Why is oxygen not essential to all living things? oxygen is used for breathing by only animals oxygen is a waste product of photosynthesis so is not needed by plants oxygen is harmful to plants and bacteria oxygen is harmful to fungi and algae

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

Isolated volcanic peaks on the ocean floor are

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.