Homework 6_ - BIOL 1408 Fall 2016 Dr Basham Homework 6 DNA...

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BIOL 1408 Fall 2016 Homework 6: DNA Structure and Gene Function Due: 20 October 2016 Dr. Basham Name : LaQuana Jackson Directions: Please complete this homework assignment while reading Chapter 7: DNA Structure and Gene Function (pgs 121 -141) in your textbook (Biology: Concepts and Investigations 3rd Ed , by M. Hoefnagels). 1. How did scientists determine that DNA and not Protein was the genetic material of cells?(2 pts) Hershey and Chase used radioactive isotopes to distinguish a bacteriophages protein coat from its DNA. They showed that the virus transfers DNA (not Protein) to the bacterium, and this viral DNA causes bacterial cells to produce viruses. 2. How does "translation" differ from "transcription?" (2 pts) Transcription: a cell copies a gene’s DNA sequence to a complementary RNA molecule Translation: information in RNA is used to manufacture a protein by joining a specific sequence of amino acids into a polypeptide chain. It is like baking a cake, transcription would be like copying the recipe down on a piece of paper. Then translation would be me gathering ingredients, mixing them up, and putting
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