Scientists have found that extracellular matrix components may induce specific gene expression in embryonic tissues such as the liver and testes. For this to happen, there must be direct communication between the extracellular matrix and the developing cells. Which kind of transmembrane protein would most likely be involved in this kind of induction?

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#Question id: 28534

#Unit 5. Developmental Biology

 Which of the following genes limit the number of undifferentiated meristem cells?

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#Question id: 6580

#General Aptitude

Which term comes next in the sequence : 2, A, 9, B, 6, C, 13, D, ? 

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#Question id: 23257

#Unit 13. Methods in Biology

Centromeric probes are useful in identifying 

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#Question id: 7014

#Unit 5. Developmental Biology

Microglia are often considered the “immune cells” of the central nervous system, since they function:

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#Question id: 33233

#Unit 1. Molecules and their Interaction Relevant to Biology

The pH dependence of the rate of the RNase A reaction suggests the involvement of 

a. Two ionizable residues with pK values of 5.4 and 6.4

b. Single ionizable residue with pK values 7

c. Cytosine residue in active site