Unit 7 Review Flashcards
What do TEM, STM, and a light microscope show
TEM: organelles
STM: molecules
Light microscope: cells
What are the three types of stains
Simple, differential, and special
What are simple stains
They are stains that add only one color to the cells
What are differential stains
They are stains that use multiple colors to enhance specific structures in a cell
What are two types of differential stains
Gram stain (gram positive, gram negative) and acid-fast stain
What are special stains
Special stains only dye certain structures in a cell
What is it called when you add a sample of bacteria into a culture
Inoculate
What is the main difference between the domains Archaea and Bacteria
Archaea dose not have the chemical peptidoglycan
What are the 4 extremophiles and what are their characteristics
Halophiles (salt) thermophiles (heat) acidophiles (acid) methanogens (methane generators)
What is the main method of reproduction among bacteria
Binary fission
What is the shape of coccus and cillus and spirillum
Coccus: rod
Baillus: circular
Spirillum: spiral
What is the color of gram positive/negitive stain
Positive: purple
Negative: red
What makes good bacteria toxic
It got into the wrong place in the body
Gram negative
Gammaproteobacteria and nonproteobacterea
Gram positive
Firmicutes and actinobacteria