Question 1
Which element make up more than 90% of the body's mass?
◦ C, Na, K
◦ Ca, C, O
◦ O, H, Na
◦ O, C, H
◦ O, Ca, H
Question 2
Phospholipids are key components of cell membranes and made up of which molecules?
◦ glycerol and fatty acids
◦ amino acids
◦ fatty acids
◦ glycerol
◦ nucleotides