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TLS Online TPP Program

#Question id: 2651

In the presence of lactose, how long does it take for the lac operon to be expressed?

#XL - T Zoology

  1. when lactose equals glucose concentration

  2. when glucose is more than lactose concentration

  3. as long as lactose is more than glucose concentration

  4. as long as lactose is more than galactose concentration

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TLS Online TPP Program

#Question id: 2165

#XL - S Microbiology

Which of the following properties is characteristic of P-class ion-motive ATPases?
TLS Online TPP Program

#Question id: 2166

#XL - S Microbiology

Typical ion/ligand concentrations are
TLS Online TPP Program

#Question id: 2167

#XL - S Microbiology

Polarized cells in animals
TLS Online TPP Program

#Question id: 2168

#XL - S Microbiology

Classes of membrane transport proteins include all of the following EXCEPT:
TLS Online TPP Program

#Question id: 2169

#XL - S Microbiology

In a laboratory activity, red-labeled glucose, blue-labeled water, and green-labeled ethanol are added to a solution placed over an artificial, pure phospholipid membrane.  Which colors will be observed on the other side of the membrane after 10 minutes?
TLS Online TPP Program

#Question id: 2170

#XL - S Microbiology

How does uniport transport compare with simple diffusion?