Question 261. After centrifugation when sublimate settles, clear liquid _____________

Question 262. Fine insoluble solid particles can be removed through which of the following process?

Question 263. Which of the following is an effective way of purifying liquids containing suspensions?

Question 264. Process quicker than filtration but not so effective is __________

Question 265. After centrifugation, sublimate ______

Question 266. Differential centrifugation relies on the differences in ______ of biological particles of different ___________

Question 267. After centrifugation of milk, the supernatant is?

Question 268. Which of the following statements about the basic principle of sedimentation is False?

Question 269. Which of the following is/are the application of analytical centrifugation?
I. The determination of the purity of macromolecules.
II. The determination of the relative molecular masses of solutes in their native state.
III. The examination of changes in the molecular mass of supramolecular complexes.
IV. The detection of conformational changes.

Question 270. Which of the following is/are appropriate care and maintenance of centrifuges?
I. Proper balancing of centrifuge tubes.
II. Avoid long time exposure of the rotors to alkaline solution and acidic buffers.
III. Cleaning centrifuges and rotors with coarse brushes and then wash them with distilled or de-ionized water after every run.
IV. For overnight storage, the rotors are left upside down and then positioned in a safe and dry place.