Choose the correct statement regarding the stereochemistry of amino acid

1. 16 amino acid except (Thr, Ile, Cys, Gly) L Fischer projection is equal to S and D is equal to R configuration 

2. Thr, Ile is special case because of two chiral center exist in L – Ile/Thr – 2S,3R and D-Ile/Thr–2R,3S configuration  

3. Cys exiest in L- Cys – R & D- Cys – S configuration 

4. Gly is optically inactive 

TLS Online TPP Program

#Question id: 10400

#Unit 6. System Physiology – Plant

phyB mutant has shown___

TLS Online TPP Program

#Question id: 788

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is true about Z-DNA helix?

TLS Online TPP Program

#Question id: 18944

#Unit 13. Methods in Biology

A Linear or circular shuttle vector; behave in yeast like chromosomes; contain, ARS, CEN and telomeric sequences; used for cloning up to 1000 kb DNA is

TLS Online TPP Program

#Question id: 23714

#Unit 8. Inheritance Biology

Chromosomal regions containing genes that influence a quantitative trait is referred to as,

TLS Online TPP Program

#Question id: 26479

#Unit 2. Cellular Organization

 Mutations in the three lac operators shows different values of fold repression  in which of the following situation will get most  effective repression