CBNS 106 Lecture Notes - Lecture 1: Dnainfo.Com, Deoxyribose, Lincoln Near-Earth Asteroid Research
13 Mar 2020
School
Department
Course
Professor
Document Summary
Chapter 1 cells & genomes: heredity = this is a phenomenon that is central to the definition of life. Code (dna: all living cells on earth store their info as dna. Entirely codes genetic information: this information can be copied, duplicated and stored. For example: a piece of human cell dna can be inserted into a bacterial. Dna strand: all cells replicate their hereditary information by templated. Polymerization: life depends on the dna molecule, each monomer is a dna strand: Sugar (deoxyribose) + a phosphate group + a, g, t, or c. Sugar is linked to the next phosphate group. A polymer chain is composed of the repetitive sequences. Same rna: dna must copy itself as well as express its information, this is done via rnas and proteins, transcription & translation are the complex processes that take place. Transcription: segments of dna sequence are used as templates for the synthesis of shorter molecules related to rna.
