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[Meer zien]Koch and his Postulates - 1. the microorganism must be present in every case of the disease but 
absent in healthy individuals 
2. the suspected organism must be isolated and grown in a pure culture 
3. the same disease must result when the isolated microorganism is inoculated into a healthy host 
4...
Voorbeeld 3 van de 17 pagina's
In winkelwagenKoch and his Postulates - 1. the microorganism must be present in every case of the disease but 
absent in healthy individuals 
2. the suspected organism must be isolated and grown in a pure culture 
3. the same disease must result when the isolated microorganism is inoculated into a healthy host 
4...
Differential media - allow certain bacteria to be differentiated from others by change of color, 
zone of clearing, or other 
Bacteria can prevent phage attachment and escape infection by acquiring mutations on genes which 
alter their _________. - cell surface receptors 
A _______ agent does not ki...
Voorbeeld 2 van de 11 pagina's
In winkelwagenDifferential media - allow certain bacteria to be differentiated from others by change of color, 
zone of clearing, or other 
Bacteria can prevent phage attachment and escape infection by acquiring mutations on genes which 
alter their _________. - cell surface receptors 
A _______ agent does not ki...
Gram positive bacteria do not retain CV when gram stained, so they appear pink after counter-staining 
with safranin. T/F - False. They do retain crystal violet and appear purple 
Complex media is made with precise chemical composition. T/F - False. Complex media has 
unknown composition 
______ is ...
Voorbeeld 2 van de 6 pagina's
In winkelwagenGram positive bacteria do not retain CV when gram stained, so they appear pink after counter-staining 
with safranin. T/F - False. They do retain crystal violet and appear purple 
Complex media is made with precise chemical composition. T/F - False. Complex media has 
unknown composition 
______ is ...
1x verkocht
Scientist __________ sealed his container of broth prior to boiling it to disprove the theory of 
spontaneous generation 
a. John Needham 
b. Lazzaro Spallanzani - Lazzaro Spallanzani 
Antony van Leeuwenhoek was inspired by _________________'s microscope work and refined it even 
more. 
a. Edward J...
Voorbeeld 2 van de 9 pagina's
In winkelwagenScientist __________ sealed his container of broth prior to boiling it to disprove the theory of 
spontaneous generation 
a. John Needham 
b. Lazzaro Spallanzani - Lazzaro Spallanzani 
Antony van Leeuwenhoek was inspired by _________________'s microscope work and refined it even 
more. 
a. Edward J...
What is fermentation - Being able to grow anaerobically in the presence of a suitable organic 
compound, such as a sugar. 
Several reduced products are excreted by the cell as a way of disposing of the electrons derived from 
oxidation. 
Function and Types of hydrolytic enzymes - Hydrolytic enzymes ...
Voorbeeld 2 van de 6 pagina's
In winkelwagenWhat is fermentation - Being able to grow anaerobically in the presence of a suitable organic 
compound, such as a sugar. 
Several reduced products are excreted by the cell as a way of disposing of the electrons derived from 
oxidation. 
Function and Types of hydrolytic enzymes - Hydrolytic enzymes ...
B-lactam resistance - Lactamases - enzymes that cleave beta lactam structure usually between 
carbon and nitrogen - makes it no longer a structural mimic and transpeptidase keeps cross-linking 
peptide side chains 
Antimicrobial Agents - Agents that kill microorganisms or inhibit their growth 
-cida...
Voorbeeld 3 van de 18 pagina's
In winkelwagenB-lactam resistance - Lactamases - enzymes that cleave beta lactam structure usually between 
carbon and nitrogen - makes it no longer a structural mimic and transpeptidase keeps cross-linking 
peptide side chains 
Antimicrobial Agents - Agents that kill microorganisms or inhibit their growth 
-cida...
Chemicals used to decrease the number of microbes on living tissues are called _____ - 
Antiseptics 
A Durham tube is included in the LT broth tubes to detect _____, a byproduct of lactose fermentation. - 
Gas 
_____ (lytic/lysogenic) phages can integrate its DNA into the host genome. - Lytic 
_____...
Voorbeeld 2 van de 10 pagina's
In winkelwagenChemicals used to decrease the number of microbes on living tissues are called _____ - 
Antiseptics 
A Durham tube is included in the LT broth tubes to detect _____, a byproduct of lactose fermentation. - 
Gas 
_____ (lytic/lysogenic) phages can integrate its DNA into the host genome. - Lytic 
_____...
Bacteria shapes - Cocci, bacilli, vibrios (comma shaped), spirilla (spiral), pleiomorphic (various 
shapes) 
adherence molecules to stick to surfaces - - mediated by pili, fibers of pilin proteins possess other 
proteins on their tips for sticking 
- a sex pilus is used for conjugation 
- some micro...
Voorbeeld 3 van de 23 pagina's
In winkelwagenBacteria shapes - Cocci, bacilli, vibrios (comma shaped), spirilla (spiral), pleiomorphic (various 
shapes) 
adherence molecules to stick to surfaces - - mediated by pili, fibers of pilin proteins possess other 
proteins on their tips for sticking 
- a sex pilus is used for conjugation 
- some micro...
Pertaining to the Gram Stain, cells that retain crystal violet & appear purple are said to be __________ - 
Gram positive 
Pertaining to the Gram Stain, cells that do not retain crystal violet & appear pink are said to be Gram 
________ - Negative 
coliform are a subgroup of enteric bacteria classif...
Voorbeeld 2 van de 5 pagina's
In winkelwagenPertaining to the Gram Stain, cells that retain crystal violet & appear purple are said to be __________ - 
Gram positive 
Pertaining to the Gram Stain, cells that do not retain crystal violet & appear pink are said to be Gram 
________ - Negative 
coliform are a subgroup of enteric bacteria classif...
Coliforms are a subgroup of enteric bacteria classified by their ability to ferment which sugar? - 
lactose 
A Durham tube is included in the LT broth tubes to detect ___, a byproduct of lactose fermentation. - 
gas production 
___ is an enzyme that degrades starch. - Amylase 
___ is an opportunisti...
Voorbeeld 2 van de 9 pagina's
In winkelwagenColiforms are a subgroup of enteric bacteria classified by their ability to ferment which sugar? - 
lactose 
A Durham tube is included in the LT broth tubes to detect ___, a byproduct of lactose fermentation. - 
gas production 
___ is an enzyme that degrades starch. - Amylase 
___ is an opportunisti...
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