2. Nucleic Acids

Question 1

Outline Covalent, Ionic and Hydrogen bonding

Answer 1

covalent- atoms share pair of electrons in outer shell

Ionic- ions this opposite charges attract. Weaker than covalent bonds e.g Na+Cl-

Hydrogen- polar molecules with positive and negative regions attract forming weak electrostatic attraction, but collectively form important forces e.g water

Question 2

define metabolism

Answer 2

all chemical processes that take place in living organisms