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BIO213
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1. One of these is a regulatory protein

	      keratin

	      serum albumin

	      Casein

	--->> Insulin

2. One of these  structural proteins is found in spider's web

	      elastin

	--->> fibroin

	      α-keratin

	      collagen

3. Which of these coenzymes mediates one carbon group transfer reactions

	      pyroxidal phosphate

	      Nicotinamide coenzymes

	--->> Tetrahydofolate

	      Biotin

4. What is the prothetic group in the protein ceruloplasmin

	--->> Copper

	      Heme

	      Cerumin

	      DNA

5. All but one of these are simple proteins

	      Albumin

	      globulins

	      protamine

	--->> hemoglobin

6. One of these is not a defensive protein

	      Immunoglobulins

	      Thrombin

	--->> thyrotropin

	      fibrinogen

7. Which of these is the protein component of nucleoprotein

	      Nucleus

	--->> Histone

	      globin

	      apoferrtin

8. Which of these is the  substrate of ptyalin

	      Sucrose

	      Maltose

	      glucose

	--->> starch

9. One of these is produced by the action of cellulase on cellulose

	      Sucrose

	--->> starch

	      glucose

	      maltose

10. All these are fibrous proteins except

	      Keratin

	      Collagen

	--->> Albumin

	      Elastin