DNA – RNA Notes The sugar in DNA is called deoxyribose. The sugar in RNA is called ribose. -RNA is a single strand of nucleotides. DNA is made of two strands of nucleotides. -DNA is a double helix with hydrogen bonds linking the nitrogen bases. RNA is a linear strand with no hydrogen bonds. -The bases of DNA are: Adenine‚ Thymine‚ Cytosine‚ and Guanine. The bases of RNA are: Adenine‚ Uracil‚ Cytosine‚ and Guanine. -RNA does not have Thymine‚ and DNA does not have Uracil. -In DNA
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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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Biology‚ 7e (Campbell) Chapter 16: The Molecular Basis of Inheritance Chapter Questions 1) For a couple of decades‚ biologists knew the nucleus contained DNA and proteins. The prevailing opinion was that the genetic material was proteins‚ and not DNA. The reason for this belief was that proteins are more complex than DNA. This is because A) proteins have a greater variety of three-dimensional forms than does DNA. B) proteins have two different levels of structural organization; DNA has
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and the RNA World Learning Objectives: Students should be able to... • Sketch a nucleotide‚ label its three basic parts‚ and identify the 2’‚ 3’‚ and 5’ carbons. • Make another sketch showing the primary and secondary structures of DNA. • Describe the primary‚ secondary‚ tertiary‚ and quaternary structures of RNA‚ and explain in what ways RNA differs from DNA. • Explain why and how the secondary structure of DNA allows organisms to store and copy information. • Explain why RNA‚ and not
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is that RNA uses uracil instead of the thymine in DNA. DNA replicates itself and RNA is synthesized from RNA on an as-needed basis. Their stability and reaction is also different. DNA is more stable and less reactive than RNA because of the deoxyribose sugar’s C-H bonds. It is stable in alkaline conditions; DNA has smaller grooves‚ which makes it harder for enzymes to “attack.” RNA is more reactive because of the ribose sugar’s C-OH‚ hydroxyl‚ bonds. Unlike DNA‚ it is not stable in alkaline conditions
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Hensen’s Node used as the RNA source? Hensen’s node is the neural organizer in amniotes which signals the primitive streak‚ the site of invagination during blastulation. Grafting of Hensen’s node to the anterolateral region generates a patterned nervous system (Stern‚ 2005). RNA from Hensen’s node was used because Hensen’s node is the site of neural induction and as such‚ proteins encoded by expressed transcripts in this region should be implicated in induction and gastrulation. RNA was used to generate
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Name Class Date RNA and Protein Synthesis Information and Heredity Q: How does information flow from DNA to RNA to direct the synthesis of proteins? WHAT I KNOW 13.1 What is RNA? 13.2 How do cells make proteins? 13.3 What happens when a cell’s DNA changes? 13.4 How do cells regulate gene expression? WHAT I LEARNED SAMPLE ANSWER: RNA is a nucleic acid that carries coded genetic information. SAMPLE ANSWER: SAMPLE ANSWER: The bases in DNA—A‚ T‚ G‚ and C—form a four-letter “alphabet” that
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Proteins are very helpful to you as you can see. Last but not least are nucleic acids. They consist of DNA‚ RNA‚ ATP etcetera. A difference between DNA and RNA is that DNA is double stranded and RNA is single stranded. The monomer of it is nucleotides. The structure is made up of sugar‚ phosphate group and a nitrogen Functions include the DNA containing all of your hereditary information and RNA uses your DNA to make proteins. This
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catalytic RNA – which was instrumental for the RNA World Hypothesis ("Sidney Altman: The RNA World"). This hypothesis stated that early life started with RNA as they possess the ability to serve as a catalyst as well as contain genetic information. The RNA was able to spontaneously form under natural processes‚ which eventually replicated into all sorts of life. This paper will analyze the theoretical and experimental support for this hypothesis and comment on the plausibility of the RNA World Hypothesis
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Chapter 16 Extra Problem Prepare the necessary entries from 1/1/14-2/1/16 for the following events using the fair value method. If no entry is needed‚ write "No Entry Necessary." 1. On 1/1/14‚ the stockholders adopted a stock option plan for top executives whereby each might receive rights to purchase up to 18‚000 shares of common stock at $40 per share. The par value is $10 per share. 2. On 2/1/14‚ options were granted to each of five executives to purchase 18‚000 shares. The options were non-transferable
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