Staining
Gram positive cells appear as this color under a microscope when properly stained.
What is purple?
A positive citrate test will turn from green to this color.
What is blue?
The hemolysin that results in the most complete breakdown of RBCs.
What is beta hemolysin?
Positive acid production results in a change of the tube from red to this color.
What is yellow?
A positive catalase test can be visually determined by the presence of these.
What are bubbles?
Bacterial cells arranged in chains are referred to as this root word.
What is strepto?
IMViC is used to tell gram negative bacteria apart, typically those found in the intestines, which are known as this term.
What are enterics?
Mannitol salts are DIFFERENTIAL for this ability.
What is fermentation of mannitol?
The chemical formula for glucose.
This test, if positive, changes color from peachy to fuchsia pink. It can also be used to detect H. pylori in your stomach.
What is urease?
After acid fast staining, microbes that are not acid fast appear blue, whereas positive acid fast microbes present with this color.
What is fuschia/pink?
The indole test produces a cherry red color if this amino acid is broken down.
What is tryptophan?
On EMB, a metallic green color indicates high production of this substance.
What is acid?
This microbe is a facultative anaerobe that ferments glucose and lactose, but not sucrose.
What is E. Coli?
Root like structures found in fungi that help it obtain nutrients.
What are hyphae?
These two genus of bacteria produce endospores that are green when observed after endospore staining.
What are Clostridium and Bacillus?
These two reagents are used in the VP test.
What is Barritt's A naphthol and Barritt's B 40% KOH
S. aureus would appear as this color on the mannitol salts test.
What is yellow?
The process that combines two glucose molecules into a disaccharide, releasing water.
What is dehydration synthesis?
The name of asexual reproductive structures found in rhizopus.
What are sporangium? (Attached to sporangiophores)
Acid fast staining is typically used to determine the presence of this genus.
What is mycobacterium?
A positive VP test detects the presence of this intermediate product.
What is acetoin?
EMB is SELECTIVE based on this quality.
What is gram negative bacteria?
The name for microbes that can produce energy with or without oxygen.
What are facultative anaerobes/aerobes?
This experiment looks for the presence or absence of a specific enzyme in the electron transport chain.
What is the oxidase test? (Looks for cytochrome c oxidase)