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Based on your knowledge of ocean chemistry, predict the feeding mode and size of organisms found in the middle layers of the ocean, and select the best explanation. Non-photosynthetic because very little light is available; small because there are so few nutrients Photosynthetic because light is available; large in order to eat other […]

Q1. In the 1980’s it was the slogan, “Reduce, Reuse and Recycle” and now it is “Go Green.” Consider the Reusable Grocery Bags sold in markets everywhere. What are the pros and cons that you see in this latest trend? Give examples of potential environmental impact. Give at least two […]

Q. A number of cell-cycle mutations including wee1ts have been isolated in the fission yeast S. pombe. Cells carrying wee1ts mutation grow generally at the permissive temperature. Though, at the restrictive temperature, the minimum size required to enter mitosis is decreased greatly; as a result, diminutive daughter cells are produced. […]

a. Two arrestin genes (? -arrestin 1 and 2) have been characterized and are expressed ubiquitously. Over the past several years, the development of knockout mice in which the genes for ?-arrestin 1 and 2 have been inactivated have greatly aided the study of the physiological and cellular roles of […]