Biết A quy định thân cao, a quy định thân thấp, trội lặn hoàn toàn. Cho cây có kiểu gen lai với cây có kiểu gen thu được F1. Ở F1 loại bỏ hoàn toàn các cây thân thấp, sau đó cho cáccây F1 giao phấn ngẫu nhiên. Tỉ lệ kiểu hình cao:thấp ở F2 là

Which of the following statements regarding anfinsen's denaturing experiments with ribonuclease a (rnase a) are valid? exposing the denatured protein to air oxidation and then dialysis to remove urea restored the protein to its original functionality. removing urea by dialysis and then allowing air oxidation of the denatured protein restored the protein to its original functionality. denaturing the protein with both urea and β-mercaptoethanol yielded an inactive protein. anfinsen concluded that protein folding is determined by its primary sequence.

World class speed skaters can skate a 3,000-m course in about 4 minutes. what is their average speed for this course. a. 12.5m/s b. 1.33m/s c. 13.3m/s d. 1.25m/s

What is the period of cell life when it is conducting