What are the parts of earth's mantle? a. inner core, asthenosphere, lithosphere b. lithosphere, asthenosphere, mesosphere c. crust, lithosphere, asthenosphere d. mesosphere, asthenosphere, troposphere

The response is the basis for vaccination. primary secondary tertiary none of the above

What enzyme is most important for dna replication and why?

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.