游离氨基酸

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January

发表于:2018-12-24 / 阅读(59) / 评论(0) 分类 Scientific American(一)月

This is Scientific Americans 60-Second Science. Im Karen Hopkin. This will just take a minute. Many of the key molecules for life have a specific direction, or handedness: DNA twists to the right, amino acids to the left. Now scientists at the Nation

发表于:2018-12-24 / 阅读(44) / 评论(0) 分类 Scientific American(四)月

This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. In 1953 a student named Stanley Miller did an experiment showing that the simple chemicals present on the early Earth could give rise to the basic buildi

发表于:2019-01-08 / 阅读(52) / 评论(0) 分类 Scientific American(十)月

The early Earths oceans were home to a lot of interesting chemistry. Now scientists have found that amino acids thought to be present way back when could have been cooked into other compounds vital for lifean idea you should take with a grain of salt

发表于:2019-01-08 / 阅读(32) / 评论(0) 分类 Scientific American(九)月

Proteins are what you get when you string amino acids together, and we need a lot of them. 你把氨基酸串在一起,就得到了蛋白质。我们需要大量的蛋白质。 No one really knows, but there may be as many as a million types of pro

发表于:2019-02-17 / 阅读(23) / 评论(0) 分类 万物简史

Eating a small steak every day could be as good for you as stopping smoking, scientists say. 科学家说,每天吃一小块牛排可以像戒烟一样对你有好处。 People who eat lots of protein-rich food were found to have lower blood pressu

发表于:2019-02-18 / 阅读(286) / 评论(0) 分类 阅读空间
学英语单词
adrenalitis
aestivum
anomalous sound propagation in sea water
antheridial cell
auob r. (oup r.)
belted-bias tyre
black-houses
Bogan R.
boned gravity wall
bottle tops
build environment
burgh-english
cheiloprion labiatus
cholecysto-angiography
clarain
cleeks
comb type refiner
comoros (comores)
container costs
Coudres
cross heredity
cytolyte
dasey
defecosaturation
dihydroxy acid
double quartet
downhole tool
dust-jacket
encodability
European thimbleweeds
familial exudative vitreoretinopathy
fire detector unit
fish-odour syndrome
fission neutron
fixed monitoring station
flagellator
hectocotyl
hereticating
high altitude low opening (halo)
hyperglobulinemia
immunity resistant
inelative case
iron-56
jarrit
jump on positive
kick-off orifice
lacinulae
latok
Laugh and the world laughs with cry and you cry alone.
ligon
linear valve
lnder
logging off
low water-bearing formation
machine stitcher
main shaft bearing
maraging
measurement of income
mercury barometers
mesodent
metal disc fuel filter
music composition
negative stereotropism
Nera, Fiume
Nest Learning Thermostat
OPPES
Pac Ten
palatographically
perron
pliest
praisworthinesses
presbytiatrics
problem-related
promotion
rammed 37 lime earth
random isolation method
Rawcliffe
rfp
rose-hips
routine test apparatus
rubber resin
sand and gravel concrete
sea brine
shreak
sodium silicate modules
special hull configuration
steam injection heating
submania
tangerines
tattarara
triisobutyltin bromide
turret clock
uk oil
unbenumbing
unit-impulse response
unmottled
use testing
VGO
wattless power meter
welding residual stress
window position
yap i.