The nitrogenous bases (A, T, C, and G) of DNA are held together by a
hydrogen bonds.
b
covalent bonds.
c
van der Waals forces.
d
ionic bonds.

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