Which of the followings are the characteristic feature of DNA replication?

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#Question id: 3988

#Unit 3. Fundamental Processes

The tryptophan operon of E. coli is repressed by tryptophan added to the growth medium.  The tryptophan repressor probably:

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#Question id: 31219

#Unit 4. Cell Communication and Cell Signaling

The intrinsic apoptosis pathway is mediated by an activated initiator caspase:

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#Question id: 21138

#Unit 12. Applied Biology

Secondary metabolites production takes place in which phase of the bacterial growth curve?

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#Question id: 14809

#Unit 4. Cell Communication and Cell Signaling

Indicate which of the following statements regarding haptens and carriers are true. 

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#Question id: 11054

#Unit 10. Ecological Principles

In red grouse populations on the grasslands, many males do not acquire territories. Which of the following is least likely to be a valid hypothesis about these male grouse?