An individual cell homozygous for a mutant allele of the gene for a human enzyme contains no detectable activity for that enzyme. The mutation is best described as

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#Question id: 9612

#XL - R Botany

The best classification system is that which most closely

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#Question id: 16496

#XL - R Botany

Neomycin phosphotransferase  gene is used as a selectable marker. It provides resistence against which antibiotic ?

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#Question id: 2322

#XL - T Zoology

The gelatinous fluid inside the nucleus is called

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#Question id: 11298

#XL - R Botany

A pyramid of numbers shows _____________.

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#Question id: 373

#XL - S Microbiology

What is the hydroxyl ion (OH-) concentration of a solution of pH 8?