what does protein look like – Drug Development Zone

Question: what does protein look like
- Keywords:
  nutrition
Asked by aaronige to Jon on 8 Mar 2013.
- Jon Marles-Wright answered on 8 Mar 2013:
  
  Different proteins all have different shapes and sizes. The ones in muscle are long and thin and form fibers that contract. The ones the oxygen carrying protein in blood, hemoglobin, likes to form groups of four molecules and is quite compact and round.

Question: what does protein look like