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TLS Online TPP Program

#Question id: 7310

Which statement best describes the mechanism for circadian rhythm?

#SCPH06 I Botany
  1. There is an alternation between enhanced and inhibited expression of clock genes.
  2. Clock genes inhibit gene expression of positive elements.
  3. Clock genes inhibit expression of negative elements.
  4. The time-keeping mechanism depends only on the breakdown of negative elements.
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TLS Online TPP Program

#Question id: 10979

#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: 1574

#SCPH05 I Biotechnology

A bacterium entering the body through a small cut in the skin will do which of the following?
TLS Online TPP Program

#Question id: 6963

#SCPH06 I Botany

During early sea urchin development, which embryonic cells have similar organizer activity to that of amphibian Spemann organizer?
TLS Online TPP Program

#Question id: 23243

#SCPH28 | Zoology

In Maxam gilbert DNA sequencing autoradiogram is used for band visualization. What modification leads to band visualization?
TLS Online TPP Program

#Question id: 14278

#SCPH05 I Biotechnology

Stirrer has a power number (Np) 10. If the stirrer speed (N) is 1s^-1, its diameter D=1m and the density of the medium is 1000 kg/m^3, the ungassed power input (P) in watts is