Review the following dna sequences.
original dna sequence
a t t g c t a a g t c a
mutated dna sequence
a t t g a t a a g t c a
which type of mutation occurred?
insertion
deletion
there is no mutation.
substitution

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks

One function of the poly-a tail on eukaryotic mrna sequences is to the mrna be transported from the nucleus to the cytoplasm. prokaryotic mrna also has a poly-a tail. choose the best explanation of the prokaryotic poly-a tail. a. prokaryotic poly-a tails are composed of a different molecular structure compared with eukaryotic poly-a tails. b. prokaryotic poly-a tails have the same functions as eukaryotic poly-a tails, because this process is highly conserved throughout different species. c. prokaryotic poly-a tails aren't important, because prokaryotes don't have nuclei. d. prokaryotic poly-a tails have other functions,because prokaryotes don't have nuclei.

What substance is the most acidic. lemon juice. tomato juice. sodium hydroxide. water