首页
登录
职称英语
Scientists have developed a new cancer drug. So far, they have tasted it onl
Scientists have developed a new cancer drug. So far, they have tasted it onl
游客
2023-07-17
15
管理
问题
Scientists have developed a new cancer drug. So far, they have tasted it only on【B1】______animals. The drug is designed to【B2】______and kill cancer cells but not healthy cells.
First, the drug enters the cancer and destroys the supply of blood. Then it releases【B3】______to destroy the cancer cells,
Researchers at the Massachusetts Institute of Technology in Cambridge carried out the study. The【B4】______appeared in Nature【B5】______. A school news release caned the drug an "anti-cancer smart bomb."
Ram Sasisekharan is a professor at M.LT. Ha says his team had to【B6】______three problems. They had to find a way to destroy the blood vessels, then to【B7】______the growth of new ones. But they also needed the blood vessels to supply chemicals to destroy the cancer.
So, tile researchers designed a two-part "nanocell". The cell is【B8】______in nanometers, or one thousand millionth of a meter.【B9】______
The scientists say it was small enough to pass through the blood vessels of the cancer, but it was too big to enter normal blood vessels. The surface of the nanocells also halped, them to avoid natural defenses.
【B10】______That cut off the blood supply and trapped the nanocell inside the cancer. Then, the nanocell slowly released chemotherapy drugs to kill the cancer cells.
【B11】______ [br] 【B5】
选项
答案
magazine
解析
转载请注明原文地址:https://www.tihaiku.com/zcyy/2845151.html
相关试题推荐
ScientistsintheUnitedStateshavereportedsomegoodnewsabouttheozone
ScientistsintheUnitedStateshavereportedsomegoodnewsabouttheozone
ScientistsintheUnitedStateshavereportedsomegoodnewsabouttheozone
ScientistsintheUnitedStateshavereportedsomegoodnewsabouttheozone
Socialscientistsdistinguishbetweenwhatareknownastreatmenteffectsan
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
Twoscientistsaretalkinginalabonedayandonesaystotheother,"Wait
随机试题
Psychologiststakeopposingviewsofhowexternalrewards,fromwarmpraise
[originaltext]IntheAmericanfamilythehusbandandwifeusuallyshareimp
教师职业道德的内涵中不包含()。A.专业意识 B.专业态度 C.专业品质
下列建设工程的勘察、设计,经过批准可以直接发包,其中错误的是哪一种?()A.
氨基酸评分(AAS)
下列哪一型并非属于流行性出血热早期实验室检查的典型结果A.外周血白细胞总数增多
某零息债券,到期期限0.6846年,面值100,发行价95.02元,其到期收益率
投资人可在规定的时间和场所向基金公司申购和赎回的基金被称为()。A:风险基金B
(2018年真题)下列属于不影响营业利润的因素有()。A.营业外收入 B
不致发生二次事故。护栏还具有的作用有( )。A.指示 B.吸收能量 C.标识
最新回复
(
0
)