Describe the info flow of gene expression A: DNA to DNA
B: DNA to RNA
C: RNA to PROTEIN
D: DNA to PROTEIN

The rate at which molecules water and oxygen can enter a cell is determined by the-

What kind of seafood would you expect to have the highest levels of mercury and why? kelp, because they use the sun to photosynthesize on the bottom trophic level. oysters, because they filter feed on plankton on a lower trophic level. small fish, because they eat plankton on a higher trophic level. sharks, because they feed on organisms on a higher trophic level.

Explain why phospholipid molecules form a bilayer. (3 marks)