Triploids are usually autopolyploids. They arise spontaneously in nature, but they can be constructed by geneticists from the cross of a 4n (tetraploid) and a 2n (diploid). Triploids are characteristically sterile due to

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#Question id: 5820

#Unit 8. Inheritance Biology

A new chemical pesticide developed for agricultural use was subjected to the Ames test. The rate of mutation seen in samples treated with the pesticide and liver extract was approximately half that of the samples treated with the liver extract alone; in samples treated with only pesticide, the mutation rate was about the same as that of untreated samples. Which of the following statements could you make about this pesticide?

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#Question id: 4213

#Unit 3. Fundamental Processes

Which statement describes the correct order of events in prokaryotic translation initiation?

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#Question id: 3642

#Unit 3. Fundamental Processes

Any piece of DNA which replicates as a single unit is called

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#Question id: 12266

#Unit 10. Ecological Principles

Populations inhabiting fragmented habitats form

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#Question id: 20846

#Unit 12. Applied Biology

Nitrate is energetically the best electron acceptor under anoxic conditions and is generally used preferentially by which type of microbes?