Arrange the following steps involved in enzymatic isolation, culture, and regeneration of plant protoplasts in the correct sequence:

A. Enzymatic digestion of cell wall using cellulase and pectinase

 B. Culturing of isolated protoplasts by hanging drop / feeder layer / agar methods

 C. Surface sterilization and epidermis removal from leaf explant

 D. Density gradient centrifugation to separate viable protoplasts

 E. Callus formation followed by regeneration of a complete plant

Choose the correct order:

TLS Online TPP Program

#Question id: 18860

#Bio-Informatics

You need to use a first generation sequencing method for de novo sequencing, which template should give optimum results for this project?

TLS Online TPP Program

#Question id: 2704

#Environmental Science

Which of the following regions promote histone – DNA association?

TLS Online TPP Program

#Question id: 2705

#Environmental Science

With respect to end terminal modification of the histone tail which of the following options is true?

TLS Online TPP Program

#Question id: 2715

#Environmental Science

The interaction between the positively charged amino terminus of histone __________ and a negatively charged region of the histone fold domain of histone __________ is particularly important for 30 nm fibre formation.

TLS Online TPP Program

#Question id: 2716

#Environmental Science

With respect to assembly of every core histone which of the following is wrong?

TLS Online TPP Program

#Question id: 2719

#Environmental Science

The distinct zig-zag appearance of the chromatin fibre is due to ____________