Double-negative (DN) thymocytes that have successfully rearranged their TCRβ chains are valuable, and are identified and expanded via a process known as 

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#Question id: 3675

#Unit 3. Fundamental Processes

Which describes the role of primase during replication?

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#Question id: 5377

#General Aptitude

The average weight of A,B and C is 48kg , If the average weight of A and B be 45kg and that of B and C be 50kg ,Find the weight of B

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#Question id: 1285

#Unit 4. Cell Communication and Cell Signaling

Proteoglycans are:

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#Question id: 28873

#Unit 4. Cell Communication and Cell Signaling

Wnt proteins form which type of secondary structure?

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#Question id: 15844

#Unit 8. Inheritance Biology

You have isolated two temperature-sensitive mutations in phage l that you suspect may be in the same gene. These phage mutants are called ts-1 and ts-2. Each mutant will form plaques at 35˚C but not at 42˚C. You cross ts^-1 to ts^-2 phage by coinfecting E. coli at the permissive temperature of 35˚C. When the resulting phage lysate is plated at 35˚C you count 10,000 plaques per ml of phage lysate, but when the same phage lysate is plated at 42˚C, there are only 80 plaques per ml.  

If the total size of the phage is 5 x 10⁴ bp and the total genetic map length of the phage is 100 m.u., about how far apart are the mutations in base pairs?