All prokaryotic and eukaryotic DNA polymerases share the same fundamental type of synthetic activity -an antiparallel synthesis from 5’ to 3’ from a template that is 3’ to 5’. This means adding nucleotides one at a time to a 3’–OH end.

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#Id: 2120

#Unit 8. Inheritance Biology

Chromosome inversion, in which a chromosome segment is inverted—turned 180 degrees.

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#Id: 1862

#Unit 3. Fundamental Processes

RNA Polymerase I has a Bipartite Promoter

 

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#Id: 2488

#Unit 13. Methods in Biology

Low-percentage acrylamide gels are also used to separate DNA. Gels of between 10 and 20% acrylamide are used in techniques such as SDS–gel electrophoresis, where the smaller pore size now introduces a sieving effect that contributes to the separation of proteins according to their size. 

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#Id: 583

#Unit 2. Cellular Organization

CAP–cAMP binds upstream to promoters DNA and target bends the DNA considerably about 100 degrees

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#Id: 1004

#Unit 5. Developmental Biology

Gurken-Torpedo signal specifies dorsalized follicle cells.