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TLS Online TPP Program

#Question id: 7310

Which statement best describes the mechanism for circadian rhythm?

#SCPH01 Biochemistry
  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: 12569

#SCPH06 I Botany

Use the information below about quail habitats to answer the following questions. Which of these represents the best quail habitat in terms of fragmentation and edge
TLS Online TPP Program

#Question id: 4821

#SCPH12 I Genetics

What are frequency of recombination  if one cell carry out cross over every 50 cell undergoes meiosis ?
TLS Online TPP Program

#Question id: 18635

#SCPH05 I Biotechnology

Number of unrooted trees in a phylogeny of five sequences is –
TLS Online TPP Program

#Question id: 328

#SCPH06 I Botany

Which of the following interaction occurs between a permanent dipole and a neutral molecule?
TLS Online TPP Program

#Question id: 15880

#SCPH05 I Biotechnology

 Which one types of culture is ideal for the determination of effects of individual nutrients on cell growth and metabolism.