#Question id: 26809
#Unit 8. Inheritance Biology
#Question id: 1331
#Unit 4. Cell Communication and Cell Signaling
Integrins are the principal receptors used by animal cells to bind to the extracellular matrix. They are heterodimers and function as transmembrane linkers between the extracellular matrix and the actin cytoskeleton. A cell can regulate the adhesive activity of its integrins from within. An example of an integrin containing cell junction is
#Question id: 26961
#Unit 10. Ecological Principles
#Question id: 5085
#Unit 5. Developmental Biology
An embryo with meroblastic cleavage, extraembryonic membranes, and a primitive streak must be that of ________.
#Question id: 33494
#Unit 2. Cellular Organization