The Species-Area Hypothesis Large areas contain more species than small areas because they can support larger populations and a greater range of habitats.

TLS Online TPP Program

#Id: 2539

#Unit 13. Methods in Biology

In PCR, the length of primers is of great importance in ensuring that only the target sequence is amplified. 

TLS Online TPP Program

#Id: 6315

#Unit 3. Fundamental Processes

Model of Intrinsic Termination

Bacterial terminators act by:

TLS Online TPP Program

#Id: 9077

#Unit 4. Cell Communication and Cell Signaling

β-Arrestin (Arr) binds to these phosphorylated receptors. Clathrin and AP2, two other proteins bound by β-arrestin, promote endocytosis of the receptor.

TLS Online TPP Program

#Id: 1736

#Unit 4. Cell Communication and Cell Signaling

Antigen pieces are held within the binding groove of a cell surface protein called the major histocompatibility complex (MHC) molecule which recognized by T cell

TLS Online TPP Program

#Id: 9250

#Unit 6. System Physiology – Plant

The biphasic C4 system reduces photorespiration dramatically by increasing levels of CO2 near Rubisco to enable Rubisco carboxylation to outcompete the oxygenation reaction.