A spherical snowball is melting at rate of cubic centimeter per hour. How fast is the diameter changing when it is 20 centimeters ?

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#Question id: 4133

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statements about aminoacyl-tRNA synthetases is false?

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#Question id: 3278

#Section 3: Genetics, Cellular and Molecular Biology

What does the biological species concept use as the primary criterion for determining species boundaries?

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#Question id: 5242

#Section 3: Genetics, Cellular and Molecular Biology

Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?

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#Question id: 19046

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Which of the following techniques is used to study the three-dimensional structure of a molecule?

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#Question id: 27915

#Section 5: Bioprocess Engineering and Process Biotechnology

The conductive heat transfer mechanism is explained by