Sentences with phrase «of modern cell»

10/10/2008 Nobel Laureate, «Father of Modern Cell Biology» George Palade Dies at Age 95 Nobel Laureate George Palade (pronounced «pa - LAH - dee»), M.D., considered the father of modern cell biology, died at home on Tuesday, October 7 at age 95 after a long illness.
A pioneer of modern cell biology used cell fractionation and electron microscopy to describe subcellular structures.
Trouble is, creationists likely wouldn't accept anything less than the creation of a modern cell as evidence of abiogenesis.
Lie4Him, Schweitzer, one of the first scientists to use the tools of modern cell biology to study dinosaurs, has upended the conventional wisdom by showing that some rock - hard fossils tens of millions of years old may have remnants of soft tissues hidden away in their interiors.
The origins of all modern cells occurred in deep time of the Archaean.

Not exact matches

The group already produces electric motors, which turn the wheels, as well as battery cells in - house, and is investing heavily in software development, an increasingly important part of modern cars.
The location - sharing practice does not appear to be limited to any particular type of Android phone or tablet; Google was apparently collecting cell tower data from all modern Android devices before being contacted by Quartz.
The theory of societies, like modern general systems theory, pictures a world made up of societies within societies (systems within systems) That is, societies do not just line up side by side like mosaics — they form «nested hierarchies» that go from subatomic particles through cells to animal bodies, or through stars to galaxies.
«In its 4.6 billion years circling the sun, the Earth has harbored an increasing diversity of life forms: for the last 3.6 billion years, simple cells (prokaryotes); for the last 3.4 billion years, cyanobacteria performing ph - otosynthesis; for the last 2 billion years, complex cells (eukaryotes); for the last 1 billion years, multicellular life; for the last 600 million years, simple animals; for the last 550 million years, bilaterians, animals with a front and a back; for the last 500 million years, fish and proto - amphibians; for the last 475 million years, land plants; for the last 400 million years, insects and seeds; for the last 360 million years, amphibians; for the last 300 million years, reptiles; for the last 200 million years, mammals; for the last 150 million years, birds; for the last 130 million years, flowers; for the last 60 million years, the primates, for the last 20 million years, the family H - ominidae (great apes); for the last 2.5 million years, the genus H - omo (human predecessors); for the last 200,000 years, anatomically modern humans.»
To quote Ayala and Kiger's textbook, Modern Genetics: «There is no way of knowing whether a given gene will mutate in a particular cell or in a particular generation,» because the mutations «are unoriented with respect to adaptation.»
(1) human life (2) animal life (3) vegetable life (4) single living cells (5) large scale inorganic aggregates of occasions (6) energy - events disclosed by modern physics
Wesley's emphasis on the small group — most famously, his disciplined, close - knit «CLASS meetings» — has shaped the landscape of modern American spirituality through «cell groups,» Bible studies, and many other small - group modes of fellowship and worship.
I'd bet that 90 % of those who know enough basic biology to write a short essay on cell mitosis and DNA replication would also say «evolution is obvious and is the basis for of all of modern biology».
Despite its demonization as a right wing Christian rejection of modern science if not modernity as a whole, the language of Bush's order manages to acknowledge the serious and profound ethical dilemmas that surround stem cell research and to clearly articulate both the scientific and moral principles that ground its decisions.
Modern psychosomatic medicine has made some progress in analyzing along these lines; for example, it seems quite possible that the emotional tone of my soul may directly alter the patterns of physical feeling in my stomach.4 Still, we should not suppose too quickly that the aims of a human personality have any very effective direct influence on the molecules of body cells, other than those in the brain.
Power goes out and cell phone towers go down, making most modern forms of staying in touch with one another difficult.
Obama's elevation of bodily suffering above all other considerations, as he articulates it in his remarks to the press following his new executive order on stem cell research, is clearly an expression of this Cartesian legacy, of a modern science pregnant with moral attachments.
Oranges and lemons are each great sources of antioxidants, which help to prevent many modern - day diseases and keep all of your healthy cells untouched by toxins and foreign invaders.
Aside from the basics and generic marvels of modern invention (roof over my head, car, cell phones, internet, elevators, dishwashers, tampons, etc, etc), in my own life and particular circumstances I'm especially grateful for my Ergo baby carrier, very involved and very good Grandparents on both sides, a very involved and very amazing husband, and the luxury of eating out more often than I should.
Same for gay rights, stem cells, the Drug War, prayer in schools, creationism, and a lot of the other defining issues of modern US conservatism.
Planning board chairman Drew Boggess, a Rotron engineer and manager, was nominated by his wife Judith and again seconded by Horner, who noted his background as someone familiar with technical aspects of modern life... a theme quietly played out over the evening as some noted Rozzelle's unfamiliarity with and distaste for voice mail, cell phones and email.
«One issue here is that if a mutation occurs in less than 20 percent of the cells, it's hard to detect by modern methods,» he says.
Thought to have disappeared from the ancestors of modern pigs about 20 million years ago, the gene helps cells dissipate more heat and burn fat.
The child's UCSF physician told her that the university probably still had a sample of the cells and suggested that modern testing might make things clearer.
The consequences of modern life, eating and staying up later, shift work, cell phone addiction, and travel across time zones, all disturb internal clocks.
At some point, Martin speculates, the bacterium gave the archaean a gene for membrane synthesis, leading to a bubbling up of membrane within the host cell, something like what happens when modern eukaryotes divide and then reform their nucleus from membrane pieces grown inside them.
The finding could help engineers and materials scientists produce solar cells and other opto - electronics without the help of the high temperatures required to shape glass today — making this ancient arrangement a boon for modern technology.
Most of Dodgeball's interactions rely on the basic text - messaging features built into modern cell phones.
It definitively bridges the gap between viruses and cells — a gap that was proclaimed as dogma at the very outset of modern virology back in the 1950s.
With more than 10,000 pieces of data being collected about each individual cell, modern computers are essential in achieving the level of sensitivity needed for this type of research.»
Weissman - Unni's images took first place in a 2006 contest sponsored by the Barcelona Science Museum and have been featured everywhere from an online photo gallery for the journal Cell to the Web site of the Museum of Modern Art.
In addition to emphasizing the recruitment of graduate students, American universities have a number of on - campus service facilities such as modern research labs, well - stocked reagent rooms, and cell culture facilities.
The final guidelines on research with human embryonic stem cells issued on Monday by the National Institutes of Health set out criteria for determining which ES cell lines can be used in federally funded experiments and give NIH discretion to approve old lines that don't meet stringent modern ethical requirements.
In order to locate all gene switches, the Freiburg research team used modern sequencing methods to examine the entire genome — DNA, epigenetic markers and RNA — during the development, maturation and disease of human cardiac muscle cells.
Modern genetics has revealed that much of the diversity of life on Earth is found in single - celled organisms that reproduce asexually by splitting in two — thus flummoxing the definition.
But in modern cells, proteins are used to make the components of the code.
As a result, they say, the origin of the first eukaryotic cell has remained «one of the most enduring mysteries in modern biology.»
If so, then modern eukaryote cells could be the product of geologically rare conditions.»
Researchers, tackling a modern challenge of diabetes research, have identified a gene believed to disrupt the ability of beta cells to produce insulin resulting in type 1 diabetes.
Modern cells use RNA to make proteins, the workhorses of cellular function, but RNA likely preceded both proteins and DNA.
In modern cells, that process involves 1,000 genes, all of which cost a lot of energy to produce, he said.
Scientists are exploring ways to develop transparent or semi-transparent solar cells as a substitute for glass walls in modern buildings with the aim of harnessing solar energy.
This process of activating oxygen molecules by adding electrons is ubiquitous — all living organisms use this trick, and modern fuel cells also work in this way.
Researchers sequenced ancient DNA from the mitochondria — the tiny energy factories inside cells — from a Neandertal that lived at least 100,000 years ago in southwest Germany, and found that its mitochondrial DNA (mtDNA) resembled that of modern humans.
From there it's a matter of getting the hybrid cell to grow in a surrogate, hoping all the genes work harmoniously together, bringing the hybrid to term, and hoping it acts like the extinct species even though it was raised by a modern relative.
Dr Nick Lane (UCL Biosciences) who led the study said, «I find this work just beautiful — it constrains a sequence of steps going from the strange cell that seems to have been the ancestor of all life today, right through to the deep division between modern cells.
«The success of our technology, in combination with modern anti-reflection coatings, will take us a long way down the path towards highly efficient and thin solar cells that could be available at a competitive price.»
Scales are visible to the naked eye; more remarkable, electron microscopy reveals double - layered skin similar to that of modern animals, and possibly even the outlines of cells.
A paper to be published this week in The Plant Cell reveals the answer to the long - standing question of how black rice became black and, moreover, traces the history of the trait from its molecular origin to its spread into modern - day varieties of rice.
The majority of modern fuel cells, specifically those used for automotive applications, are proton exchange membrane (PEM) fuel cells, which functions by exchanging protons across an acidic polymer membrane to produce electricity and heat.
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