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TLS Online TPP Program

#Id: 8458

Helix can form in polypeptides consisting of either L- or D-amino acids but never exist to contain both types.

#Unit 1. Molecules and their Interaction Relevant to Biology #Conformation of proteins #Part B Pointers
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TLS Online TPP Program

#Id: 523

#Unit 2. Cellular Organization

Exon Sequences Under Positive Selection Vary but Introns Are Conserved
TLS Online TPP Program

#Id: 524

#Unit 2. Cellular Organization

Erwin Chargaff gave four “rules,” known as parity rule for duplex DNA.
TLS Online TPP Program

#Id: 525

#Unit 2. Cellular Organization

The second parity rule applies more closely to introns than to exons.
TLS Online TPP Program

#Id: 526

#Unit 2. Cellular Organization

The length of Introns is variable while exons are almost constant in length.
TLS Online TPP Program

#Id: 527

#Unit 2. Cellular Organization

Genes that share a common ancestry have similar organizations with conservation of the positions (of at least some) of the introns.
TLS Online TPP Program

#Id: 528

#Unit 2. Cellular Organization

The homology between two genes can be plotted in the form of a dot matrix comparison