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: 14679

#SCPH05 I Biotechnology

Convert 100°C to (a) K, (b) °F, and (c) °R.

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#Question id: 3533

#SCPH12 I Genetics

What would be the frequency of dominant phenotype for all character individuals from a mating of two AaBbCc individuals?

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#Question id: 10238

#SCPH06 I Botany

The diagram below shows the frequency distribution of two closely related bird species based on their resource use in sympatric. Which one of the following phenomena most appropriately explains the change in frequency distributions of species 1 and 2 in the figure given above?

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#Question id: 10888

#SCPH28 | Zoology

Ecologists have applied the top-down model to improve water quality in polluted lakes showing in picture. This approach, called biomanipulation, attempts to prevent algal blooms and eutrophication by altering the density of organism instead of chemical treatment as following

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#Question id: 848

#SCPH05 I Biotechnology

Which of the brain diseases is not caused by the misfolding of brain proteins in mammals