Answer: Single cell organisms dont need a respiratory system because oxygen and carbon-dioxe diffuses between their body tissues and the enviorment.
When there are double lines in the lanes means you can not change lanes.. only when there is breaks in the lines can you change lanes
in RNA Guanine(G) pairs with Cytosine(C) Adenine(A) pairs with Uracil(U) therefore in the anticodon we have to write the complementary letters
a.CGU
b.AAA
c.UGG
