Which one is the most abundant protein in the animal world?

1. Trypsin                     

2. Haemoglobin

3. Collagen                   

4. Insulin

Which one of the following is the most abundant protein in animals?

Which of the following organic compounds is the main constituent of Lecithin?

"Ramachandran plot" is used to confirm the structure of:

1. RNA

2. Proteins

3. Triacylglycerides

4. DNA

Which of the following is not a polymeric substance?

(1) Nucleic acid               

(2) Proteins

(3) Polysaccharides           

(4) Lipids