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: 10598

#SCPH28 | Zoology

In a wild life reserve, we have two species of mammal. Species A reproduce thrice a year and produced 6-10 offspring per litter. Species B reproduce once in 2-3 year and produced 1-2 offspring during each cycle of reproduction. Which of the following statement is true?

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#Question id: 5239

#SCPH06 I Botany

Which of the following statements is not true for Hfr strains of E. coli ?

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#Question id: 3866

#SCPH28 | Zoology

Which of the following statements about E. coli RNA polymerase (core enzyme) is false?

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#Question id: 12902

#SCPH28 | Zoology

An extension of microarray technology may also be used to analyze tissue sections,this process is known as_____

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#Question id: 10572

#SCPH06 I Botany

In 2005, the United States had a population of approximately 295,000,000 people. If the birth rate was 13 births for every 1,000 people, approximately how many births occurred in the United States in 2005?