How many of these strains of E. coli would have no ß-galactosidase activity?

Ebk:Nutrition & Diet Therapy
10th Edition
ISBN:9780357391747
Author:DEBRUYNE
Publisher:DEBRUYNE
Chapter5: Protein
Section: Chapter Questions
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How many of these strains of E. coli would have no ß-galactosidase activity?

 

 

 

a) I', o*, z*, Y* (no glucose, no lactose)
b) I', o*, z*, Y* (no glucose, high lactose)
c) I', o*, z*, Y* (high glucose, no lactose)
d) 1', o*, z*, Y* (high glucose, high lactose)
e) I', o*, z', Y* (no glucose, no lactose)
f) I°, o*, z', Y* (high glucose, high lactose)
g) 1', o", z*, Y- (high glucose, high lactose)
h) I', o", z*, Y* (no glucose, no lactose)
i) , o", z*, Y* (no glucose, high lactose)
j) , o", z*, Y* (high glucose, no lactose)
k) I', o", z*, Y* (high glucose, high lactose)
I) 1,0*, z*, Y* (no glucose, no lactose)
m)1, o°, z*, Y* (no glucose, high lactose)
n) 1, 0*, z*, Y* (high glucose, no lactose)
o) 1, 0*, z*, Y* (high glucose, high lactose)
p) , o*, z*, Y* (no glucose, no lactose)
q) 1`, o*, z*, Y* (no glucose, high lactose)
r) , 0+, z*, Y* (high glucose, no lactose)
s) i,0+, z*, Y* (high glucose, high lactose)
Transcribed Image Text:a) I', o*, z*, Y* (no glucose, no lactose) b) I', o*, z*, Y* (no glucose, high lactose) c) I', o*, z*, Y* (high glucose, no lactose) d) 1', o*, z*, Y* (high glucose, high lactose) e) I', o*, z', Y* (no glucose, no lactose) f) I°, o*, z', Y* (high glucose, high lactose) g) 1', o", z*, Y- (high glucose, high lactose) h) I', o", z*, Y* (no glucose, no lactose) i) , o", z*, Y* (no glucose, high lactose) j) , o", z*, Y* (high glucose, no lactose) k) I', o", z*, Y* (high glucose, high lactose) I) 1,0*, z*, Y* (no glucose, no lactose) m)1, o°, z*, Y* (no glucose, high lactose) n) 1, 0*, z*, Y* (high glucose, no lactose) o) 1, 0*, z*, Y* (high glucose, high lactose) p) , o*, z*, Y* (no glucose, no lactose) q) 1`, o*, z*, Y* (no glucose, high lactose) r) , 0+, z*, Y* (high glucose, no lactose) s) i,0+, z*, Y* (high glucose, high lactose)
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