Much of genetic engineering uses plasmids, which are _____.?

Question

a. repeating sequences that protect DNA from digestion when it is inserted into a foreign cell

b. small circlets of DNA found in bacteria

c. segments of RNA that must be attached to DNA before the DNA can replicate

d. ends of cut DNA molecules that are "sticky" because they have unpaired base sequences

e. infectious proteins

Answer 1

(B)!  (most likely!)

Answer 2

B ... easyyyy

lol my teacher told me so many times and i finally got it hahaha ... it was in ma exam too i think!

Answer 3

B

Answer 4

B, they are ring shaped because thats what bacterial dna looks like

Answer 5

i think the answer is (b).