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MIP-300 Exam 1
Question | Answer |
---|---|
What color is a Gram neg(-) stain? | Pink |
What color is a Gram pos(+) stain? | Purple |
What color are non-acid-fast cells? | Blue |
What color are acid-fast (mycolic) cells? | Hot pink |
What color are spores in endospore staining? | Green |
What color are the cells in endospore staining? | Red/pink |
What do carboxysomes contain and why? | The function of the carboxysome is to concentrate CO2 with close proximity to RuBisCO, eliminating the competitive reaction with oxygen |
What do cyanophycins contain and why? | It is used as a nitrogen storage compound and serves as a dynamic buffer for fixed nitrogen in cyanobacterial heterocysts |
What compound is responsible for core dehydration? | Calcium diplicolinic acid stabilizes the DNA |
What surrounds the dehydrated core, making the cortex? | PPG |
What covers the cortex? | Proteins |
What triggers the activation step in spore germination? | Heat |
What triggers the germination step in germination? | The presence of food |
What makes the new cell components in the outgrowth stage of germination? | Protoplast |
What do capsules prevent? | Macrophage binding |
What is a glycocalyx? | A "sugar shell" that encompasses both the capsule and slime layer of bacteria. |