首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
It often seems that some possess superhuman eating powers, allowing them to down an entire pizza while remaining rail-thin. Othe
It often seems that some possess superhuman eating powers, allowing them to down an entire pizza while remaining rail-thin. Othe
admin
2020-02-09
28
问题
It often seems that some possess superhuman eating powers, allowing them to down an entire pizza while remaining rail-thin. Others only need to think of a slice and gain five pounds. Now one doctor says there’s evidence that genetics could be behind some of these differences. Regardless of how much you eat, your weight may be out of your hands.
Vann Bennett, a biochemist at Duke University and his team led a new investigation and discovered why this happens. They engineered mice to have several common modifications of the gene found in humans. They observed that mice who had mutations of ankyrin-B took more glucose (葡萄糖) into their fat cells, which in turn made more fat. Typically, the cell membrane (膜) acts as a barrier to prevent glucose from entering these cells: the alteration kept the gate open.
The change may serve a useful purpose. "Probably this is not always a bad thing," Bennett told Newsweek. "It could help people survive famines in the past. But today we have so much food that it probably is a bad thing." Our modern diets of fast food drive-thru windows and aisles of packaged snacks make the alteration work against us.
Dieters have long been told to watch their calories and exercise more, but this new finding suggests that a blanket approach doesn’t work for everyone. And the study illustrates a common problem for people: increased weight gain as a function of age. Our metabolism naturally slows with age, making it harder to maintain the weight of our 30-year-old selves when we’re 50. Now add an unruly ankyrin-B gene, and it may seem impossible to stay slim.
The mice in the study gained more weight when on high-fat diets. Bennett believes this is because once the fat cells received the glucose and start making more fat, they become sensitive to other fat. Despite being studied in mice, the researchers believe further research on this gene, and possibly others, could potentially create a field of customized diets and health plans based on genetics. Bennett envisions such assessments being performed at birth one day. For now, frustrated dieters can take comfort with one saying: It’s not you, it’s your genes.
What is the prospect of further research?
选项
A、It may help people to maintain the perfect weight.
B、It may change many new-born babies’ gene arrangement.
C、It may present human beings with a series of health plans.
D、It may provide more comfort for the frustrated dieters.
答案
C
解析
转载请注明原文地址:https://jikaoti.com/ti/Cl0FFFFM
0
大学英语四级
相关试题推荐
A、Strangersareusuallyoflittlehelp.B、Oneshouldtakecareoftheirbike.C、Newsreportsmakepeoplefamous.D、Anactofkin
Arewereadyforthelibraryofthefuture?A)Librarianstodaywilltellyoutheirjobisnotsomuchtotakecareofbooks
Forcenturies,inthecountriesofsouthandSoutheastAsiatheelephanthasbeenanintimatepartoftheculture,economyandr
SevenWaystoCreateaHappyHouseholdA)Everyfamilyisdifferent,withdifferentpersonalities,customs,andwaysofthin
Anewanalysisoffederalmoneythatpublicschoolsreceiveforlow-incomestudentsshowsthatarecordnumberofthenation’ss
A、EnglishLiterature.B、PublicAdministration.C、French.D、Management.C男士提到在诺丁汉大学拿到了法语学位,因此选C。A有迷惑性,但是EnglishLiterature是女士的专业:
A、People’sIQscoreskeeprisingforthepasthalfcentury.B、AveragepeoplehavelowerIQscoresthandecadesago.C、Kidsareb
A、Inthe19thcentury.B、Inthe18thcentury.C、Inthe17thcentury.D、Inthe16thcentury.B短文提到,“该传统最终在18世纪传入英格兰和苏格兰。”故选B。由选项知
A、Slappingtheirchildreninthefaceorhead.B、Spanking.C、Beatingtheirchildrenwithaclosedfist.D、Threateningtolockth
TeamSpirit[A]Teamshavebecomethebasicbuildingblocksoforganisations.Recruitmentadvertisementsroutinelycallfor"tea
随机试题
标准群钻的两条主切削刃分成三段的作用是降低钻尖高度,提高钻尖强度。()
下图所示建筑是2010年上海世博会________馆。
滑倒摔伤( )头部被砖头砸伤( )
硫酸-硝酸消化食品样品过程中,要维持定量的硝酸是
对明代都察院司法执掌表达不正确的是:()
下列确需建立相对独立的平面坐标系统的,由省级测绘行政主管部门负责审批的是()。
根据《建设工程质量管理条例》的规定,任何单位和个人对建设工程的质量事故,质量缺陷都能行使一定的权利,其中不包括( )。
高校师生关系主要表现为师生之间的教育关系和心理关系。
Thepolice______runningafterthethief.
•Readthearticlebelowabouthowtohandleworkaftertreatmentforcancer.•Choosethecorrectwordorphrasetotillea
最新回复
(
0
)