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

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#Question id: 1153

#Unit 4. Cell Communication and Cell Signaling

Which of the following statements about adenylyl cyclase stimulation/inhibition in adipose cells is TRUE?

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#Question id: 2736

#Unit 2. Cellular Organization

Which histone molecule produces novel binding sites for protein components of the kinetochore?

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#Question id: 15724

#Unit 11. Evolution and Behavior

Neo-Lamarckism includes several theories based on the old idea of inheritance of modifications acquired during an organism’s lifetime. In a famous experiment done by,

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#Question id: 18608

#Unit 13. Methods in Biology

In an experiment, A 5kb DNA undergoes PCR using primer, after electrophoresis instead getting a 5kb band, two set of PCR band are found of 5kb and 3kb, this is due to

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#Question id: 828

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following assistance have function to lift folding polypeptides out of the false minima in their folding funnels?