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#Question id: 19708


In complete heart block

#Unit 13. Methods in Biology
  1. fainting may occur because the atria are unable to pump blood into the ventricles.
  2. ventricular fi brillation is common.
  3. the atrial rate is lower than the ventricular rate.
  4. fainting may occur because of prolonged periods during which the ventricles fail to contract.
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#Question id: 9579

#Unit 10. Ecological Principles

Allen’s rule states that,

TLS Online TPP Program

#Question id: 1237

#Unit 4. Cell Communication and Cell Signaling

Arrange the following events in the proper order in which they occur during transduction of the Notch/Delta signaling pathway:

a. cleavage of Notch by TACE                                  

b. binding of Delta to Notch

c. translocation of Notch segment to the nucleus      

d. interaction of Notch with transcription factors     

e. cleavage of Notch by Presenilin 1  

TLS Online TPP Program

#Question id: 15409

#Unit 8. Inheritance Biology

 A heterozygous trihybrid corn plant is testcrossed and the following progeny are produced (all traits are recessive to their wildtype alternative);
          booster                              6
          booster, silkless                  137       
          booster, liguleless, silkless      291
          liguleless                          142
          liguleless, silkless                  3
          silkless                            30
          booster, liguleless                  34
          wildtype                            339
What is the order of the loci on the chromosome? 

TLS Online TPP Program

#Question id: 23834

#Unit 2. Cellular Organization

The most processive myosin motors known to transport cargo along actin filaments:

TLS Online TPP Program

#Question id: 27478

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following are the minimum essential criteria for the chirality of Aldoses and ketoses