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: 2982

#Unit 3. Fundamental Processes

Only one DNA polymerase is the replication enzyme. The others participate in repair of damaged DNA, restarting stalled replication forks, or bypass 1ng damage in DNA.

TLS Online TPP Program

#Id: 2487

#Unit 13. Methods in Biology

Acrylamide gels can be made with a content of between 3% and 30% acrylamide Low concentration are used to where free movement of the proteins is required without any noticeable frictional effect such as flat-bed isoelectric focusing or the stacking gel system of an SDS–polyacrylamide gel.

TLS Online TPP Program

#Id: 9686

#Unit 4. Cell Communication and Cell Signaling

Fat and muscle cells express large amounts of the insulin-responsive glucose transporter GLUT4

TLS Online TPP Program

#Id: 7011

#Unit 5. Developmental Biology

Regulation is highly influenced by the microenvironment that surrounds a stem cell and is known as the stem cell niche.

TLS Online TPP Program

#Id: 9509

#Unit 6. System Physiology – Plant

Sclerotinia sclerotiorum is a necrotrophic fungus that infects over 400 plant species. It secretes the phytotoxin oxalic acid to assist the early phases of the infection