The E. coli enzyme acts by antagonizing the replication helicase in a direction a) manner by direct contact between the DnaB helicase and Tus.

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#Id: 4672

#Unit 13. Methods in Biology

A precipitation curve for a system of one antigen and its antibodies. This plot of the amount of antibody precipitated versus increasing antigen concentrations (at constant total antibody) reveals three zones: 

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#Id: 10244

#Unit 6. System Physiology – Plant

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#Id: 3525

#Unit 2. Cellular Organization

On average, one SNP occurs for approximately every 1330 bases in the human genome means 1 million SNP/genome

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#Id: 4469

#Unit 13. Methods in Biology

Resolving power or resolution is the ability to distinguish between two very closely positioned objects.

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#Id: 1589

#Unit 5. Developmental Biology

Primitive Groove

A depression that forms within the primitive streak that serves as an opening through which migrating cells pass into the deep layers of the embryo.