Chapter 5- Genetics and DNA Replication
Chapter 5- Genetics and DNA Replication Bio 160 Sec 5-7
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This 14 page Bundle was uploaded by Maria Vann on Wednesday February 17, 2016. The Bundle belongs to Bio 160 Sec 5-7 at University of Wisconsin - Stevens Point taught by Dr. Bill Konieczki in Spring 2016. Since its upload, it has received 28 views. For similar materials see Animal Biology in Biology at University of Wisconsin - Stevens Point.
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Date Created: 02/17/16
2,600 people celebrating DNA Delse is just details !! Short Answer, Lecture Exam #1 - 4 pts • Compare and contrast one of the following; • Facilitated Diffusion vs Active Transport (sodium- potassium pump) • Aerobic (Cellular) Respiration vs Anaerobic Respiration (Fermentation) • Glycolysis vs Krebs Cycle • Transcription vs Translation Example: Exocytosis vs Endocytosis • Both move materials in or out of the cell when a vacuole or vesicle temporarily becomes part of the cell membrane • Exocytosis moves materials out of the cell • Endocytosis moves materials into the cell 3 out of 4 Chapter 5 Genetics: A Review DNA and RNA; pages 85 -97 Proteins – Large, complex molecules that are necessary for life as we know it (long chains of amino acids) a) all solid parts of cell, (cell membrane, nucleus and organelles) are built of protein b) enzymes are proteins – control all chemical reactions in a cell c) hormones , and antibodies are also proteins Proteins often represented by ‘ribbon’ models Production of proteins controlled by: chromosomes in nucleus Chromosomes constructed of: a) protein b) nucleic acid 1. DNA 2. RNA Structure of nucleic acid: 3 parts – 1. Sugar molecules 2. Phosphate molecules 3. Nitrogenous bases adenine (A) guanine (G) thymine (T) cytosine (C) uracil (U) *The arrangement of these N-bases in the chromosome is a set of directions for all the characteristics of that cell or Two Kinds of Nucleic Acid: DNA – Deoxyribonucleic acid (deoxyribose sugar molecule) Double Helix structure RNA – Ribonucleic acid (ribose sugar molecule) Single Helix structure Nucleotide – small part of DNA or RNA molecule Phosphate Sugar Chemical Bonds (Covalent) Hydrogen Bond Bases Human DNA: add 3 billion more nucleotides Note: in structure oDNA , Adenine and Thymine always together* Cytosine and Guanine always together *in structure of RNA, Uracil is substituted for Thymine 5’ 3’ U G 5’ 5’ 5 2 33’ 1 4 1 O 3 2 Triplet codon; series of 3 nucleotides in DNA or mRNA 5’ 3’ 5 2 3 1 4 1 O 3 2
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