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Cloning homework_S11
Cloning homework_S11

... 2. Now that you have your PCR product, you want to clone it into pBluescript (pKS). Find the ‘unique’ restriction enzyme sites in pKS, those sites where the enzyme only cuts the plasmid DNA once. A) Which RE enzyme site(s) would you try to engineer in your primers for amplifying the NOTCH gene? You ...
Epigenetics – Histone Deacetylase (HDAC) Inhibitors
Epigenetics – Histone Deacetylase (HDAC) Inhibitors

... Epigenetic mechanisms are important for temporal and tissue-specific regulation of DNA transcription in our different cell types. An example of an epigenetic modification is acetylation of the ε-amino groups of lysine residues in histone proteins. Histones are the proteins onto which our DNA is pack ...
digestion and excretion notes
digestion and excretion notes

Enzyme Webquest
Enzyme Webquest

Running Head: EFFECT OF PH ON AMYLASE ACTIVITY 1 Lab
Running Head: EFFECT OF PH ON AMYLASE ACTIVITY 1 Lab

... that occur in living organisms (Adams, 2003). They attach themselves to slots on the substrates called active sites to speed up a particular chemical reaction. There are different types of enzymes each with a particular reaction in which it catalyses. Once the reaction is complete, the enzyme de-tou ...
Isoenzymes and Other Markers
Isoenzymes and Other Markers

... (or isoenzymes) are isoforms (closely related variants) of enzymes. In many cases, they are coded for by homologous genes that have diverged over time ...
L2 - Enzyme Activity
L2 - Enzyme Activity

... Trypsin, pepsin, and chymotrypsin all cleave peptide bonds in proteins and are endopeptidases ...
Enzymes
Enzymes

Enzyme Lab - Lessons-Worksheets-and-Such
Enzyme Lab - Lessons-Worksheets-and-Such

... many normal cellular reactions. If the cells did not break down the hydrogen peroxide, they would be poisoned and die. In this lab, you will study the catalase found in liver cells, potato cells, and apple cells. We can use these enzymes to measure the relative influence of varying several different ...
Document
Document

enzyme
enzyme

DNA STRUCTURE AND FUNCTION
DNA STRUCTURE AND FUNCTION

Section A:
Section A:

Chymosin Lab
Chymosin Lab

TthPlus™ DNA Polymerase
TthPlus™ DNA Polymerase

... TthPlus™ DNA polymerase is isolated from the Thermus thermophilus strain. TthPlus™ DNA polymerase is a single 92 kDa polypeptide showing a 5'-3' exonuclease activity but lacking 3'-5' exonuclease activity. It catalyzes the polymerization of nucleotides into double-stranded DNA in the presence of MgC ...
Regulatory Strategies
Regulatory Strategies

... Regulatory Strategies What are the four ways in which enzymes ...
Section 7.1 DNA Cloning with Plasmid Vectors
Section 7.1 DNA Cloning with Plasmid Vectors

... DNA. As noted in the introduction, restriction enzymes and DNA ligases are utilized to produce such recombinant DNA molecules. Restriction enzymes are bacterial enzymes that recognize specific 4- to 8-bp sequences, called restriction sites, and then cleave both DNA strands at this site. Since these ...
AP Lab 13: Enzyme Activity
AP Lab 13: Enzyme Activity

... lowering the activation energy, the energy needed for molecules to begin reacting with each other. Enzymes do this by forming an enzyme-substrate complex that reduces energy required for the specific reaction to occur. Enzymes have specific shapes and structures that determine their functions. The e ...
Proteins
Proteins

... - all enzymes are either all protein or are protein with non-protein parts called coenzymes - coenzymes are often vitamins ...
restriction enzymes
restriction enzymes

Enzyme LG 09
Enzyme LG 09

Enzymes: Practice Questions #1
Enzymes: Practice Questions #1

... Enzymes have an optimum temperature at which they work best. Temperatures above and below this optimum will decrease enzyme activity. Which graph best illustrates the effect of temperature on enzyme activity? ...
dna ppt
dna ppt

... DNA Replication • Steps to DNA replication – 1. Chemical bonds split between base pairs, DNA is unzipped – 2. Free nucleotide bases pair up with complementary base on DNA strands. Each original strand is called a template. – 3. Sugars and phosphates bond between free nucleotides – 4. Result is 2 id ...
Biotechnology and Genetic Engineering
Biotechnology and Genetic Engineering

Enzymes - WordPress.com
Enzymes - WordPress.com

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Restriction enzyme

A restriction enzyme or restriction endonuclease is an enzyme that cuts DNA at or near specific recognition nucleotide sequences known as restriction sites. Restriction enzymes are commonly classified into three types, which differ in their structure and whether they cut their DNA substrate at their recognition site, or if the recognition and cleavage sites are separate from one another. To cut DNA, all restriction enzymes make two incisions, once through each sugar-phosphate backbone (i.e. each strand) of the DNA double helix.These enzymes are found in bacteria and archaea and provide a defense mechanism against invading viruses. Inside a prokaryote, the restriction enzymes selectively cut up foreign DNA in a process called restriction; while host DNA is protected by a modification enzyme (a methyltransferase) that modifies the prokaryotic DNA and blocks cleavage. Together, these two processes form the restriction modification system.Over 3000 restriction enzymes have been studied in detail, and more than 600 of these are available commercially. These enzymes are routinely used for DNA modification in laboratories, and are a vital tool in molecular cloning.
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