UACUAAC is branch point sequence for U2 type introns

CCUUAAC is branch point sequence for U12 type introns

TLS Online TPP Program

#Id: 3521

#Unit 2. Cellular Organization

TLS Online TPP Program

#Id: 1566

#Unit 4. Cell Communication and Cell Signaling

Noncanonical pathways can be divided into two types: 

1. The “planar cell polarity” pathway

2. The “Wnt/calcium” pathway

TLS Online TPP Program

#Id: 1818

#Unit 10. Ecological Principles

r<0, the population decreases

r=0, the population remains constant

r>0, the population increases

TLS Online TPP Program

#Id: 8608

#Unit 2. Cellular Organization

There are three D cyclins in mammals:

cyclins D1, D2, and D3

TLS Online TPP Program

#Id: 7771

#Unit 2. Cellular Organization

Nuclear lamina

Fibrous network on the inner surface of the nuclear envelope composed of lamin intermediate filaments that provides structural support for the nuclear envelope and also acts as an anchoring site for chromosomes.