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
65
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:http://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
Anewbiotechnologyprocedurethatcouldbecomecommerciallyavailableinas
Helena:Oh,welcome,comein,please.Jack:______Andhere’sasmallgift.Letm
[originaltext]Studentswanttofindthebestwaytoputinformationintoth
JeffBezosTakingthelongviewA)JeffBezos,thefoundera
身体无病,月经定期2个月一潮者,称为A.居经 B.并月 C.暗经 D
犀角地黄汤的功能是A.清热解毒,凉血散瘀B.利血通肺,凉血止血C.清营解毒,透热
卡介苗的获得属于A、毒力变异B、形态变异C、荚膜变异D、耐药性变异E、抗
女,40岁,因急性肠梗阻频繁呕吐,出现口渴、尿少、脱水征、血压偏低。进行液体疗法
下列不属于设计—施工一体化承包方式的典型模式的是()A.“设计+施工” B
形成慢IPSP的离子基础主要是( )。A.Na+电导增多 B.K+电导减少
最新回复
(
0
)