Home
Class 12
BIOLOGY
The nematode infects the roots of tobacc...

The nematode infects the roots of tobacco plants and causes a reduction in yield. A unique strategy based was designed by Fire and Mello in 1998. This method involves silencing of a specific mRNA. Study the flow chart below and answer the question:

Specify a and b in the chart.

Text Solution

Verified by Experts

Double stranded RNA is cleaved by a nuclease called as dicer and small fragments are generated, they are about 22 nucleotides long and are known as short interfering RNAs (siRNA). The process is called RNA interference (RNAI).
Promotional Banner

Similar Questions

Explore conceptually related problems

The nematode that infects the root of tobacco plants and causes a great reduction in its yield is:

Choose the nematode which infects the roots of tobacco plants causing a great reduction in yield.

Which of the following nematode infects the roots of tobacco plant and causes a great reduction in yield.

A nematode ........... incognitia infects roots of tobacco plants and cause a great reduction in yields.

A nematode Meloidogyne infects the roots of tobacco plants and causes a great redu.ction.....in yield. A novel strategy was ~dopted to prevent this infestation which was based on the process of

Which of the following statements are correct regarding the process of RNA interference ? (i) RNAi has been used to prevent nematode infestation of tobacco plants . (ii) RNAi takes place in all eukaryotic organisms as a method of cellular defense. (iii) The method involves silencing of specific mRNA using a complementary dsDNA molecule that binds and prevents the translation of mRNA. (iv) using retrovirus vectors , nematode–specific genes were introduced into the host plant .

Villagers in a place near Chambur started planning to make power supply for agricultural purpose from cow dung. They have started a biogas plant for the purpose. Study the flow chart for biogas production given below and answer the following questions. What is represented by 'B' in the flow chart?

Villagers in a place near Chambur started planning to make power supply for agricultural purpose from cow dung. They have started a biogas plant for the purpose. Study the flow chart for biogas production given below and answer the following questions. If 'A' is not added in the procedure

Villagers in a place near Chambur started planning to make power supply for agricultural purpose from cow dung. They have started a biogas plant for the purpose. Study the flow chart for biogas production given below and answer the following questions. Biogas is composed of majorly: