The initial complement component activated by complement-fixing antibodies is:

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#Question id: 18717

#Unit 13. Methods in Biology

A common method to monitor synthesis of new DNA is 

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#Question id: 2649

#Unit 2. Cellular Organization

Which operon behaves similar to Bacillus subtilis trp operon in terms of attenuation?

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#Question id: 28901

#Unit 4. Cell Communication and Cell Signaling

Delipidation process to cleaves off Wnt’s attached lipids is an example of which mechanism?

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#Question id: 23861

#Unit 13. Methods in Biology

Which of the following techniques used to analyze gene function depends on the specificity of DNA base complementarity?

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#Question id: 28478

#Unit 5. Developmental Biology

 Select the correct statements about these transcriptional factors-sox2, oct4 and nanog ?

a) these transcriptional factors activating those genes required to maintain totipotency in embryonic stem cells

b) these transcriptional factors activating those genes required to maintain pluripotency in embryonic stem cells

c) these transcriptional factors repressing those genes whose products would lead to differentiation