To nucleate the assembly of branched actin filaments, Arp2/3 needs to be activated by a nucleation promoting factor (NPF)

TLS Online TPP Program

#Id: 8521

#Section 3: Genetics, Cellular and Molecular Biology

Lysine acetylation & Detyrosylation are found only on α-tubulin and are absent from β-tubulin.

TLS Online TPP Program

#Id: 8366

#Section 3: Genetics, Cellular and Molecular Biology

Myosin I

single head domain

Function- Membrane association, endocytosis

TLS Online TPP Program

#Id: 10351

#Section 2: General Biology

B-cell survival in the follicle is dependent on access to the TNF-family member cytokine B-cell activation factor (BAFF), otherwise known as B lymphocyte survival factor (BLyS), which is secreted by the FDCs.

TLS Online TPP Program

#Id: 2249

#Section 3: Genetics, Cellular and Molecular Biology

Chromosome Evolution

Fissions and fusion is the most common way for the number of chromosomes to change.

Humans have 23 pairs of chromosomes, but all of the other great apes have 24 pairs. At some point since our lineage split from that of chimpanzees, two chromosomes fused

TLS Online TPP Program

#Id: 9171

#Section 3: Genetics, Cellular and Molecular Biology

Determining allelic frequencies at equilibrium