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#Question id: 12021

#XL - T Zoology

Nutrient-rich blood from the intestine is carried through the ________ to the liver.

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#Question id: 10334

#XL - Q Biochemistry

N2 combines with hydrogen to form ammonia under elevated temperature (about 200°C) and high pressure (about 200 atmospheres) and in the presence of a metal catalyst (usually iron). The extreme conditions are required to overcome the high activation energy of the reaction. This nitrogen fixation reaction, called

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#Question id: 17280

#XL - S Microbiology

During DNA isolation, phenol / chloroform extraction is performed to remove

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#Question id: 11299

#XL - R Botany

Carbon is initially incorporated into the food chain by _____________

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#Question id: 4609

#XL - S Microbiology

Pseudogenes are ________.