Several integrin α subunits contain, I-domain, which can mediate binding of integrins to various collagens in the ECM.

TLS Online TPP Program

#Id: 7604

#Unit 5. Developmental Biology

MMP2 is a protein that digests extracellular matrices (such as the zona) and may be responsible for digesting a pathway to the oocyte Acrosin bind secondarily to the zona, keeping the sperm in the channel it creates

TLS Online TPP Program

#Id: 3781

#Unit 1. Molecules and their Interaction Relevant to Biology

The multi-atom combinations are called molecules. A molecule is the smallest part of a substance that has the physical and chemical properties of that substance.

TLS Online TPP Program

#Id: 1887

#Unit 4. Cell Communication and Cell Signaling

Time course of appearance of  thymocytes and  thymocytes during mouse fetal development.

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: 2109

#Unit 8. Inheritance Biology

Deletion includes the centromere, then the chromosome will not segregate in meiosis or mitosis and will usually be lost.