Protein portion of an enzyme when it is combined with organic molecule is termed as ?->(Show Answer!)

1. Protein portion of an enzyme when it is combined with organic molecule is termed as

Write Comment

Comments

Tags

Show Similar Question And Answers

QA->How much portion of egg does protein content?....

QA->Which enzyme take part in digestion of milk protein?....

QA->The amount of protein required by an Indian adult is ------gm protein/Kg body wt:....

QA->Which vegetable protein is considered as good as an animal protein?....

QA->__________ is the central portion of earth....

MCQ-> Answer questions on the basis of information given in the following case. Mohan’s was a popular fast - food joint at Connaught Place, Delhi. Initially Mohan handled his business alone. His sons, Ram and Kishan, joined the business after graduation from college. Ram was entrepreneurial in nature. Subsequently, another branch of Mohan’s was opened in Panipat. Mohan had chosen Ram to head the Panipat branch. Though Ram increased sales in short time, he had stopped using premium quality organic vegetables, the speciality of Mohan’s. Mohan and Kishan were not happy with his way of doing business. Now, the foremost challenge for Mohan was to sort out this issue with Ram. Mohan knew that replacing Ram with Kishan was difficult as Kishan did not want to leave Delhi. However, giving a freehand to Ram might have long term negative consequences. Mohan was confused about the future of course of actions.Mohan sought the help of five consultants, who give the following opinions: I. Organic vegetables might be a big success at Connaught place but awareness about organic vegetables is low among Panipat customers. II. The Connaught place model can be implemented in Panipat provided the business is prepared to face the consequences. III. Many high end restaurants in Panipat use organic vegetables. So, using organic vegetables will not be a differentiating factor. IV. Selling prices of their dishes in Panipat are significantly lower. Using organic vegetables will bring down profits. V. Premium quality org anic vegetables are not easily available in Panipat. Which of the following set of options would support Ram’s argument of not using organic vegetables?....

MCQ->Protein portion of an enzyme when it is combined with organic molecule is termed as....

MCQ->Statements: About 50 per cent of the animal by-products - hair, skin, horns etc. is edible protein. American chemists have developed a method of isolating 45 per cent of this protein. They used an enzyme developed in Japan to break down soya protein. Conclusions: Americans have not been able to develop enzymes. Animal by-products protein has the same composition as soya protein.

....

MCQ-> Read the given passage carefully and select the best answer to each question out of the four given alternatives.A growing demand for organics, and the near-total reliance by US farmers on genetically modified corn and soybeans, is driving a surge in imports from other nations where crops largely are free of bioengineering. Imports such as corn from Romania and soybeans from India are booming, according to an analysis of US trade data released Wednesday by the Organic Trade Association and Pennsylvania State University. That shows a potential market for US growers willing to avoid the use of artificial chemicals and genetically modified seeds, said Laura Batcha, chief executive officer of the association, which includes Whole Foods Market Inc., Whitewave Foods Co. and Earthbound Farm LLC. The report is "a help-wanted sign" for US farmers, Batcha said. "There are market distortions that are pretty striking." Most of the corn and soybean shipments become feed for chickens and cows so they can be certified organic under US Department of Agriculture guidelines. Organic poultry and dairy operators shun feed made with seeds from Monsanto Co. and other domestic suppliers in favor of foreign products even as the US remains the world’s top grower of corn and soybeans. As a result, imports to the US of Romanian corn rose to $11.6 million in 2014 from $545,000 the year before. Soybean imports from India more than doubled to $73.8 million. Rising consumer demand in what’s been a niche market is creating shortages, pushing companies that supply farms needing organic feed to seek out foreign sources. About 90% of US corn and soy is bioengineered, thus automatically ineligible for the organic label.What is driving a surge in imports from other nations?
....

MCQ-> Cells are the ultimate multi-taskers: they can switch on genes and carry out their orders, talk to each other, divide in two, and much more, all at the same time. But they couldn’t do any of these tricks without a power source to generate movement. The inside of a cell bustles with more traffic than Delhi roads, and, like all vehicles, the cell’s moving parts need engines. Physicists and biologists have looked ‘under the hood’ of the cell and laid out the nuts and bolts of molecular engines.The ability of such engines to convert chemical energy into motion is the envy nanotechnology researchers looking for ways to power molecule-sized devices. Medical researchers also want to understand how these engines work. Because these molecules are essential for cell division, scientists hope to shut down the rampant growth of cancer cells by deactivating certain motors. Improving motor-driven transport in nerve cells may also be helpful for treating diseases such as Alzheimer’s, Parkinson’s or ALS, also known as Lou Gehrig’s disease.We wouldn’t make it far in life without motor proteins. Our muscles wouldn’t contract. We couldn’t grow, because the growth process requires cells to duplicate their machinery and pull the copies apart. And our genes would be silent without the services of messenger RNA, which carries genetic instructions over to the cell’s protein-making factories. The movements that make these cellular activities possible occur along a complex network of threadlike fibers, or polymers, along which bundles of molecules travel like trams. The engines that power the cell’s freight are three families of proteins, called myosin, kinesin and dynein. For fuel, these proteins burn molecules of ATP, which cells make when they break down the carbohydrates and fats from the foods we eat. The energy from burning ATP causes changes in the proteins’ shape that allow them to heave themselves along the polymer track. The results are impressive: In one second, these molecules can travel between 50 and 100 times their own diameter. If a car with a five-foot-wide engine were as efficient, it would travel 170 to 340 kilometres per hour.Ronald Vale, a researcher at the Howard Hughes Medical Institute and the University of California at San Francisco, and Ronald Milligan of the Scripps Research Institute have realized a long-awaited goal by reconstructing the process by which myosin and kinesin move, almost down to the atom. The dynein motor, on the other hand, is still poorly understood. Myosin molecules, best known for their role in muscle contraction, form chains that lie between filaments of another protein called actin. Each myosin molecule has a tiny head that pokes out from the chain like oars from a canoe. Just as rowers propel their boat by stroking their oars through the water, the myosin molecules stick their heads into the actin and hoist themselves forward along the filament. While myosin moves along in short strokes, its cousin kinesin walks steadily along a different type of filament called a microtubule. Instead of using a projecting head as a lever, kinesin walks on two ‘legs’. Based on these differences, researchers used to think that myosin and kinesin were virtually unrelated. But newly discovered similarities in the motors’ ATP-processing machinery now suggest that they share a common ancestor — molecule. At this point, scientists can only speculate as to what type of primitive cell-like structure this ancestor occupied as it learned to burn ATP and use the energy to change shape. “We’ll never really know, because we can’t dig up the remains of ancient proteins, but that was probably a big evolutionary leap,” says Vale.On a slightly larger scale, loner cells like sperm or infectious bacteria are prime movers that resolutely push their way through to other cells. As L. Mahadevan and Paul Matsudaira of the Massachusetts Institute of Technology explain, the engines in this case are springs or ratchets that are clusters of molecules, rather than single proteins like myosin and kinesin. Researchers don’t yet fully understand these engines’ fueling process or the details of how they move, but the result is a force to be reckoned with. For example, one such engine is a spring-like stalk connecting a single-celled organism called a vorticellid to the leaf fragment it calls home. When exposed to calcium, the spring contracts, yanking the vorticellid down at speeds approaching three inches (eight centimetres) per second.Springs like this are coiled bundles of filaments that expand or contract in response to chemical cues. A wave of positively charged calcium ions, for example, neutralizes the negative charges that keep the filaments extended. Some sperm use spring-like engines made of actin filaments to shoot out a barb that penetrates the layers that surround an egg. And certain viruses use a similar apparatus to shoot their DNA into the host’s cell. Ratchets are also useful for moving whole cells, including some other sperm and pathogens. These engines are filaments that simply grow at one end, attracting chemical building blocks from nearby. Because the other end is anchored in place, the growing end pushes against any barrier that gets in its way.Both springs and ratchets are made up of small units that each move just slightly, but collectively produce a powerful movement. Ultimately, Mahadevan and Matsudaira hope to better understand just how these particles create an effect that seems to be so much more than the sum of its parts. Might such an understanding provide inspiration for ways to power artificial nano-sized devices in the future? “The short answer is absolutely,” says Mahadevan. “Biology has had a lot more time to evolve enormous richness in design for different organisms. Hopefully, studying these structures will not only improve our understanding of the biological world, it will also enable us to copy them, take apart their components and recreate them for other purpose.”According to the author, research on the power source of movement in cells can contribute to
....