What role does the nitrogen bases play?

cure diseases

give you energy

code for your traits

Where in the cell are ribosomes made?

Describe characteristics of a good respitory surface

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae