A protein contains four disulfide bonds. In order to break these bonds researchers added a minimum of:

How does an angiosperm prevent self pollination

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

This is a scaffolding of protein fibers that us sell keep it shape in a cell division and cell movement