If it were possible to conduct sophisticated microscopic and chemical analyses of microfossils found in 3.2-billion-year-old stromatolites, then within such microfossils, one should be surprised to observe evidence of:

I. double-stranded DNA

II. a nuclear envelope

III. a nucleoid

IV. a nucleolus

V. nucleic acids

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#Question id: 10918

#Unit 6. System Physiology – Plant

The import into sinks such as developing roots, tubers, and reproductive structures, In many ways the events in sink tissues are simply the reverse of the events in sources. The following steps are involved in the import of sugars into sink cells such as;

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#Question id: 13021

#Unit 10. Ecological Principles

Which marine zone would have the lowest rates of primary productivity (photosynthesis)? 

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#Question id: 26437

#Unit 3. Fundamental Processes

GC – TA transversion caused by the insertion of

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#Question id: 1070

#Unit 4. Cell Communication and Cell Signaling

Genetic exchange in segmented viruses that allows a zoonotic virus to infect humans is termed

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#Question id: 12195

#Unit 6. System Physiology – Plant

Which one of the following is function as endogenous regulators of polar auxin transport?