Two NotI restriction enzymes cleave DNA on opposite sides of the Dbm gene in a species of yeast. A molecular probe for Dbm detects a DNA restriction fragment of 8.5 kb in organisms that are wild type at Dbm. In a strain of yeast, a Ty1 transposable genetic element mutates […]

1. If species 1 and 2 are competing for the same food, and if species 1 eats twice as much food as species 2, what is a? 2. Given K1 = 100, a = _, K2 = 300, and _ = 1: a. Draw the isoclines for both species on […]

1) Why is biodiversity important?  Discuss the ways in which the value may be assigned to biodiversity. Based on your readings, describe the pros and cons of assigning value to biodiversity based on the following considerations: economics, biological value, and ecological value.  What other ways can value be assigned to […]

1. Describe the details of DNA replication. Be sure to name all the proteins that contribute to this process. 2. Explain how DNA is proofread and repaired, if possible, when damaged or incorrectly copied. 3. Describe in detail the hierarchy of organization in chromatin packing in a eukaryotic chromosome. 4. […]