Show:
History & scope
Cell chemistry
Cell structure
Cell growth
Miscellaneous
100
Who discovered bacteria?
Van Leeuwenhoek
100
Simplest organic molecule
Methane
100
The cell membrane and cell wall
Cell envelope
100
Name a method of growth found in bacteria besides binary fission
budding, filamentous growth, production of swarm cells
100
How many origins of replication in a bacterial chromosome?
one
200
Who created the swan neck flask?
Pasteur
200
Bond created by condensation reaction between sugars
glycosidic bond
200
The two sugars in peptidoglycan
N-acetyl muramic acid, N-acetyl glucosamine
200
Name the two main parts of binary fission.
Chromosome replication and cytokinesis (separation of cytoplasm).
200
What layer in an endospore is immediately outside the core?
Cortex
300
Who discovered evidence for the existence of viruses?
Iwanowski or Beijerinck
300
Name an example of secondary protein structure
Alpha helix, beta pleated sheet
300
Part of the cell you would find phosphatidyl ethanolamine
Cell membrane (lipid)
300
Name a cytokeleton-like protein involved in bacterial cell division.
MreB, MinCD, FtsZ BONUS: name its function
300
Name two ecological types of archaea
Methanogens, halophiles, extreme thermophiles, psychrophiles
400
Who confirmed the existence of endospores
Tyndall
400
Name three parts of a nucleotide
pentose sugar, nitrogenous base, phosphate
400
The toxic part of LPS
Lipid A
400
Period of the growth phase in which the cells are dividing at regular intervals.
Log or exponential phase
400
What does the cell wall of most archaea consist of?
Protein or glycoprotein
500
Infectious agent made of only RNA that does not encode proteins.
Viroid
500
sterol-like molecule found in bacterial membranes
hopanoid
500
Name three functions of capsule
attachment, virulence (inhibits phagocytosis), prevents desiccation
500
Write the equation for determining number of generations.
n=3.3(LogNt-LogNo)
500
Describe at least three differences between Gram-positive and Gram-negative cell structure. (Be specific about what you are ascribing to which type)
GM+: thicker peptidoglycan, teichoic & lipoteichoic acids Gm-: has thinner PG, outer membrane, LPS, porins, lipoproteins connecting PG and OM