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:

#Question id: 2706

#Botany

Which of the following is a function of a modified histone tail?

#Question id: 2715

#Botany

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.

#Question id: 2715

#Zoology

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.

#Question id: 2715

#Life Sciences

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.

#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.

#Question id: 2716

#Botany

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