CCG and CGG are the rarest trinucleotides in most A+T-rich bacterial genomes and CTAG is the rarest tetranucleotide in G+C-rich bacterial genomes.

TLS Online TPP Program

#Id: 8631

#Unit 2. Cellular Organization

APC/C core is organized into three modules: 

1. a scaffold module 

2. a catalytic module

3. a substrate recognition module

TLS Online TPP Program

#Id: 10455

#Unit 4. Cell Communication and Cell Signaling

Chronic myelogenous leukemia, 

a common leukemia in humans, associated with the Philadelphia chromosome

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: 10552

#Unit 4. Cell Communication and Cell Signaling

Activated RIPK1 can bind to FADD, which serves as an adapter to recruit and activate caspase-8

TLS Online TPP Program

#Id: 10517

#Unit 4. Cell Communication and Cell Signaling

Caspases

are so named because they contain a key cysteine residue in the catalytic site and selectively cleave proteins at sites just C-terminal to aspartate residues