| 单词 | protein molecule |
| 例句 | If we could enter a cell, many of the molecular specks we would see would be protein molecules, some in frenzied activity, others merely waiting. Cosmos 1980-01-01T00:00:00Z Of course there were scientists who thought the evidence favoring DNA was inconclusive and preferred to believe that genes were protein molecules. Double Helix 1968-02-27T00:00:00Z Experiments of the German Gerhard Schramm, first published in 1944, reported that TMV particles in mild alkali fell apart into free RNA and a large number of similar, if not identical, protein molecules. Double Helix 1968-02-27T00:00:00Z “A gene,” Beadle wrote in 1945, “can be visualized as directing the final configuration of a protein molecule.” The Gene 2016-06-02T00:00:00Z There are several enzymes — which are protein molecules that kickstart biological activity — at work in bread. J. Kenji López-Alt explains why a Dutch oven is the secret to a springier, crustier loaf of bread 2020-11-18T05:00:00Z In 1959 Max Perutz, whose methodological work had been crucial to Kendrew's success, solved the structure of haemoglobin, only the second protein molecule to be analysed by X-ray crystallography. Myoglobin: turd of the century? 2013-04-19T06:29:00Z "Here are the small water molecules and there are the big protein molecules. However, there are a lot of water molecules, and together they add as much to the driving force as the large proteins." Water makes all the difference 2023-10-02T04:00:00Z But when it comes to imaging the smallest protein molecules, their tiny size makes it impossible to ascertain their orientations in the images, which results in relatively low-resolution images. An advance in cryo-EM could be a significant boon for research on potential cancer therapies 2023-09-28T04:00:00Z In the soupy interior of every cell in the body, millions of protein molecules carry out the tasks of life: They are the cellular equivalent of bricks and beams, providing structure and support. Unzipping mRNA rallies plant cells to fight infection 2023-09-21T04:00:00Z The cortex is made up of spring-shaped protein molecules that lie in parallel rows in a cylindrical bundle. Why Hair Turns Curly and Frizzy in the Summer, according to Chemistry 2023-08-16T04:00:00Z “This notion of how protein molecules are and how they behave experimentally builds in a lot of constraints,” says Correia. Proteins Never Seen in Nature Are Designed Using AI to Address Biomedical and Industrial Problems Unsolved by Evolution 2023-04-28T04:00:00Z The process generates so much heat that it denatures, or unravels, most of the available protein molecules in the extruded material, rendering it somewhat shapeless. Why Is It So Hard to Make Vegan Fish? 2023-02-28T05:00:00Z "Our scaffold is modular and can be assembled in any configuration to capture and hold all kinds of small protein molecules," he said. An advance in cryo-EM could be a significant boon for research on potential cancer therapies 2023-09-28T04:00:00Z We also don't know exactly how many protein molecules are required to keep cells together. Genetically engineered bacteria make living environmental solutions 2022-10-16T04:00:00Z But there’s another natural phenomenon that keeps the protein molecules in the cortex in line – something called hydrogen bonding. Why Hair Turns Curly and Frizzy in the Summer, according to Chemistry 2023-08-16T04:00:00Z The enzyme reverse transcriptase transcribes the DNA straight into the protein molecules. Biology for AP Courses 2022-06-09T00:00:00Z Boiling causes protein molecules in the egg to twist around one another, and a centrifuge can disentangle them to restore the original. How Physicists Cracked a Black Hole Paradox 2022-08-20T04:00:00Z Cells use protein molecules to communicate with one another and trigger functions throughout the body. Tiny Antennas Made from DNA Light Up Protein Activity 2022-04-25T04:00:00Z You should also pay attention to terms like “partially hydrolyzed” or “enzymatically hydrolyzed,” which refer to the size of the protein molecule in the formula. Some Baby Formulas Are Out of Stock. Here’s How to Handle the Shortage. 2022-01-28T05:00:00Z The long, stringy protein molecules in the cortex contain tiny positive and negative charges throughout their structure. Why Hair Turns Curly and Frizzy in the Summer, according to Chemistry 2023-08-16T04:00:00Z Digested carbohydrate, fat, and protein molecules are absorbed by villi in the small intestine. Biology for AP Courses 2022-06-09T00:00:00Z Antibodies are protein molecules the immune system produces to neutralize viruses or bacteria that have entered the body. Antibody tests can’t give answers you want about covid-19 immunity. 2021-10-15T04:00:00Z It is targeting hemoglobin, a protein molecule in your blood that carries oxygen. ‘Astounding’ new study shows using a pulse oximeter saves COVID patients’ lives 2021-10-11T04:00:00Z They focused on the varieties of large, complex protein molecules created in tissues throughout the body that, when released into the bloodstream, flow to and jump-start biological processes elsewhere, affecting how well our bodies work. The Best Type of Exercise? A Blood Test Holds Clues 2021-06-09T04:00:00Z Over a single weekend in January 2020, National Institutes of Health scientists designed the spike protein molecule that Moderna’s vaccine needed to trigger a human immune response against the virus. Advocates want NIH to use its Moderna vaccine patent to push for global access 2021-03-25T04:00:00Z A prosthetic group is a non- protein molecule required for the activity of a protein. Biology for AP Courses 2022-06-09T00:00:00Z It’s targeting hemoglobin, a protein molecule in your blood that carries oxygen. What’s a Pulse Oximeter, and Do I Really Need One at Home? 2020-04-24T04:00:00Z Other scientists are developing materials that protect protein molecules during freezing. ‘We need a people’s cryo-EM.’ Scientists hope to bring revolutionary microscope to the masses 2020-01-23T05:00:00Z Were it possible to compute the exact energy of protein molecules from quantum theory, and to do so for every possible conformation, then predicting a protein’s most energetically favoured structure would be easy. A watershed moment for protein structure prediction 2020-01-14T05:00:00Z It also happens to be effective uncoiling protein molecules in beans and realigning them in ways that vastly change their texture. Ethan Brown went vegan, but missed fast food. So he started a revolution 2020-01-08T05:00:00Z In this case, the normal chemical reactions involved in digestion do not work as well, meaning larger protein molecules and other potentially harmful substances are able to pass through to the intestine. Stomach acid-reducing drugs may raise risk of future allergies – study 2019-07-30T04:00:00Z The roof leaks; Martin’s kidneys leak protein molecules. Connecticut woman donates kidney to family friend 2019-07-23T04:00:00Z Cryo-EM needs fewer copies of a protein molecule than x-ray crystallography, and yet purifying techniques haven’t changed significantly in 20 years, he says. ‘We need a people’s cryo-EM.’ Scientists hope to bring revolutionary microscope to the masses 2020-01-23T05:00:00Z Drugs affect the body by binding and acting at various protein molecules, usually on the surface of the cells in the body, called receptors. CBD: Rising star or popular fad? 2019-02-10T05:00:00Z People with immune deficiencies can be given extra immunoglobulins, a protein molecule, to boost the levels in their bloodstream, helping them fight infections. Should we pay people for donating blood or not? 2018-11-14T05:00:00Z Scientists knew the makeup of the individual protein molecules in silk. The secret of super-strong webs is traced to tiny structures in spider glands 2018-10-22T04:00:00Z He is best known for the geodesic dome, a rounded form composed of interlocking triangles that was later found to be the same structure underlying protein molecules. Review: A new R. Buckminster Fuller exhibition goes far beyond the dome - Los Angeles Times 2018-10-23T04:00:00Z The T-cells are then dripped back into the patient, where they home in on protein molecules called CD19 found on malignant cells in most types of leukemia and lymphoma. New Gene Treatment Effective for Some Leukemia Patients 2017-11-20T05:00:00Z These tools range from single-cell RNA sequencing to techniques for assessing a cell’s protein molecules and profiling the accessibility of the chromatin. The Human Cell Atlas: from vision to reality 2017-10-17T04:00:00Z “There will be a whole class of protein molecules and receptors that will be critically important for fighting disease,” Agard said. Three biophysicists win 2017 Nobel Prize in chemistry for imaging molecules of life 2017-10-04T04:00:00Z This may require tweaking the hydrogel, the current structure of which is likely to be too dense to permit the passage of a large protein molecule. A better way to make drinks and drugs 2017-07-06T04:00:00Z Here’s how Tim Hunt, who won a Nobel Prize in 2001 for his work on protein molecules, explained the problem with “girls” in his world. From lab, to Olympic podium to White House, accomplished women are still dismissed 2016-12-29T05:00:00Z There, he joined some 20 students learning to pipette liquid extracts into gels and stain them with pigments to figure out which protein molecules they contained. Is It Possible to Make a Less Allergenic Peanut? 2016-12-15T05:00:00Z Each protein molecule contributes two windings of a helix to the length of the fibril so that the β-strands alternate between intermolecular and intramolecular hydrogen bonding along the axis of the fibre. The activities of amyloids from a structural perspective : Nature : Nature Research 2016-11-08T05:00:00Z Computational topology is already employed in tasks as diverse as loading goods at dockyards and studying the way protein molecules fold, so many topological algorithms already exist. Listen to the music of the traffic in the city 2016-10-20T04:00:00Z The exome, for example, is the part of the genome comprising only the stretches of DNA called exons that code for protein molecules.Targeting only these regions is like fishing: it requires bait. Technology: Read the instructions : Nature : Nature Research 2016-09-06T04:00:00Z Many of these kill their prey with venoms that contain hundreds of protein molecules, some of which block nerve activity. Spiders and scorpions join fight against superbugs 2016-08-09T04:00:00Z A cyclin is one of the most important protein molecules needed for cell division. Scientists find key to malaria growth - BBC News 2015-11-13T05:00:00Z Hunt, 72, won the 2001 Nobel prize in physiology and medicine for his work on protein molecules and their role in cell division. Nobel Scientist's Sexist Remarks Provoke Outrage 2015-06-10T04:00:00Z These structures, contained within individual cells, are known as proteasomes and, in them, undesired protein molecules are chopped into bits. Irwin Rose, who shared 2004 Nobel Prize in chemistry, dies at 88 2015-06-03T04:00:00Z The secret to mussel glues is their unusual protein molecules. Polymers: Secrets from the deep sea : Nature : Nature Publishing Group 2015-03-24T04:00:00Z One problem is that engineered spider-silk protein molecules are not as large as the originals. Spiders: Web of intrigue : Nature : Nature Publishing Group 2015-03-24T04:00:00Z They say it is down to protein molecules called cyclins which cause cells to divide rapidly in the malaria parasite. Scientists find key to malaria growth - BBC News 2015-11-13T05:00:00Z This single protein molecule can respond to both heat and capsaicin by opening an ion channel, a pore that lets positive ions flow inside, thereby causing the sensory neuron to fire electrical spikes. How We Sense the Heat of Chili Peppers and the Cool of Menthol [Excerpt] 2015-02-04T05:00:00Z After embracing the particular protein molecule that is fated for destruction, ubiquitin journeys with it through the cell to the proteasomes. Irwin Rose, who shared 2004 Nobel Prize in chemistry, dies at 88 2015-06-03T04:00:00Z Jarvik’s research at CMU involves cell receptors - protein molecules on cell membranes where such biological agents as hormones, antibodies, molecules and neurotransmitters attach themselves and alter cell function. Crowdfunding sought for researcher’s pet aging project 2015-02-02T05:00:00Z Unlike typical drugs, which are relatively small molecules made through biochemical processes, biologics are large protein molecules produced by genetically engineered organisms. First biosimilar drug set to enter US market 2015-01-12T05:00:00Z Weak light of the appropriate wavelength is shone on the sample, which persuades a small fraction of the special protein molecules to light up. Blue’s brothers 2014-10-09T04:00:00Z These chains are then folded into the protein molecules that build and maintain the organism - be that an animal, a plant, or even just a simple bacterium. Lab bug extends ‘life's alphabet’ 2014-05-08T12:33:41Z “This opens up a whole new universe of protein molecules for crystallography that we couldn't do before because we couldn't grow big enough crystals,” he says. Structural biology: More than a crystallographer 2014-01-29T18:51:49.908Z That’s important because those nutrients play a pivotal role in metabolism, bolstering your health and creating critical new protein molecules. Tapping the power of protein 2014-01-20T21:02:14Z Frequently described as the father of genomics, Dr. Sanger won his first Nobel Prize in chemistry in 1958 for developing methods that helped unravel the chemical structure of protein molecules. Frederick Sanger, Winner of Two Nobel Prizes, Dies 2013-11-20T18:27:45Z When the misfolded protein contacts other prion protein molecules, they too are corrupted and begin to bind to one another. Prions May Develop Drug Resistance: The Implications for Mad Cow, Alzheimer s and Parkinson s 2013-10-16T19:15:10.913Z Phosphorylation, or the addition of a phosphate group to a protein molecule, is an important step in cell signaling. Hallmarks of Cancer 1: Self-Sufficiency in Growth Signals 2013-09-18T13:15:00.663Z Some are minerals and others are enzymes, which are protein molecules that facilitate chemical reactions necessary for cells to function properly. Antioxidants are beneficial, but consumers should know the myths about them 2013-05-06T15:36:58Z Scientists have considered this as a major step towards treating various pathological diseases by making the ribosome machine dysfuctional in making correct protein molecules. Scicurious Guest Writer! Ribosomes: Prepare to be translated 2013-05-01T13:45:03.753Z The only reliable way to determine the secondary and tertiary structure of a protein molecule is to crystallize it and mathematically analyze the crystal's X-ray-diffraction pattern. The Nerve-Growth Factor: A New Tool for Manipulating Neurons 2013-01-03T11:15:00.190Z It binds protein molecules, gluing together small pieces of fish, meat or poultry. Well: Food Myths 2012-12-31T05:01:32Z As these fold up into entire protein molecules, their interactions become highly complex - a phenomenon which biologists still do not fully understand. Life: Now available for download 2012-07-31T07:48:18Z As mentioned earlier, hair strands are made of protein molecules called keratins. Hairy Science: Measuring Humidity with a Hair Hygrometer 2012-04-19T14:15:00.237Z Each of these subunits is made up of ribosomal RNA and protein molecules that complement each other in achieving ribosome’s function of protein synthesis. Scicurious Guest Writer! Ribosomes: Prepare to be translated 2013-05-01T13:45:03.753Z These channels are cylindrical assemblages of protein molecules which help to control such things as the electrical activity of nerve cells and the release of hormones. Evolution: The value of a good editor 2012-01-04T18:33:07Z We looked at something no one before us had seen: a three-dimensional picture of a protein molecule in all its complexity. 100 Years Ago: Presidential Letter 2011-12-01T14:45:15.003Z These like to form cross-links between protein molecules, and thus tend to hold such molecules together. Silk from the sea: No sow?s ear 2011-11-16T18:33:04Z It is a complex protein molecule, built of four almost-identical units. Circadian clock without DNA--History and the power of metaphor 2011-02-11T16:15:02.303Z It does this by combining the work done by the individual small and large subunits in gathering the tRNA-bound amino acid components from the cytoplasm and putting them together to make extensive protein molecules. Scicurious Guest Writer! Ribosomes: Prepare to be translated 2013-05-01T13:45:03.753Z Multiple biochemical processes create chemical modifications of protein molecules, further diversified by association with distinct structures at defined locations of a cell. 2045: The Year Man Becomes Immortal 2011-02-10T07:45:00Z Last year, Zhang's team reported a plasmon laser that generated visible light in a space only 5 nanometers wide, or about the size of a single protein molecule. Scientists Take Plasmon Lasers Out of Deep Freeze 2010-12-21T15:28:00Z Instead, viruses are just sets of genes packed inside a capsule, or “capsid,” that is usually made out of protein molecules. A Gazillion Tiny Avatars 2009-12-16T16:25:00Z He summarizes scientists’ efforts to search through the billions of protein molecules in the human body for less ambiguous early cancer markers. Books: Taking Pains to Take Care, Both Now and Then 2010-05-24T19:33:00Z To be precise, they have been linked to a hormone called vasopressin and the protein molecule that acts as its receptor. 2009-12-30T10:39:00Z These few examples will serve to illustrate the enormous size and complexity of the protein molecule. The Chemistry of Plant Life The structures of giant protein molecules shifted slightly in those first cells and became a memory of decisions and encounters. The Great Gray Plague The protein molecule is made up of a number of organic units known as amino acids. Northern Nut Growers Association Report of the Proceedings at the Eleventh Annual Meeting Washington, D. C. October 7 and 8, 1920 In the construction of the protein molecule of plants, nitrogen is absorbed from the soil in soluble forms, as compounds of nitrates and nitrites and ammonium salts. Human Foods and Their Nutritive Value If we could only see what happens to the protein molecule when it undergoes oxidization, we would witness a violent explosion, like that of a mass of gunpowder. The Doctrine of Evolution Its Basis and Its Scope Hence, the number of possible combinations of amino-acids into protein molecules is very great. The Chemistry of Plant Life It is a complex molecule that latches to a protein molecule and then breaks it apart into amino acids. How and When to Be Your Own Doctor This may be an adaptation for the purpose of breaking up the foreign protein molecules composing the bacteria. Origin and Nature of Emotions The protein molecule dissociates at a high temperature, with formation of volatile products, and therefore foods rich in protein should not be subjected to extreme heat, as losses of food value may result. Human Foods and Their Nutritive Value Therefore the carbohydrates do not possess so much power or energy as the protein molecule; in short, they are not such good fuels for the living mechanism. The Doctrine of Evolution Its Basis and Its Scope It seems that metabolic changes of the complex protein molecules are much more difficult to bring about and take place much more slowly than do those of the energy-producing types of compounds. The Chemistry of Plant Life Then the enzyme finds yet another protein molecule to free. How and When to Be Your Own Doctor Is the protein molecule as completely oxidized in the body as starch or fat? Human Foods and Their Nutritive Value What are some of the derivative products that can be obtained from the protein molecule? Human Foods and Their Nutritive Value A protein molecule is a large, complex string of amino acids, each linked to the next in a specific order. How and When to Be Your Own Doctor |
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