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Dr.AMINA EL –SHAIBANY

Dr.AMINA EL –SHAIBANY

Dr.AMINA EL –SHAIBANY. RESTRICTION ENZYMES. Restriction enzymes: enzymes that cut DNA in specific places function: Inactivate foreign DNA Breaks only palindrome sequences, i.e. those exhibiting two-fold symmetry Important in DNA research, i.e. sequencing, hybridization

By tracy
(148 views)


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Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. Restriction Endonucleases. Also called restriction enzymes 1962: “molecular scissors” discovered in in bacteria E. coli bacteria have an enzymatic immune system that recognizes and destroys foreign DNA

By liseli (182 views)

Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. Presented by: Elizabeth Gordon April 11,2006. Function. (From Tock and Dryden 2005). Historical Perspective. (From Lewin 2003). Four Types. (From Tock and Dryden 2005). Type I. Three subunits form R 2 M 2 S 1

By mikaia (126 views)

Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. Restriction Enzymes scan the DNA sequence Find a very specific set of nucleotides Make a specific cut. Palindromes in DNA sequences.

By lynnrobertson (1 views)

Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. AP Biology Unit 2.

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Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. Discovery. In 1962, Werner Arber, a Swiss biochemist, provided the first evidence for the existence of "molecular scissors" that could cut DNA.

By rahim-koch (74 views)

Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. AP Biology Unit 2.

By macon-dyer (177 views)

Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. Restriction Enzymes. Enzyme that cuts DNA at specific nucleotide sequences known as restriction sites. Found in bacteria and have evolved to provide a defense mechanism against invading viruses.

By camilla (193 views)

Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. Micah Matthews and Hannah Perryman. What is the role of a restriction enzyme?. To cut DNA molecules at very precise sequences of 4 to 8 base pairs called recognition sites Named according to bacterial species from which they were first isolated

By zelia (161 views)

Restriction Enzymes

Restriction Enzymes

Restriction Enzymes. Restriction Enzymes. Enzyme that cuts DNA at specific nucleotide sequences known as restriction sites. Found in bacteria and have evolved to provide a defense mechanism against invading viruses.

By mcunningham (1 views)