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Gel Electrophoresis
Gel Electrophoresis

... There was a time when to amplify DNA, You had to grow tons and tons of tiny cells. Then along came a guy named Dr. Kary Mullis, Said you can amplify in vitro just as well. Just mix your template with a buffer and some primers, Nucleotides and polymerases, too. Denaturing, annealing, and extending. W ...
Biofuel phyto-forensics case resolved through PCR
Biofuel phyto-forensics case resolved through PCR

... Bonan Fuji (BF) and Terri Fernandes (TF) are farmers who grow their crops in almost neighbouring fields. BF, who is college educated and believes in environment protection uses innovative plant breeding methods to address fuel problems through agriculture. He planted a non-sweet sorghum that contain ...
Mutations
Mutations

7.3 Protein Synthesis
7.3 Protein Synthesis

... – Read from the mRNA – 64 different possible combinations exist • Only 20 amino acids commonly exist in the human body – Some codons code for the same amino acids (degenerate or redundant) • Sequence of codons determines the sequence of the ...
Slide 1
Slide 1

... Triplet: 3 nucleotides = 1 amino acid (This allows for 64 possible codons) ...
Protein Synthesis 2013
Protein Synthesis 2013

... – Read from the mRNA – 64 different possible combinations exist • Only 20 amino acids commonly exist in the human body – Some codons code for the same amino acids (degenerate or redundant) • Sequence of codons determines the sequence of the ...
Eukaryotic gene control
Eukaryotic gene control

... conditions while facing changing external conditions ...
MCDB 1041 3/15/13 Working with DNA and Biotechnology Part I
MCDB 1041 3/15/13 Working with DNA and Biotechnology Part I

... In  making  transgenic  plants,  it  is  relatively  easy  to  get  the  recombinant  piece  of  DNA  into  the  plant.    The   plasmid  containing  the  recombinant  DNA  is  incorporated  into  the  genome  of  a  bacterium  called ...
How many nucleotides are in 12 mRNA codons?
How many nucleotides are in 12 mRNA codons?

... A particular DNA sequence reads TCGAGGTCACCG. A mutation occurs in which the first "A" in the sequence is deleted. What will happen to the protein produced? A ...
Test Review Chapter 3 & 4
Test Review Chapter 3 & 4

... A. chromosomes line up in the center of the cell. B. Cytokinesis takes place. C. A cell completes one entire cell cycle. A D. The cell nucleus makes two copies of DNA ...
Ch19EukaryoticGeneControl - Environmental
Ch19EukaryoticGeneControl - Environmental

... One gene of an insertion sequence codes for transposase, which catalyzes the transposon’s movement. The inverted repeats, about 20 to 40 nucleotide pairs long, are backward, upside-down versions of each oth. In transposition, transposase molecules bind to the inverted repeats & catalyze the cutting ...
Data management
Data management

... 1675 Leeuwehoek discovered protozoa and bacteria 1855 Escherichia coli bacterium is discovered (major research and production tool for biotechnology 1879 Flemming discovered chromatin, rod-like structures in cell nucleus, later called ‘chromosomes’ 1942 The electron microscope is used to identify an ...
Central Dogma of Molecular Biology
Central Dogma of Molecular Biology

... control your characteristics? DNA contains instructions for all the proteins your body makes. Proteins, in turn, determine the structure and function of all your cells. What determines a protein’s structure? It begins with the sequence of amino acids that make up the protein. Instructions for making ...
Chapter 21
Chapter 21

... into human cells to treat a disorder – Ex vivo therapy – cells are removed for a person altered and then returned to the patient – In vivo therapy – a gene is directly inserted into an individual through a vector (e.g. viruses) or directly injected to replace mutated genes or to restore normal contr ...
ExamView - Final Exam.tst
ExamView - Final Exam.tst

... 14. Why is it possible for an amino acid to be specified by more than one kind of codon? A. Some codons do not specify an amino acid. B. There are 64 different kinds of codons but only 20 amino acids. C. Some codons have the same sequence of nucleotides. D. The codon AUG codes for the amino acid met ...
Document
Document

... cytoplasm. – Gene information can be amplified by having many copies of an RNA made from one copy of DNA. – Regulation of gene expression can be effected by having specific controls at each element of the pathway between DNA and proteins. – The more elements there are in the pathway, the more opport ...
Chapter 18 - Madeira City Schools
Chapter 18 - Madeira City Schools

... a. RNA polymerase can not bond when DNA is packed (heterochrome region) b. Example: “X chromosome inactivation”  One of the two X chromosomes in each cell is inactivated at random  A female that is heterozygous for genes on the X chromosome, has cells that express different alleles. 2. Histone Mod ...
Gene7-16
Gene7-16

... Alu family is a set of dispersed, related sequences, each ~300 bp long, in the human genome. The individual members have Alu cleavage sites at each end (hence the name). Processed pseudogene is an inactive gene copy that lacks introns, contrasted with the interrupted structure of the active gene. Su ...
AP Bio 11 Biotechnology - STaRT
AP Bio 11 Biotechnology - STaRT

... Gel Electrophoresis and Southern Blotting • One indirect method of rapidly analyzing and comparing genomes is gel electrophoresis • This technique uses a gel as a molecular sieve to separate nucleic acids or proteins by size, electrical charge, and other properties • A current is applied that cause ...
Chapter 13
Chapter 13

... - contains “codons” that code for individual amino acids 2. Ribosomal RNA (rRNA) - a component of the ribosome 3. Transfer RNA (tRNA) - “Transfers” the info on the mRNA to an amino acid sequence (protein). - contains “anticodons” that complement the codons on mRNA. ...
GENES, GENOMES, AND CODES
GENES, GENOMES, AND CODES

... information is encoded in the double helix. The concept of code figures crucially in both. In the first, the meaning of code (or encode) is quite clear. It derives from telegraphy and cryptography and is in fact the first definition given by the dictionary: to encode is «to translate into cipher or ...
Practical Guide: Selecting the Optimal Resins for Removal of DNA
Practical Guide: Selecting the Optimal Resins for Removal of DNA

... purification steps such as anion exchange chromatography. In addition, contamination with cellular DNA creates a therapeutic risk. Regulatory authorities require that DNA levels in all therapeutic protein and antibody samples be reduced to 10–100 pg/dose. Cell culture clarification processes, such a ...
Molecular Biology Primer Part 2 ()
Molecular Biology Primer Part 2 ()

... Electrons and protons are electrically attracted to each other. Almost all of the mass of an atom is in its nucleus; almost all of the volume of an atom is occupied by electrons. The number of protons (also known as its atomic number) determines the element. Varying the number of neutrons results in ...
DNA and protein synthesis
DNA and protein synthesis

... structures (Fig 7.3.3) they form much longer links if paired together than the two single ringed pyrimidines, cytosine and thymine. Only by pairing one purine with one pyrimidine can a consistent separation of three rings’ width be achieved. In effect, the structure is like a ladder where the deoxyr ...
Advances in Genetics
Advances in Genetics

... ▫ Corn – many kernels x insect resistant ▫ Labradoodle ...
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Cre-Lox recombination



In the field of genetics, Cre-Lox recombination is known as a site-specific recombinase technology, and is widely used to carry out deletions, insertions, translocations and inversions at specific sites in the DNA of cells. It allows the DNA modification to be targeted to a specific cell type or be triggered by a specific external stimulus. It is implemented both in eukaryotic and prokaryotic systems.The system consists of a single enzyme, Cre recombinase, that recombines a pair of short target sequences called the Lox sequences. This system can be implemented without inserting any extra supporting proteins or sequences. The Cre enzyme and the original Lox site called the LoxP sequence are derived from bacteriophage P1.Placing Lox sequences appropriately allows genes to be activated, repressed, or exchanged for other genes. At a DNA level many types of manipulations can be carried out. The activity of the Cre enzyme can be controlled so that it is expressed in a particular cell type or triggered by an external stimulus like a chemical signal or a heat shock. These targeted DNA changes are useful in cell lineage tracing and when mutants are lethal if expressed globally.The Cre-Lox system is very similar in action and in usage to the FLP-FRT recombination system.
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