Ecologists have applied the top-down model to improve water quality in polluted lakes showing in picture. This approach, called biomanipulation, attempts to prevent algal blooms and eutrophication by altering the density of organism instead of chemical treatment as following

TLS Online TPP Program

#Question id: 3903

#SCPH28 | Zoology

The type of RNA that is least stable in cells is __.

TLS Online TPP Program

#Question id: 410

#SCPH28 | Zoology

For the reaction A -> B, the Keq' is 10^4.  If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?

TLS Online TPP Program

#Question id: 10790

#SCPH05 I Biotechnology

chalcone synthase (CHS) involved in biosynthesis of phenolic compound in plants. Following are some statements regarding the action of CHS;

 a) Chalcone synthase catalyzes the conversion of p-Coumaroyl-CoA into Chalcones

 b) Substrate for Chalcone synthase is chalcone

 c) CHS activity increased by environmental factors, such as light, and fungal infection

 d) Chalcone synthase is enzyme in flavonoid biosynthesis catalyzes stepwise condensation into p-Coumaric acid by using Malonyl-CoA molecules

 Which of the following combinations of above statement is true?

TLS Online TPP Program

#Question id: 19350

#SCPH06 I Botany

An example of promoter that can respond to light could be

1. cab

2. rbcs

3. AdhI

Which of the option contains incorrect example?

TLS Online TPP Program

#Question id: 1577

#SCPH28 | Zoology

Binds C5bC6C7 and creates a small All pore in membrane