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TLS Online TPP Program

#Question id: 2621

The leaky expression of lac genes ensures that,

#SCPH01 Biochemistry

  1. There is a normal level of b-galactosidase in the cell even in the absence of lactose

  2. Only allolactose binds to the Lac repressor and triggers a change in the shape of that protein.

  3. Allolactose has permanently altered the shape of the repressor.

  4. Only low level of b-galactosidase in the cell even in the absence of lactose.

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TLS Online TPP Program

#Question id: 10985

#SCPH28 | Zoology

What is the membrane potential (threshold level) at which the S-A node discharges?
TLS Online TPP Program

#Question id: 10986

#I Life Science/ Life Sciences Group – I-V

Which of the following conditions at the A-V node will cause a decrease in heart rate?
TLS Online TPP Program

#Question id: 10986

#SCPH06 I Botany

Which of the following conditions at the A-V node will cause a decrease in heart rate?
TLS Online TPP Program

#Question id: 10986

#SCPH28 | Zoology

Which of the following conditions at the A-V node will cause a decrease in heart rate?
TLS Online TPP Program

#Question id: 10987

#I Life Science/ Life Sciences Group – I-V

If the ventricular Purkinje fibers become the pacemaker of the heart, what is the expected heart rate?
TLS Online TPP Program

#Question id: 10987

#SCPH06 I Botany

If the ventricular Purkinje fibers become the pacemaker of the heart, what is the expected heart rate?