Sentences with phrase «chemical building blocks»

Base pairs are basic chemical building blocks that give DNA its structure.
All the proteins in our body are made of tiny chemical building blocks, called amino acids.
Can you create life from scratch using different chemical building blocks to ours?
Astronomers studying a nearby dwarf galaxy have detected large organic molecules, suggesting that the basic chemical building blocks of life can form in places much more primitive than our own galaxy.
If chemists could capture carbon dioxide and turn it into chemical building blocks for other products, the way plants do, says Cornell University chemical engineer Lynden Archer, «carbon dioxide would not be a nuisance anymore, but a gift.»
Americans are cautious of the idea of creating synthetic life out of chemical building blocks in the lab, but most think it should move forward, a new poll finds.
«Looking ahead,» Erb added, «my dream is to come up with designer catalysts in the lab that we can use... to synthesize any desired product or chemical building block from carbon dioxide.»
A machine in University of Illinois chemistry professor Martin Burke's lab assembles complex small molecules out of simple chemical building blocks, like a 3 - D printer on the molecular level.
Bacteria surround themselves with a shell of self - produced chemical building blocks (polymers) to protect themselves from environmental hazards.
Of course, this doesn't mean that these planets will actually be habitable — that depends on whether they're made of rock and iron, have protective atmospheres and ingredients like water and other chemical building blocks for life as we know it.
The process can also be tailored to produce more of individual chemical building blocks, which in the future could allow chemical companies to produce the most valuable building blocks at any given time, the team reports in the 26 November issue of Science.
He says such a tool could be useful for pharmaceutical chemists who want to mix and match chemical building blocks in many ways to search for new drugs — another application the researchers are working on.
A study described here today at the American Geophysical Union's biennial Ocean Sciences Meeting shows that RNA's chemical building blocks fall apart within days to years at temperatures near boiling — a finding that poses problems for some origin of life theories, especially ones picturing that life arose in scalding settings such as deep - sea hydrothermal vents.
Maybe we should, now that we have a new class of chemical building blocks called superatoms — atomic clusters that behave like individual atoms.
This study offers insights into how chemical building blocks — glyoxal, water, and hydrogen peroxide — chain together, or nucleate, to form materials.
«Besides water, life also requires energy sources and organic chemical building blocks,» Farmer explains.
Swapping out specific chemical building blocks in fluorescent molecules called rhodamines can...
The oxidation process that occurs during catabolism helps synthesize the necessary chemical building blocks that adenosine triphosphate (ATP).
The idea is to use eco-electricity and harness the power of nature to convert CO2 into more complex chemical building blocks, like the alcohols butanol and hexanol.
«Our results demonstrate that complex lipid membranes capable of indefinite self - synthesis can emerge when supplied with simpler chemical building blocks,» said Devaraj.
Professor Besley said: «Delving into the tiniest chemical building blocks of matter, our study harnesses the «observer effect» and establishes an entirely new methodology for studying chemical reactions.
Jack Szostak outlined efforts to reconstruct the pre-evolutionary formation of living systems from basic chemical building blocks.
Fatty acids are chemical building blocks of dietary fats, so their level in a worm's body is one measure of the general nutritional quality of their food.
So it's not surprising that being able to manipulate these chemical building blocks is one of the most exciting prospects in medicine.
If the force of gravity varied by any more than this infinitesimally small number, then stars would burn either too hot or too cold for the chemical building blocks of life to form.
BPA is not used in the production of PET material; it is not used as a chemical building block for any of the materials used in the manufacture of PET, nor is it part of the PET recycling process.
In research that may prove useful to future lunar explorers, scientists from Brown University have created the first quantitative map of water and its chemical building blocks trapped in the uppermost portion of the Moon's soil.
Miller tested the hypothesis that life's chemical building blocks were formed when Earth had an atmosphere rich in methane, ammonia, water, and hydrogen.
Additional action plans are slated, including for another high - profile substance, bisphenol A (BPA), the chemical building block of polycarbonate plastics used in countless consumer products and to make many resins that line food and beverage cans.
Enstatite chondrites are similarly reduced and may be a good proxy to the chemical building blocks.
Despite this, glycolysis is thought to benefit cancer cells because it also produces the chemical building blocks for making cells, and enables cancer cells to rapidly grow.
It is now illegal to import a number of these substances into the United Kingdom and parts of the United States, but the chemical building blocks used to produce them are common compounds that would be hard to ban — or even to control.
The chemical building blocks that make plastics so versatile are the same components that might harm people and the environment.
Supramolecular chemistry is the science that is concerned with molecular self - assembly: chemical building blocks which, when you combine them, naturally form larger ordered structures.
«It is the same sort of process scientists use to make medicines and plastics from simple chemical building blocks.
This gene includes a repeated, three - letter sequence of nucleotides, the gene's chemical building blocks.
The chemical building blocks all have the same connector piece and can be stitched together with one simple reaction, the way that a child's interconnecting plastic blocks can have different shapes but all snap together.
They know that stars and the dense clouds where stars are born are rich sources of chemical building blocks — molecules, atoms and ions.
Benziodoxaborole is a precursor that presents a chemical building block that is used to create other substances.
«Now we're going to move on to the chemical building blocks of life and the elemental chemistry and the mineralogy.»
Biological chemist Carlo Unverzagt of the University of Bayreuth in Germany notes that the purity of their chemical building blocks decreased with each step of synthesis, and that the researchers failed to obtain a mass spectrum of the final folded protein.
Evidence is mounting that the chemical building blocks that make plastics so versatile are the same components that might harm people and the environment.
After designing the chemical building blocks of peptides, the researchers used the supercomputer Mira, with its 10 petaflops of processing power and more than 780,000 cores, to model scores of potential shapes, or conformations, that specific backbone sequences of amino acids might take.
These are repeating sequences of base pairs — the chemical building blocks of DNA — whose length and make - up are highly specific to individuals.
The system works by combining DNA «templates» - short segments of DNA — with the chemical building blocks of molecules, each of which is linked to its own complementary piece of DNA.
«Making better medicines with handful of chemical building blocks
In the same way that plastic building blocks of different sizes and shapes can snap together because they share a simple connector, the chemical building blocks are linked together with one simple reaction.
He and his team converted the lava deposits» element ratios into the chemical building blocks that make up rock, then followed this recipe to create synthetic rocks representing each lava deposit.
Those sediments may provide answers to scientists» burning questions, including how Mars transitioned from a wet, warm world to what we see today, and whether the planet possesses the chemical building blocks for life (SN Online: 8/4/17).
a b c d e f g h i j k l m n o p q r s t u v w x y z