m1t07

=MODULE 1.7= =I. Topic Title:=

Chemical Basis of Genes

=II. Topic Description:=

It discusses the properties and chemical nature of genes

=III. Terminal Objectives:=

1. to determine the properties of DNA as the genetic material 2. to describe the molecular structure of DNA and its chemical composition

=IV. Content Presentation:=

A. DNA as the Genetic Material By the mid-1950's, researchers realized that DNA, not protein, is the genetic material and therefore it constitutes the molecular basis of life. To know about the properties of DNA and the various experiments that showed these properties, read: Biology 9th edition by Sylvia Mader, pages 224-226.

B. The Structure of DNA When biologists were using viruses to show that DNA is the genetic material, biochemists were trying to determine the molecular structure of DNA. By understanding the structure of DNA, one would be able to comprehend how DNA stores information and funmctions in the transmission of the genetic code. To find out about its stucture, click this:[|DNA molecule]

=V. Activities:=

To visualize and appreciate the structure of DNA click this: [|DNA molecule]

=VI. References:=

1. DNA as the Genetic Material : Mader, Sylvia S. 2007. Biology. 9th ed. McGraw-Hill Companies, Inc. United States 2. The Structure of DNA : http://www.eurekascience.com/ICanDoThat/dna_structure

=VII. Assessment:=

For Self-Evaluation click this: http://school.discovery.com/quizzes35/avecabrido/module17.html

=VIII. Disclaimer and Copyright Notice= media type="custom" key="9793"

=IX. Topic Writer:= = = avelindacabrido@gmail.com

X. Document History:
Version 1.0 - Date: Revision 1.0 -Date: