What is approximate size of the dna-rna hybrid present inside the rna polymerase?

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Iwanna go do something with my ideas? ?

One of the reasons that stars are so large is because