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In beta sheets, the chains of polypeptides stack on top of each other like a twisted, pleated sheet. Beta sheets are the primary structure of the polypeptide chains that make up the amyloid fibrils. The molecular properties of beta sheets make them prone to sticking to each other....
Describe who Henrietta Lacks was and discuss why her cells are significant in medical and scientific research. Provide specific examples of how HeLa cells have contributed to major breakthroughs in science and medicine. Consider the ethical issues involved in using her cells without consent—do you ...