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TLS Online TPP Program

#Question id: 332

The electronegativity difference between N and F is greater than that between N and H yet the dipole moment of NH3 (1.5 D) is larger than that of NF3 (0.2 D). This is because_________

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. in NH3 the atomic dipole and bond dipole are in the opposite directions whereas in NF3 these are in the same direction

  2. in NH3 as well as in NF3 the atomic dipole and bond dipole are in the same direction

  3. in NH3 the atomic dipole and bond dipole are in the same direction whereas in NF3 these are in opposite directions

  4. in NH3 as well as NF3 the atomic dipole and bond dipole are in opposite directions

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TLS Online TPP Program

#Question id: 4910

#Unit 8. Inheritance Biology

For a trait known to be caused by a mitochondrial gene variant, there may be an occasional female that can transmit different phenotypes to her progeny on an apparently random basis. What situation might you suspect?
TLS Online TPP Program

#Question id: 3874

#Unit 3. Fundamental Processes

A branched (“lariat”) structure is formed during:
TLS Online TPP Program

#Question id: 1071

#Unit 4. Cell Communication and Cell Signaling

The changes that occur in virally infected cells are characteristic for a particular virus and are referred to as the
TLS Online TPP Program

#Question id: 5096

#Unit 5. Developmental Biology

Select the choice that correctly matches the organ with its embryonic sources.
TLS Online TPP Program

#Question id: 11018

#Unit 7. System Physiology – Animal

A 50-year-old man has a blood pressure of 140/85 and weighs 200 lb. He reports that he is not feeling well, his EKG has no P-waves, he has a heart rate of 46, and the QRS complexes occur regularly. What is his likely condition?