are similar to the fimbriae in structure, but slightly larger
They are similar to the fimbriae in structure, but slightly larger
Surface Adherents are also called
Surface Adherents are also called
Surface Adherents or Glycocalyx are the
Surface Adherents or Glycocalyx are the
s a disorganised layer of extra-cellular polymer which is non-fluid in consistency
s a disorganised layer of extra-cellular polymer which is non-fluid in consistency
- is the outermost layer of the bacterial cell and is relatively narrow and well defined
- is the outermost layer of the bacterial cell and is relatively narrow and well defined
Capsule is highly structured and composed of?
Capsule is highly structured and composed of?
Macro capsule is greater than - in thickness
Macro capsule is greater than - in thickness
Micro capsule is less than -- in thickness
Micro capsule is less than -- in thickness
common bacterial cell wall material is?
common bacterial cell wall material is?
common bacterial cell wall material is peptidoglycan which is made up of?
common bacterial cell wall material is peptidoglycan which is made up of?
The cell accounts for --- percent of the dry weight of the bacterial cell.
The cell accounts for --- percent of the dry weight of the bacterial cell.
How many types of cell walls does a bacteria have?
How many types of cell walls does a bacteria have?
There are broadly speaking two types of cell wall in bacteria
There are broadly speaking two types of cell wall in bacteria
Bacterial cells which retain the Gram stain after alcoholic treatment are termed
Bacterial cells which retain the Gram stain after alcoholic treatment are termed
Gram stain after alcoholic treatment are termed
Gram stain after alcoholic treatment are termed
Gram Staining Test: It was devised by who
Gram Staining Test: It was devised by who
Grams straining test was devised in what year
Grams straining test was devised in what year
The preparation is then treated with ----- for the decolorization test
The preparation is then treated with ----- for the decolorization test
The Gram Staining Test can be observed by
The Gram Staining Test can be observed by