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TLS Online TPP Program

#Question id: 678

Which is not true about β-sheets?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. The side-chains of all amino acids point to the same side of the sheet.

  2. The polypeptide chains in the sheet are nearly fully extended.

  3. The range of allowed phi and psi angles is broader than for those in the α-helix.

  4. In antiparallel sheets the hydrogen bonds between adjacent strands are nearly perpendicular to the backbones of the strands.

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TLS Online TPP Program

#Question id: 15480

#Unit 12. Applied Biology

Feedback repression involves the turning “off” of enzyme synthesis when the amount of the product has been made in sufficient quantities. The end product of the pathway acts as
TLS Online TPP Program

#Question id: 5827

#Unit 8. Inheritance Biology

Temperature sensitive mutants could result from what?
TLS Online TPP Program

#Question id: 2984

#Unit 2. Cellular Organization

Certain unicellular eukaryotes, including diatoms and some yeasts, have mechanisms of nuclear division that may resemble intermediate steps in the evolution of mitosis. Which of the following is a characteristic feature of nuclear division in these organisms?
TLS Online TPP Program

#Question id: 13214

#Unit 6. System Physiology – Plant

The stomata will open less or even remain closed on a sunny morning when
TLS Online TPP Program

#Question id: 23989

#General Aptitude

If your principal indulges in corruption and forces you to co-operate, how would you make compromise with such a superior fellow?