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Jun 23 2009, 5:09 PM EDT
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Change: Moved by Jun 23 2009, 5:09 PM EDT
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Jun 23 2009, 5:09 PM EDT
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Change: Renamed from Chapter 9 by Jun 23 2009, 5:09 PM EDT for: Rename
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Apr 29 2009, 12:43 AM EDT
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Change: a sequence of bases in DNA that codes for a protein.Exon: a sequence of bases in DNA that codes for a protein.Replicon: the circular bacterial DNA molecule replicates by means of a special configuration.Transcription: the formation of mRNA using DNA as a template.Translation
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Apr 29 2009, 12:39 AM EDT
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Change: a section of DNA within a gene that doesn't actually code for anything.Replicon: the circular bacterial DNA molecule replicates by means of a special configuration.Transcription: the formation of mRNA using DNA as a template.Translation: the synthesis of proteins using mRNA as a template.Transduction
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Apr 29 2009, 12:38 AM EDT
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Change: : the transfer of genetic material from one microorganism to another by a viral agent (as a bacteriophage).RNA is encoded like DNA, but its general structure is different in several ways. Messenger RNA (mRNA): a copy of a structural gene
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Apr 23 2009, 12:04 PM EDT
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Change: they can create a faulty, non functional, (or less functional) protein, they produce a protein which functions in a different manner or cause no significant alteraltion in protein function.2. Nonsense mutations: a mutation that changes an amino acid-producing codon
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Apr 19 2009, 11:24 AM EDT
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Change: hydrogenshydrogen's and an OH group. Deoxyribose differs from ribose in that it lacks an oxygen at carbon 2 (labelled) - and so has only 2 hydrogen atoms (white). Q: What term is defined as a certain segment of DNA
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Apr 3 2009, 5:42 PM EDT
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Change: You can learn a lot from a class of 8th-graders! Check out their wiki site on human genetic diseases!Mutations are permanent changes in the genome of a microbe. They may be spontaneous or induced.Point mutations entail a change in one or
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Apr 3 2009, 5:41 PM EDT
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Change: organismorganism.Cell Level: examines the heredity of the cellcell.Chromosome Level: examines the characteristics and actions of chromosomeschromosomes.Molecular Level: deals with the biochemistry of the genesgenes.Genome: the sum total of genetic material of a cellcell.Gene: Fundamental
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Apr 3 2009, 5:37 PM EDT
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Change: structure and main component of DNA. A gene in a bacteria contains several million nucleotides linked end to end. Nucleotides are composed of a phosphate, a deoxyribose sugar,
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Apr 3 2009, 5:30 PM EDT
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Change: Notice the 5 carbon atoms (grey) forming the backbone of the molecule, and the oxygen atom (red) in the ring - which is a 5 sided ring, unlike glucose. The hydrogen atoms (white) are either attached directly to the carbons, or via oxygen as OH groups - at an angle.
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Mar 23 2009, 6:06 PM EDT
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Change: DnaDNA sequence results in a different amino acid being incorporated into a protein, with varying results. ie: Sickle Cell Anemia2. Nonsense mutations: a mutation that changes an amino acid-producing codon into a stop codon, leading to premature termination of a protein. ie: Cystic Fibrosis3. Silent mutations
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Mar 11 2009, 9:52 AM EDT
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Change: deosyribosedeoxyribose sugar, and a nitrogenous base. Nucleotides covalently bond to form a sugar-phosphate linkage that is the backbone of each strand. Each sugar attaches in a repetitive pattern to two phosphates. The nitrogenous bases, purines and pyrimidiens, attach by covalent bonds at the 1' position of the sugar. Replicon
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Jan 30 2009, 12:22 AM EST
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Change: Q: What enzyme is responisible for coiling the chromosome into a tight bundle by introducing a reversible series of twists into the DNA molecule? a. DNA Gyrase b. Helicase c. PrimaseA: DNA GyraseTypes of Ribonucleic Acid RNA Type Contains Codes For Function in Cell Translated Messenger (mRNA)
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Jan 19 2009, 7:56 PM EST
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Change: Page~~Home Page~~Top of Page QUESTIONS1. ________ is the study of the inheritance, or heredity, of living things. a. DNA Codeb. Repliconc. Geneticsd. Translation2. ______ is the sum total of genetic material of a cell. a. Chromosomeb. Cell Levelc.
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Jan 19 2009, 7:41 PM EST
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Change: Top of Page QUESTIONS1. ________ is the study of the inheritance, or heredity, of living things. a. DNA Codeb. Repliconc. Geneticsd. Translation2. ______ is the sum total of genetic material of a cell. a. Chromosomeb. Cell Levelc. DNA Coded. Genome3.
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May 29 2008, 7:43 PM EDT
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Change: You can learn a lot from a class of 8th-graders! Check out their wiki site on human genetic diseases!Mutations are permanent changes in the genome of a microbe. They may be spontaneous or induced.Point mutations entail a change in one or
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Apr 14 2008, 5:43 PM EDT
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Change: sugur,sugar, and a nitrogenous base. Nucleotides covalently bond to form a sugar-phosphate linkage that is the backbone of each strand. Each sugar attaches in a repetitive pattern to two phosphates. The nitrogenous bases, purines and pyrimidiens, attach by covalent bonds at the 1' position of the sugar. Replicon:
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Mar 4 2008, 3:56 PM EST
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Change: mutations:mutations: a mutation in which a change in the Dna sequence results in a diferent amino acid being incorporated into a protein, with varying results. ie: Sickle Cell Anemia2. Nonsense mutations:mutations: a mutation that changes an amino acid-producing
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Feb 28 2008, 6:15 PM EST
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Change: What is the difference between transcription and translation? What structures are involved in translation? What is the role of tRNA? What is an operon? What is meant by "promoter," "operator," "regulator," and "structural genes?"What about a repressor? In what ways could an antibiotic target bacterial transcription or translation? In
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