Which part of the light microscope controls the intensity of light entering the viewing area?

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#Question id: 4500

#Unit 3. Fundamental Processes

The free end of the second RNA is uncapped and thus can be distinguished from genuine transcripts. This new RNA is recognized by an RNase called, in yeast, _ and in humans_ that is loaded onto the end of the RNA by another protein that binds the CTD of RNA polymerase.

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#Question id: 11300

#Unit 10. Ecological Principles

What type of organisms convert nitrates and nitrites into nitrogen gas?

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#Question id: 23257

#Unit 13. Methods in Biology

Centromeric probes are useful in identifying 

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#Question id: 26914

#Unit 10. Ecological Principles

Some given statements about anti freezing are given;

a.some invertebrates to withstand temperatures as low as –18°C without freezing, in presence of glycoproteins

b.Sodium, potassium, or chloride ions involve to increasing  the blood freezing point, so the lack of these ions some species help to lower the blood freezing point

c.Amphibians release large amount of glucose into the blood to prevent freezing of blood in cold

d.Sodium, potassium or urea function as anti freezing in their blood

e.Glycine causes supercooling in plants

Which of the following statements about supercooling/anti freezing is correct?

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#Question id: 14713

#Unit 5. Developmental Biology

Match their cleavage patterns with their belonging animals;