11.   Inside the phloem, they contain crystalloid proteins, and the shape of those is distinctive.

12.   Instead, researchers found, the spinal nerve cells and surrounding tissue contain proteins which, for unknown reasons, inhibit any regrowth of damaged nerves.

13.   Later, he found that bovine cartilage contained a protein that inhibited the growth of blood vessels that tumors depended upon for nourishment.

14.   More of their striatal cells contained a protein called calbindin, which is known to protect neurons from damage.

15.   Natural rubber latex, derived from the sap of the rubber tree, contains proteins that can cause allergies.

16.   Scientists later found that MPF contained a protein similar to those that Hartwell and Nurse discovered in yeast.

17.   Several companies, including Mycogen, Monsanto, Ciba-Geigy, and Calgene, have applied for government approval to market crops that contain Bt proteins.

18.   StarLink corn was not approved for food use because it contains proteins similar to ones known to cause allergic reactions.

19.   StarLink, which produces its own pesticide, contains a protein that is digested slowly.

20.   Some products contain soy protein in place of meat.