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Gene Finding in Viral Genomes
Gene Finding in Viral Genomes

... and if the previous nucleotide were in this state then it is possible that the nucleotide under consideration could describe the first position in a codon in reading frame 2. This is described as State 3 and so there is a defined probability of transitioning to this State 3 from State 1 (there is al ...
REVISION QUESTIONS
REVISION QUESTIONS

... 1.11.1 How many members of the family have free earlobes? 1.11.2 What proportion of offspring in the fourth generation are females with attached earlobes? 1.11.3 If the genotype of person A is FF, what will be the genotype of person B? 1.11.4 Give a reason for your answer to QUESTION 1.11.3. 1.11.5 ...
Mark Scheme
Mark Scheme

... candidates’ responses to questions and that every examiner understands and applies it in the same correct way. As preparation for standardisation each examiner analyses a number of candidates’ scripts: alternative answers not already covered by the mark scheme are discussed and legislated for. If, a ...
12–3 RNA and Protein Synthesis
12–3 RNA and Protein Synthesis

... The process of using mRNA’s copy of DNA’s code to make all necessary proteins. Takes place where? -at the ribosomes Slide 20 of 39 Copyright Pearson Prentice Hall ...
Super bowl Activity How will Hemoglobin Affect the Winner of this
Super bowl Activity How will Hemoglobin Affect the Winner of this

... ___________, but are also _____________________(protected from or susceptible to) malaria. Jameson is _________________ for the hemoglobin normal allele, so he has sickle cell ________ ___________, but he is _______________________(protected from or susceptible to) malaria. Their other child, Rayna, ...
Biomolecules Discussion
Biomolecules Discussion

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A Search for Genes Encoding Histidine
A Search for Genes Encoding Histidine

... The phylum Actinobacteria includes agents of socially important diseases (tuberculosis, paratuberculosis, leprosy, diphtheria, etc.), plant pathogens, producers of antibiotics, components of the normal human intestinal microflora, and free-living species suitable for sewage treatment including radia ...
dna-and-protein-synthesis-blog-post
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... instructions on how to build proteins. The monomers of nucleic acids are nucleotides, and a single DNA molecule contains approximately 85 million nucleotides. The nucleotides of DNA are composed of a deoxyribose sugar bonded to a phosphate group as well as a nitrogenous base. For DNA, there are two ...
DNA intro website questions
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... -Objective: Use the website www.johnkyrk.com to explorer DNA/ RNA (Replication, Transcription, and Translation) -Follow these steps in order to complete this lab. -Go to the website www.johnkyrk.com . Visit the following sub titles to answer the following questions. (Amino Acids and Proteins) 1. Wha ...
Sickle Cell Workshop
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Ch. 8 Power Point
Ch. 8 Power Point

... – Messenger RNA (mRNA) carries the message that will be translated to form a protein. – Ribosomal RNA (rRNA) forms part of ribosomes where proteins are made. – Transfer RNA (tRNA) brings amino acids from the cytoplasm to a ribosome. ...
Phenylketonuria (PKU)
Phenylketonuria (PKU)

... PKU is an autosomal recessive trait Both parents must be carriers of the trait for the child to show symptoms If both parents are carriers, the child has a 25% chance of having the disease ...
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Slide 1

... Introns – these intervening (non-coding) sequences must be cut out Exons – Coding sequences that encode for a specific protein No clear understanding why introns must be removed Only the mature (“edited”) mRNA moves to the cytoplasm ...
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... Background Information: Khoisan: Khoisan is the name by which the lighter skinned indigenous peoples of southern Africa, the Khoi (Hottentots) and the San (Bushmen) are known. These people were the earliest inhabitants of Africa and dominated the sub-continent for millennia before the appearance of ...
DNA Lesson 2 Guide
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... 2. Build the DNA on top of the gene strip. Check that your nucleotides match the strip exactly. The bottom strand of DNA is the gene. 3. Notice the DNA nucleotides on the bottom of your gene strip are marked in groups of 3 with dark gray boxes. A group of 3 nucleotides is called a codon. ...
Assignment 2 with Key
Assignment 2 with Key

... 1. Explain how and why the absorbance at 260 nm (A 260 ) can be used to determine if a double helix forms from 2 single strands of DNA or RNA. Ans. When two strands of DNA anneal to form a double helix, their absorbance at 260 nm decreases relative to the sum of A 260 of the individual strands. This ...
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... although stable at room temperature for 3 weeks, should be stored desiccated below -18°C. Upon reconstitution Leukemia Inhibitory Factor (LIF) should be stored at 4°C between 2-7 days and for future use below -18°C.For long term storage it is recommended to add a carrier protein (0.1% HSA or BSA).Pl ...
Thanksgiving Extra Credit Assignment
Thanksgiving Extra Credit Assignment

... 78. Proteins are synthesized (made) at what organelle in the cytosol? 79. Sketch and label a tRNA molecule & tell its function. 80. Define translation & tell how it starts. 81. Where are amino acids found in a cell & how are they transported? 82. What is an anticodon & where is it found on tRNA? 83. ...
E. coli
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... During transcription, the 5' end of the RNA becomes available for ribosomal binding and undergoes translation while its 3' end is still being transcribed. This early binding of ribosomes to the RNA maintains transcript stability and promotes efficient translation. This bacterial translation system g ...
pH Properties of Buffer Solutions
pH Properties of Buffer Solutions

... Alignment with AP Chemistry Curriculum Framework—Big Ideas 3 and 6 Enduring Understandings and Essential Knowledge  hemical changes are represented by a balanced chemical equation that identifies the ratios with which reactants react and C products form. (Enduring Understanding 3A) 3A2: Quantitati ...
Learning Objectives for Final Exam , BIO105 Learning Objectives for
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... - In their own words, briefly explain how information flows from gene to protein. - Describe where transcription and translation occur in prokaryotes and in eukaryotes; explain why it is significant that in eukaryotes, transcription and translation are separated in space and time. - Define codon, an ...
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... recipe. Or try our mouthwatering soy milk created just for Soy lovers by the wonderful natural food . ...
Positive Darwinian Selection
Positive Darwinian Selection

... 3,595 groups of homologous sequences In 17 gene groups, the ratio of nonsynonymous to synonymous substitution was significantly larger than 1. Endo T, Ikeo K, Gojobori T. 1996. Large-scale search for genes on which positive selection may operate. Mol. ...
Nucleic acids
Nucleic acids

... - they have two subunits, a large one and a small one • Messenger RNA carries the genetic code to the ribosomes - they are strands of RNA that are complementary to the DNA of the gene for the protein to be synthesized ...
Chapter 4: DNA, RNA, and the Flow of Genetic Information
Chapter 4: DNA, RNA, and the Flow of Genetic Information

... 1. Messenger RNA (mRNA) is the template for protein synthesis. mRNA is heterogeneous in size. (average 1.2 kb in prokaryotes) mRNA has structural features, such as stem-loop structures, that regulate the efficiency of translation and lifetime of the mRNA in eukaryotes 2. Transfer RNA (tRNA) carries ...
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Expanded genetic code



An expanded genetic code is an artificially modified genetic code in which one or more specific codons have been re-allocated to encode an amino acid that is not among the 22 encoded proteinogenic amino acids.The key prerequisites to expand the genetic code are: the non-standard amino acid to encode, an unused codon to adopt, a tRNA that recognises this codon, and a tRNA synthase that recognises only that tRNA and only the non-standard amino acid.Expanding the genetic code is an area of research of synthetic biology, an applied biological discipline whose goal is to engineer living systems for useful purposes. The genetic code expansion enriches the repertoire of useful tools available to science.
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