exam 1 kahoot Flashcards
What is the most abundant biological entity on earth?
viruses
do all bacterias cause disease?
false
type of cell is highly compartmentalized
eukarytoic cell
cell wall component unique to g- bacteria
periplasm (area between the two membranes)
- both bacteria have peptidoglycan
- g- also is the only one that has LPS
what do bacterial cells divide by
binary fission
-copy DNA then split
stage of bacterial growth curve occurs when organisms sense and adapt to the environment
lag phase
end product of glycolysis that can be toxic if accumulated
pyruvate
classification indicated bacteria can survive with 5% oxygen
microaerophiles
are eukaryotic and prokaryotic ribosomes identical?
no!!
-this is what allows bacterial cells to be good target for antibiotics. they are smaller and exploit differences for antibiotics
group of genes that bacteria control
operon
machinery that is needed for conjugation
sex pilus
specialized transduction occurs with lysogenic phage only T or F
TRUE
Which is not one of Kochs postulates
present in healthy individuals
class of antibiotics blocks transpeptidase
Beta-lactams
enzyme degrades beta-lactam antibiotics
penicillinase