TLS Online TPP Program

#Question id: 24444


What is the His bundle electrogram (HBE)?

#Unit 13. Methods in Biology
  1. Record of the electrical activity obtained with the catheter

  2. Record of the electical activity obtained with the EKG 
  3. Record of the electical activity obtained with the EKG as well as catheter
  4. Record of the electical activity obtained with the EEG
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TLS Online TPP Program

#Question id: 26479

#Unit 2. Cellular Organization

 Mutations in the three lac operators shows different values of fold repression  in which of the following situation will get most  effective repression


TLS Online TPP Program

#Question id: 26480

#Unit 2. Cellular Organization

Optimal length of prokaryotic promoter should be

TLS Online TPP Program

#Question id: 26481

#Unit 2. Cellular Organization

Which of the following are the characteristics of prokaryotic operator O1
a. Made up of 21-bp sequence 
b. It has twofold/dyad symmetry 
c. Recognized by two subunits of Lac repressor
d. On each O1 four unit of Lac repressor binds

TLS Online TPP Program

#Question id: 26482

#Unit 2. Cellular Organization

Which of the following is incorrectly matched if in the medium

a. glucose + lactose

= basal level of transcription

b. glucose + lactose

= no transcription

c. glucose  lactose+

= activated level of transcription

d. glucose + lactose +

= basal level of transcription







TLS Online TPP Program

#Question id: 26483

#Unit 2. Cellular Organization

lac repressor binds to

TLS Online TPP Program

#Question id: 26484

#Unit 2. Cellular Organization

Which of the following graph is correct in response to inducer molecule

                     


                                                            a                                                                                                                                                                         b