Which statements accurately describe polyps? check all that apply. they are vase shaped. they are free swimming. they have a hollow central cavity. their tentacles trail down from their mouth. they reproduce in two stages.

Explain the source of radioactivity in uranium in earth’s crust by which it produces nuclear radiation

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.

Why has two different alleles for the same trait?