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: 10977

#I Life Science/ Life Sciences Group – I-V

A 60-year-old man’s EKG shows that he has an R-R interval of 0.55 sec. Which of the following best explains his condition?

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#Question id: 12728

#SCPH28 | Zoology

Name the type of RNA which folds up to give a cloverleaf secondary structure.

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#Question id: 950

#SCPH28 | Zoology

Nitric oxide is formed from arginine. It is a messenger molecule with several functions that include all below except

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#Question id: 5748

#SCPH06 I Botany

When a diploid organism undergoes one or more rounds of endoreduplication (resulting in a gain of more than one complete haploid set of chromosomes), the resulting cells are best described as

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#Question id: 5240

#SCPH28 | Zoology

If bacteria grow in the presence of a large amount of DNase, which of the following recombination process completely inhibited?