I think it's 83 million base pairs.
DNA supercoiling means under or over winding of the DNA strand and basically is to become more condensed and more organized. Supercoiling is very important as it compacts the genetic code and as if that was not enough supercoiling also regulates and oversees the access the the genetic code.
Answer:
to see if there is any brain or nervous system problem
Answer: They should be able to have access and deal with food distributed homogeneously in 360 degreea
Explanation:
This is because radially symmetrical animals meet their environment equally from every sides or angle e.g sessile while Bilateral symmetrical animals can move actively in only horizontal direction, so that they can eat. E.g Arthropods
