Following geological time period and major evolutionary event?

I. Devonian                            A. Gymnosperms dominant

II. Jurassic                               B. Amphibians diversify; first reptiles

III. Carboniferous                  C. Mammals appear

IV. Triassic                           D. Seed plants appear

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#Question id: 19328

#SCPH01 Biochemistry

Which one of the following is a bio microarray device?

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#Question id: 598

#SCPH05 I Biotechnology

Which might be a method used for distinguishing among several mechanistic possibilities in a multi-substrate reaction?

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#Question id: 2601

#SCPH01 Biochemistry

Condition of basal level transcription (BLT);

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#Question id: 10930

#I Life Science/ Life Sciences Group – I-V

A 34-year-old man with schizophrenia has had chronic fatigue for 6 months. He has a good appetite, but has refused to eat vegetables for 1 year because he hears voices saying that vegetables are poisoned. His physical and neurological examinations are normal. His hemoglobin level is 9.1 g/dL, leukocyte count is 10,000/μl3, and MCV is 122. Which of the following is the most likely diagnosis?

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#Question id: 8927

#SCPH06 I Botany

Arthropods invaded land about 100 million years before vertebrates did so. This most clearly implies that