What are chlorofluorocarbons made of?
Chlorofluorocarbons are organic compounds consisting of carbon, fluorine, and ?

The difference between amphid and plasmid

Arrange the following in the correct sequence, from earliest to most recent, in which these plant traits originated. 1. sporophyte dominance, gametophyte independence 2. sporophyte dominance, gametophyte dependence 3. gametophyte dominance, sporophyte dependence a) 1 → 2 → 3 b) 2 → 3 → 1 c) 2 → 1 → 3 d) 3 → 2 → 1 e) 3 → 1 → 2

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