In this article I report on a study of the cognitive tools that research mathematicians employ when developing deep understandings of abstract mathematical definitions. I arrived at several conclusions about this process: Examples play a predominant role in understanding definitions. Equivalent ...
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....
known as HeLa cells. 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 wit...
The decision to send a child to a charter school is often influenced by the state of the local public school. Unfortunately in the United States the quality of public schools varies greatly from city to city and state to state.Charter schools can also vary in quality, and can be better or...
aprimary ...experienee research 主要….experienee研究[translate] a她住在荃湾 She lives in Tsuen Wan[translate] apower4GearBattery Saving power4GearBattery挽救[translate] aWhat's the reason I draw the sword 正在翻译,请等待...[translate] a...