人类有丝分裂染色体

[00:03.04]Could just be a lab error. 也有可能仅仅是实验事故 [00:08.60]SARA: Oncology? 肿瘤科? [00:09.48]But that's cancer. 那是癌症啊 [00:16.24]WOMAN: Mr. and Mrs. Fitzgerald? 是Fitzgerald夫妇吗? [00:18.96]l'm Ileana Farquad.

发表于:2018-12-07 / 阅读(194) / 评论(0) 分类 听电影学英语-姐姐的守护者

This is Scientific American's 60-Second Science, I am Steve Mirsky,Got a minute? A team of Finnish and American geneticists has found that that, for some people at least, music is in their genes. In what the researchers called the first study of its

发表于:2018-12-24 / 阅读(100) / 评论(0) 分类 Scientific American(六)月

今天文章讲的是男性基因染色体的问题,如果男性染色体正发生着变化,会造成地球上男女比例失衡吗? Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. R

发表于:2018-12-27 / 阅读(104) / 评论(0) 分类 一起听英语

World Down Syndrome Day is on March the 21st every year. It is on this day because the number 21 is important in the identification of Down Syndrome. The condition is created by a 21st, extra chromosome being replicated three times, thus causing the

发表于:2018-12-29 / 阅读(203) / 评论(0) 分类 英语课程学习计划和讲义

A Clone of Our Own Will humans be the next clones? The technology still has a long way to go before it's considered safe to try on humans. But even if it were safe, would it be right? Let's hear what

发表于:2018-12-29 / 阅读(184) / 评论(0) 分类 全新版大学英语综合教程

SCIENCE IN THE NEWS - Genetic Map of Chimps May Show What Makes Us Human By George Grow, Cynthia Kirk and Jerilyn Watson Broadcast: Tuesday, September 20, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN TH

发表于:2019-01-02 / 阅读(138) / 评论(0) 分类 科技之光

For thousands of years, humans have used yeast for making bread and alcoholic drinks, such as beer. But scientists are now constructing synthetic yeast that can do more than make a sandwich or a drink. The synthetic yeast can be used for medicines, v

发表于:2019-01-02 / 阅读(186) / 评论(0) 分类 2017年VOA慢速英语(八)月

Neil: Hello and welcome to Six-Minute English from BBC Learning English, I'm Neil and with me today is Rosie. Rosie: Hi there. Neil: Well, today we're talking about men. Rosie: That sounds interesting. Neil: It is very interesting especially if you'r

发表于:2019-01-07 / 阅读(204) / 评论(0) 分类 六分钟英语

The 2009 Nobel Prize in physiology or medicine goes to Harvards Jack Szostak, Johns Hopkinss Carol Greider and Elizabeth Blackburn at U.C. San Francisco for their work on how chromosomes are protected by telomeres and the enzyme telomerase. The Nobel

发表于:2019-01-08 / 阅读(170) / 评论(0) 分类 Scientific American(十)月

This is Scientific American's 60-second Science. I'm Karen Hopkin, this will just take a minute. When it comes to lizards' sex, size dose matter. But not in the way you might think. Because in the June 4th online issue of Journal Current Biology, sci

发表于:2019-01-08 / 阅读(166) / 评论(0) 分类 Scientific American(六)月

Every villain has his Achilles' heel. And microscopic scoundrels are no exception. The challenge for those who wish to ward off microbial bad guys is to identify that weak spot. Now, scientists studying the toxoplasmosis parasite think they've done j

发表于:2019-01-08 / 阅读(179) / 评论(0) 分类 Scientific American(三)月

Scientists at the Whitehead Institute in Cambridge, Massachusetts say it's fortunate for humans that the Y chromosome is not on the verge of extinction. That's because the Y is the chromosome that makes males males. The outlook is less favorable for

发表于:2019-01-08 / 阅读(365) / 评论(0) 分类 2005年NPR美国国家公共电台

PEOPLE IN AMERICA - Barbara McClintock, 1902-1992: She Made Discoveries about Genes and Chromosomes CHRISTOPHER CRUISE: This is PEOPLE IN AMERICA in VOA Special English. Today, Jim Tedder and Shirley Griffith tell about Barbara McClintock. She was on

发表于:2019-01-12 / 阅读(154) / 评论(0) 分类 2012年VOA慢速英语(六)月

Science and Technology Stress and ageing A question of attitude 科技 压力和老化 一个态度问题 The link between chronic stress and a marker of old age is being disentangled 科学家发现了长期压力与一个衰老标志间的联系 TE

发表于:2019-01-26 / 阅读(148) / 评论(0) 分类 经济学人科技系列

CANBERRA, Aug. 17 (Xinhua) -- Australian scientist on Wednesday said his international research team has discovered the trick on how butterfly learn to change its wing pattern to avoid being eaten by birds. The Amazonian butterfly, Heliconius numata,

发表于:2019-02-06 / 阅读(133) / 评论(0) 分类 英语新闻

Like its name suggests, the ice cream banana is sweet with undeniable hints of vanilla and its skin even appears frosted, starting out as a bluish-green color before it ripens. 看名字就知道,雪糕香蕉应该是很甜的,绝对会散发淡淡

发表于:2019-02-06 / 阅读(181) / 评论(0) 分类 阅读空间

If your teenage son or daughter is blighted by acne, they can take heart. 如果你那处在青春期的儿子女儿正饱受粉刺痤疮的摧残,那么是时候振作起来了。 For while they may feel greasy and unattractive at the moment, by m

发表于:2019-02-18 / 阅读(152) / 评论(0) 分类 趣味英语

雅思阅读动植物类真题:Tasmanian tiger Extinction Is Forever?(塔斯马尼亚虎) Tasmanian tiger Extinction Is Forever?Danger, says the sign on the doorof a laboratory at the Australian Museum in Sydney: Tasmanian Tiger,Trespassers will be

发表于:2019-02-25 / 阅读(289) / 评论(0) 分类 雅思英语

饶舌:Tech N9NE - Leave Me Alone 相关介绍 :2008年9月是Tech N9NE事业的一个里程碑,他的双CD专辑《Killer》突破100万张的销售记录。2009年4月7日,Rock The Bells 2009 Festival邀请他来做演出,今年10月的最新

发表于:2019-03-02 / 阅读(278) / 评论(0) 分类 节奏布鲁斯

TPO12 Lecture 1 6. What does the professor mainly discuss?(主旨题) A. How genes control human development. B. Why various types of human cells divide at different rates. C. How human chromosomes differ from one another. D. Why most human cells

发表于:2019-03-13 / 阅读(330) / 评论(0) 分类 托福英语
学英语单词
aeriform body
alligator grasses
Alox
anthos
antisplash guard
ash pan damper
association colloid
audio shop
average irradiance
bailoff
basement warp
Boris Spassky
Bürkelkopf
chill sensitive
chimneysweepers
compensating water
conditional branch statement
conidioma
control decision
dacoit
dairens
darden
de-Stalinise
deceivableness
decemfoliate
documents against payment after sight
drag link grease retainer
economic management setup
enneapterygius leucopunctatus
factor confusion
floating rate mortgage
fully stocking percent
genus lupinuss
georges-michel
glacial river
haitian-american
hand brake valve
Hemwali
high-hearted
histrionic mania
Hoppin' John
hypophysis pregnancy cell
intelligent disk software
jakey
junction-type fet
killorans
Kinord, Loch
legal decision
ligamenta thyreoarytaenoideum inferius
litmus paper
LSFM
mercurochromes
micro-credit
microheight gauge
Morelli
nearly saturated solution
olynthuss
palato
Panaba
Picrodendraceae
play table tennis
polling stations
preambular
Probstmayria
proximal margin
Quadrula
radar storm detection
resorption rim
rim segregate
rollicksome
rotary crop shears
sacrifice operation
Samkhret' Oset'i
save one's skin
scanning capacitance microscopy
seaman's club
service trial
side movement
silicon carbide composite
solid planting of clone
spirillum fever
stellar lightning
stuccoes
superficial cerebral veins
Tarplee
those who
throat seizing
treasure-seekers
tricolpate
turn the screws
turn up my nose
ultrawear-resistant material
umbraticolous
urethral utricle
velours venitian
vmarks
western blind snake
wheelcover
whole-body counting equipment
Xemobile
yellowleg
zammito