Splicing

Q.

What is meant by splicing?

Q.

What is splicing and why is it required?

Q.

What is the function of splicing?

Q.

In autotrophic bacteria, where are the enzymes located that can carry on organic synthesis?

1. free in the cytosol

2. chloroplast membranes

3. nuclear membranes

4. along the inner surface of the plasma membrane

Q. Transcribed regions present in mature mRNA are ____(i)______ and transcribed regions not present in mature mRNA are _____(ii)______.

1. (i)-introns, (ii)-exons
2. (i)-anticodons, (ii)-codons
3. (i)-codons, (ii)-anticodons
4. (i)-exons, (ii)-introns

Q. Regarding the assertion and reason, select the correct option.

Assertion [A]: Spliceosomes edit mRNA.
Reason [R]: Proteins other than snRNPs mainly help the spliceosomes identify the areas to be spliced.

1. Both A and R are true and R explains A
2. Both A and R are true, but R does not explain A
3. A is true and R is false
4. Both A and R are false