A single-stranded DNA molecule contains 40 nucleotides with equal amounts of A, C, G, and T. This DNA strand can combine with a complementary DNA strand to form a double-stranded DNA molecule. Which structural feature is found in the single-stranded DNA molecule?

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#Question id: 19820

#Unit 12. Applied Biology

The hypersensitive response is triggered by certain unique molecules, called elicitors, of pathogen origin. The elicitors are recognized by receptor-like molecules present in 

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#Question id: 4318

#Unit 3. Fundamental Processes

Which of the following statements correctly describes a characteristic of tumor-suppressor gene?

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#Question id: 4145

#Unit 3. Fundamental Processes

Steriod hormone response elements (HREs) are _ , which, when bound to _, alter gene expression at the level of _.

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#Question id: 12759

#Unit 10. Ecological Principles

As climate changes because of global warming, species? ranges in the northern hemisphere may move northward. The trees that are most likely to avoid extinction in such an environment are those that

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#Question id: 1017

#Unit 4. Cell Communication and Cell Signaling

The outbreak of measles within the last few years was due to