In practice, however, there are at least two difficulties with this definition. One technical difficulty is that proteins consist of domains that can be fused and split, and in many cases, homologous relationships characterize protein domains rather than whole proteins. Thus, all operations on ...
We frame central issues regarding determination of protein-level variation and PTMs, including some paradoxes present in the field today. We use this framework to assess existing data and to ask the question, “How many distinct primary structures of proteins (proteoforms) are created from the 20...
根据第一段“There are many ways to prepare them,such... the average person eating about 320 eggs per year.”可知,本段主要列举了鸡蛋在世界范围内的盛行。故推理出鸡蛋作为食物是很流行的。故选A。 (2)题详解: 细节理解题。根据第二段“Both the white and the yolk are delicious.”可知,蛋白和...
If the human body contains 5.7 L of blood, how many grams of glucose are present in the blood if the concentration is 121 mg/100 mL? If the concentration of glucose inside an E. coli cell is 4.2 mM, how many glucose molecules are in the cell? Assume an E. col...
Manypeopledrinkproteinshakes(高蛋白饮品)regularlytoloseweight,buildmuscleorboth.Others,however,questionthebeliefthatproteinshakesarebetterthannormal,high-proteinfoods.Sowhatisthetruth?Whatisinaproteinshake?Proteinshakesaredietarysupplements(膳食补充品)designedtohelppeopleconsumemoreproteinthantheyotherwisewould. (1)Or...
Nowadays, there are many celebrities who are famous for their glamour and wealth rather than achievements and this sets a bad example for young people. To what extent do you agree or disagree? Give reasons for your answer and include any relevant examples from your own knowledge or experience....
stephens says. nutritionally speaking, whole foods contain a diverse mix of nutrients that many protein shakes just can’t replicate, no matter how fortified they are. we’re not just talking about macronutrients like carbohydrates and healthy fats (and, of course, protein), but also ...
So there are many more genes left to study. Are there special genes that determine fitness? A gene called ACTN3 tells your body how to make a muscle protein (蛋白质). Some people do not have ACTN3. Their muscles do not work as well. Studies show that this keeps them from being ...
And, unlike nutrients that are found only in few foods, protein is present in all foods. "The typical American diet is a lot higher in protein than a lot of us think," says registered dietitian Angela Pipitone. "'It's in foods many of us expect, such as beef, chicken and other ...
Questions 12 to 15 are based on the conversation you have just heard. A) It is being debated by hundreds of retirees. C) It partly records his own experience.B) It is attracting many people's attention. D) It argues for postponing retirement. A) One should foresee a financial crisis. ...