A trait can evolve by sexual selection if it increases a male’s overall fitness, even if it decreases survival.

Exaggerated secondary sexual traits are favored by sexual selection because they increase male mating success.

TLS Online TPP Program

#Id: 5651

#Unit 7. System Physiology – Animal

Homonymous (same side of both 

visual fields) Hemianopia (half blindness)

A lesion in one optic tract causes blindness in half of the visual field

TLS Online TPP Program

#Id: 7695

#Unit 1. Molecules and their Interaction Relevant to Biology

                                                                        aa motif / Coiled-coils



TLS Online TPP Program

#Id: 3132

#Unit 3. Fundamental Processes

The GATC sites at the origin remain hemimethylated for -13 minutes after replication.

TLS Online TPP Program

#Id: 3168

#Unit 3. Fundamental Processes

Three different DNA polymerases make up the eukaryotic replication fork

Pol α/rimase is responsible for primer synthesis on the lagging strand.

The MCM helicase (the eukaryotic homolog of Dna B ) unwinds the dsDNA, while 

PCNA (homolog of ex) endows the complex with processivity.

TLS Online TPP Program

#Id: 10544

#Unit 4. Cell Communication and Cell Signaling

Two BH3-only proteins, Puma and Noxa are transcriptionally induced by the p53 protein