DnaA-ATP binds to short repeated sequences and forms an oligomeric com plex that melts DNA

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#Id: 2833

#Unit 13. Methods in Biology

The peptide or protein (known as a ‘ tag’) can be placed at the N- or C-terminal ends and provides a means for the fusion protein to be selectively purified from the cell extract by affinity chromatography.

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#Id: 10058

#Unit 4. Cell Communication and Cell Signaling

Homophilic Binding 

A CAM on one cell can directly bind to the same kind of CAM on an adjacent cell

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#Id: 8053

#Unit 1. Molecules and their Interaction Relevant to Biology

1. Alanine is can be mutated to

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#Id: 6531

#Unit 7. System Physiology – Animal

Insulin secretion by the pancreatic beta cells in response to increased blood glucose concentration

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#Id: 2142

#Unit 9. Diversity of Life Forms

Phylogenetic relationships are based on,

a. Plesiomorphic character

b. Apomorphic character