Which of the following is the most important process specific to land-dwelling plants? a. production of photosynthetic pigments b. conservation of water c. exchange of gas d. presence of cell walls

Which of the following terms describe a liquid molecule that has only single bonds between its carbon atoms

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.

List five ways we are indebted to phytoplankton