棒状细胞核

New Words 8A @ implication n. 1. [C] (usu. pl.) a possible effect or result 可能的影响(或后果) @ 2. [C, U] sth. that is suggested or not openly stated 含义;暗示 @ clone vt. make an exact copy of a plant or animal by taking a cell fr

发表于:2018-12-04 / 阅读(91) / 评论(0) 分类 新视野大学英语读写教程词汇 第三册

Identicals share one of the closest human relationships biologically. They are likely to grow up looking and sounding extremely similar, yet not a 100% match. A small number of genes in the mother's eggs sit outside the nucleus, known as mitochondria

发表于:2018-12-05 / 阅读(89) / 评论(0) 分类 国家地理2007年

I know that every cell in my body has a copy of my DNA packed into its nucleus. And I also know that if I could somehow unravel the DNA from a single cell, it would be about six feet long. So my question is, is DNA jammed into the nucleus in a sort o

发表于:2018-12-27 / 阅读(58) / 评论(0) 分类 英语时差8,16

模仿文本: That was a headline on September 5th, the end of the concept of junk DNA. Actually, geneticists had long abandoned the idea that our genomes are riven with all the rubbish. But what was once called junk was largely still unexplored. 译

发表于:2018-12-28 / 阅读(105) / 评论(0) 分类 英音模仿秀

Unit 8 Section (A) Legal and Moral Implications of Cloning At first it was just plain surprising. Word last week that a scientist named Ian Wilmut had succeededin cloning an adult mammal an achievement long thought impossible caught the imagination o

发表于:2018-12-29 / 阅读(132) / 评论(0) 分类 新视野大学英语读写教程(3)

《绝望主妇》原句: We have to get rid of the car. But we cant sell it. The police might find it, and there could be DNA. 单词词组讲解 Get rid of sth/somebody 摆脱 发音讲解 Get rid of 的t吞音,d连读 最后翻译: 我们必须把

发表于:2018-12-31 / 阅读(127) / 评论(0) 分类 小紫带你轻松学美剧

Dermatan sulphate - a glycosaminoglycan found in skin, tendon, blood vessel and heart valves. Desmosomes -one of the types of cell junctions by which cells join or communicate with each other. Desmoso

发表于:2019-01-03 / 阅读(110) / 评论(0) 分类 医务英语

Cemento-enamel junction- the junction between the enamel covering the crown of the tooth and the cementum covering its root. Often referred to as the CEJ. Cementoblasts - cells of mesenchyme origin, i

发表于:2019-01-03 / 阅读(77) / 评论(0) 分类 医务英语

Nerve growth factor- a cytokine that promotes the growth and repair of sensory nerves and maintenance of sympathetic nerves. Neural crest cells - cells derived from the ectoderm layer in the embryo. T

发表于:2019-01-03 / 阅读(73) / 评论(0) 分类 医务英语

Polymers-large molecules made up of many joined units of a more simple molecule. Examples are polysaccharides and polypeptides. Polypeptides; -chains of amino acids joined by peptide bonds. They are n

发表于:2019-01-03 / 阅读(107) / 评论(0) 分类 医务英语

Jackie: Welcome to BBC Learning English dot com and Insight Plus - a series first broadcast in 2001 that looks at the language of issues you hear about in the news. How far should science go to help the sick and the suffering? Today on Insight Plus,

发表于:2019-01-07 / 阅读(163) / 评论(0) 分类 英语讨论

If the human genome were put in a straight line, it would be over six and a half feet long. So how do you store all that DNA in a tiny nucleus? And have the cell manage it? Researchers explain how in a study featured on the cover of the October 9th i

发表于:2019-01-08 / 阅读(102) / 评论(0) 分类 Scientific American(十)月

HEALTH REPORT - New Embryonic Stem Cell Lines Developed for Researchers By Paul Thompson Broadcast: Wednesday, August 11, 2004 This is Gwen Outen with the VOA Special English Health Report. Researcher

发表于:2019-01-08 / 阅读(120) / 评论(0) 分类 健康与经济

SCIENCE IN THE NEWS - Progress Made in Stem Cell Research By Caty Weaver, Jerilyn Watson, ... Broadcast: Tuesday, May 31, 2005 (MUSIC) VOICE ONE: This is SCIENCE IN THE NEWS, in VOA Special English. I

发表于:2019-01-09 / 阅读(103) / 评论(0) 分类 科技之光

Paintable Solar Cells May Replace Silicon-Based Devices 可喷涂太阳能电池可能取代硅基电池板 Solar panels are manufactured in factories. Some of the devices are made with cadmium chloride, a substance shown to be harmful to human healt

发表于:2019-01-12 / 阅读(113) / 评论(0) 分类 2015年VOA慢速英语(十)月

Dr. Richard Kao is part of the team that discovered a chemical compound called nucleozin thatt clumps together nucleoproteins from the flu virus, so they cannot get into a healthy cell's nucleus Researchers in Hong Kong have discovered a new way to s

发表于:2019-01-13 / 阅读(78) / 评论(0) 分类 VOA标准英语2010年(七)月

建筑设计师们像自然借鉴灵感的创意比比皆是,比如著名的悉尼歌剧院,比如北京奥运会的主场馆鸟巢。可是你想象过,自然界的有丝分裂能带给设计师什么灵感吗?可不是什么长得像DNA一样

发表于:2019-01-18 / 阅读(86) / 评论(0) 分类 名人演讲视频

Genome: Now in 3-D! In a study in the journal Science, researchers report the mapping of the three-dimensional structure of the human genome, and the finding that the cell's nucleus is divided into two regions, one where DNA goes to get expressed. Cy

发表于:2019-01-30 / 阅读(150) / 评论(0) 分类 60秒科学

So how can a hormone ultimately affect the rate of aging? 那么,激素到底是怎样影响衰老的速度呢? How could that work? 原理是什么呢? Well it turns out that in the daf-2 mutants, 原来在daf-2变异体中 a whole lot of gene

发表于:2019-02-14 / 阅读(107) / 评论(0) 分类 TED演讲科学篇

What's wrong with having three parents? I'm happy with two but maybe it would have been a case of the more the merrier. The role of parents is not only to give us love and guidance, but also to pass on genetic code. A few particular healthy genes wou

发表于:2019-02-21 / 阅读(62) / 评论(0) 分类 英语听力精选进阶版
学英语单词
-rigged
acoustic frequency conversion
albifylline
artillery meteorology
autocollimating spectroscope
axis
bank-branch
bata2-microglobulin
bimetallic thermoregualtor
boulevarde
bowled
bunkies
capacity of urban comprehensive disaster prevention
cardiganed
change-over break before make contact
classicises
co-effluent
coarse mix
collisters
countersinking drill press
crapnesses
Dazaifu
depreciation by percentage of original cost
development stage estimation
downeyite
effectiveness
Ehmer
ejection nozzle
enlarges
exercise right
family physidaes
full hole joint
Gaelophone
granitiform
healing of radiation damage
hydraulic jacks
hyperplastic epidermolysis
hyperplastic gastropathy
Iban
indicatrix of optic diaxial crystal
inlate
islet
Kaddam
krzaklewski
lead-mining
lig. cuboideonaviculare dorsale
link access procedure SDH
lithium methide
macro feature
makeand mend
mff
moving belt interface
mug shot
musculus splenius cervicis
negative aniline number
new show
non-metallic binder
non-volatile matter
not give two hoots
Novonikolayevskaya
offsidest
operator genes
Palmitylpterosin
paraexciton
peak sound pressure
picture network
pop-folk
port-way
Premna fohaiensis
puppy-dog eyes
pynoun
Quernheim
quick acting reverse-current circuit breaker
quinquagint
reoffended
repair manual
resonator-type silencer
response to temperature
sahney
salix pendulinas
sao franciscoes
Sarodormin
sealring
semi-solid
single sided board
sloop-rigged
small towns
sod seeder
Square Bay
stabilimentum
stamp milling
surface turning
telescopic magnifier
tetherings
Thespesia populnea
tit men
to the advantage of
torsion vibrograph
trachomatous corneal ulcerm
triaenopogon barbatus
warblingly
whimperer