The diagram shows a straight chain of glucose molecules.

which polysaccharide is shown?

cellulose

glycogen

chitin

starch

List two limitations of natural selection

Step 1 review the imaginary strand of dna below. note the complementary base pairs. a g c a a t c c g t c t t g g t c g t t a g g c a g a a c c step 2 to begin replicating this strand of dna, draw the two sides of the strand separating. step 3 now, draw the free-floating bases linking up with the separate sides. remember to follow the rules of complementary base pairing. step 4 draw the two resulting dna strands.

What processes take place before the mature mrna exits the nucleus?