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TLS Online TPP Program

#Id: 3023

DNA polymerases cannot initiate DNA synthesis on duplex or single-stranded DNA without a primer.

#Unit 3. Fundamental Processes #Unit of replication and enzymes involved #Part B Pointers
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TLS Online TPP Program

#Id: 8486

#Unit 1. Molecules and their Interaction Relevant to Biology

All three kinds of bonds (N-Ca, Ca-Co, and the Co-N peptide bond) are single bonds.
TLS Online TPP Program

#Id: 8487

#Unit 1. Molecules and their Interaction Relevant to Biology

Co and N atoms of the peptide grouping are both in planar sp2 hybridization and the Co and O atoms are linked by a p bond, leaving the nitrogen with a lone pair of electrons in a 2p orbital.
TLS Online TPP Program

#Id: 8488

#Unit 1. Molecules and their Interaction Relevant to Biology
TLS Online TPP Program

#Id: 8489

#Unit 1. Molecules and their Interaction Relevant to Biology
TLS Online TPP Program

#Id: 8490

#Unit 1. Molecules and their Interaction Relevant to Biology

The coplanar relationship of the atoms in the amide group is highlighted as an imaginary
shaded plane lying between two successive a-carbon atoms in the peptide backbone.
TLS Online TPP Program

#Id: 8491

#Unit 1. Molecules and their Interaction Relevant to Biology

The peptide bond is estimated to have 40% double bond character