Billy Bell

What are the ten physical features of the United States? What are the ten physical features of North America? North America can be divided into five actual regions: the Mountainous West, the Great Plains, the Canadian Shield, the Diverse Eastern, and the Caribbean. The western coast of Mexico and Central America is connected to the … Read more

Why is filter chromatography useful? A major advantage of gel filtration chromatography is that the separation can be performed under conditions specifically designed to maintain the stability and activity of the molecule in question without compromising accuracy. What is the use of gel filtration chromatography? Gel filtration chromatography, a type of size exclusion chromatography, can … Read more

Where do you find stromatolites? Stromatolites, also known as stratified rocks, form in shallow water when biofilms of microorganisms, such as cyanobacteria, trap sediments. Most stromatolites grow in highly saline lakes or bays, in places such as Australia, Brazil, Mexico, and the Bahamas. Where can Quizlet stromatolites be found? Ancient stromatolite fossils (3 million years … Read more

What is the MAT position? Mating type is determined by a single locus, MAT, which in turn controls the sexual behavior of both haploid and diploid cells. Through some form of genetic recombination, the haploid yeast can switch mating type as often as each cell cycle. What is the role of the MAT locus? The … Read more

What do you mean by Neil Armstrong? Neil Alden Armstrong (-) was an American astronaut and flight engineer, and the first person to walk on the Moon. He was also a naval aviator, test pilot, and university professor. He became a naval aviator in 1949 and a naval aviator the following year. Why is Neil … Read more