If the experimental population of E. coli lacks an F factor or F plasmid, and if bacteriophage are excluded from the bacterial cultures, then which of these is a means by which beneficial mutations might be transmitted horizontally to other E. coli cells?

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#Question id: 10357

#XL - Q Biochemistry

Why the glutamine and glutamate will not be transported while  asparagine will prefer to be transported?

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#Question id: 10358

#XL - Q Biochemistry

Which of the following essential micronutrients is associated with nitrate reductase enzyme found in higher plants?

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#Question id: 10359

#XL - Q Biochemistry

Nitrate reductases of higher plants are composed of two identical subunits, each containing three prosthetic groups. Which of the following is not the prosthetic group of nitrate reductase;

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#Question id: 10360

#XL - Q Biochemistry

How much ATP require in the nitrogen fixation or conversion of ammonium assimilation in the system?

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#Question id: 10361

#XL - Q Biochemistry

The carbon skeleton for amino acids derives from 3-phosphoglycerate generated during glycolysis is called anaplueratic reaction. Generated amino acids from 3-PGA is that,

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#Question id: 10385

#XL - R Botany

The leaves of many species are able to bend toward the sun during its progress across the sky, a phenomenon known as