Comparison chart DNA RNA Stands for: DeoxyriboNucleicAcid RiboNucleicAcid Definition: A nucleic acid that contains the genetic instructions used in the development and functioning of all modern living organisms (scientists believe that RNA may have been the main genetic material in primitive life forms). A single-stranded chain of alternating phosphate and ribose units with the bases Adenine‚ Guanine‚ Cytosine‚ and Uracil bonded to the ribose. RNA molecules are involved in protein synthesis
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Quantifying the COX1 Gene within the Mitochondrial DNA of a Potato Introduction Respiration is a very important process for every living organism. While it is typically thought of as breathing in oxygen‚ and exhaling carbon dioxide‚ like all things‚ it must take place at the cellular level. The electron transport chain is responsible for cellular respiration. The process uses four complexes; the fourth is cytochrome c oxidase. Cytochrome C oxidase is responsible for the reduction of oxygen to water
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the permeability of cell membranes Introduction For my coursework‚ I intend to assess how temperature affects the plasma membrane of a cell. For this I will use the cell of a beetroot. Background What is a cell membrane? The cell membrane‚ also called the plasma membrane is a semipermeable lipid bilayer which is the surface of all cells that surrounds the cytoplasm. The membrane is called a bilayer as it has a double layer of phospholipids. Within the cell membrane there are many biological
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technology have made the use of DNA in forensic science possible. In the past twenty years specifically‚ there have been many extraordinary discoveries in the fields of science that have led to the advancement of procedures in forensics. Before DNA testing‚ the most accurate way of identifying people was to match the blood types of suspects with blood found at the scene of the crime. Considering the lack of variability of this procedure‚ it is no surprise just how important the use of DNA in forensics
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DNA STRUCTURE AND FUNCTION QUIZ Provide answers to each of the following. You may consult your text and fellow students. Each numbered item counts 2 points. 1. If one strand of a DNA double helix has the sequence GTCCAT‚ what is the sequence of the other strand? a. ACTTGC b. CUGGTU c. CAGGTA d. CAGGUA e. TGAACG 2. If a strand of DNA has the sequence AAGCTC‚ transcription will result in a(n) ______. a. single DNA strand with the sequence TTCGAG
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Chemistry Experiment Double Indicator Titration 1 Aim The purpose of this experiment is to find the composition of a sample of sodium carbonate mixture by titration. Introduction The reaction between sodium carbonate and hydrochloric acid occurs in 2 stages‚ with the formation of hydrogen carbonate ion as the intermediate product. Na2CO3(aq) + HCl [pic] NaHCO3(aq) + NaCl(aq) NaHCO3(aq) + HCl(aq) [pic] NaCl(aq) + H2O(l) + CO2(g) [pic] Requirements Hydrochloric
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WHAT IS RECOMBINANT DNA So what is rDNA? It stands for Recombinant DNA. Before we get to the “r” part we need to understand DNA. DNA is the keeper of all the information needed to recreate an organism. All DNA is made up of a base consisting of sugar‚ phosphate and one nitrogen base. There are four nitrogen bases‚ adenine (A)‚ thymine (T)‚ guanine (G)‚ and cytosine (C).The nitrogen bases are found in pairs‚ with A & T and G & C paired together. The sequence of the nitrogen bases can be
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Deoxyribonucleic Acid (DNA) DNA stands for deoxyribonucleic acid‚ it is located in the nuclei of cells which make up the body. DNA is quite often referred to as one of the building blocks of the body.. It is made up of four bases known as: • Adenine • Guanine • Cytosine • Thymine James Watson‚ Francis Crick‚ Maurice Wilkins‚ Rosalind Franklin Crick and Watson‚ together with Maurice Wilkins‚ won the 1962 Nobel Prize in physiology or medicine for their 1953 determination of the structure of
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MOVEMENT ACROSS MEMBRANES Intracellular fluid Extracellular fluid Pond water Blood plasma K+ A- ClNa+ Cl+ K+ Na+ Cl- Na+ Na+ Gill epithelial cell Intestinal epithelial cells Cl- Cell membrane Anionic proteins (a) Ion concentration inside a single animal cell (b) Ion concentration across gill epithelium of a freshwater fish Blood capillary Intestinal lumen Glucose from meal Cross section of small intestine (c) Glucose transport across intestinal epithelium into
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Chapter 26 – IRS Circular 230 Lecture Notes I. Conflicts of Interest – Circular 230 §10.9(a) – Circular 230 models it’s ethical standards on those contained in the ABA Rules of Professional Conduct and the AICPA Code of Professional Conduct. a. General Rule is contained in Circular 230 §10.9(a) which provides that: a CPA may not represent a client before IRS if the representation involves a conflict of interest. b. Conflict of Interest occurs when: i. Representing one client would be adverse to
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