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: 4314

#SCPH28 | Zoology

A researcher introduces double-stranded RNA into a culture of mammalian cells and can identify its location or that of its smaller subsections experimentally, using a fluorescent probe. Some time later, she finds that the introduced strand separates into single-stranded RNAs, one of which is degraded. What does this enable the remaining strand to do?

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#Question id: 749

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

Which of the following is correct for the A form of DNA structures?

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#Question id: 14121

#SCPH05 I Biotechnology

Which of the following is not the classification of SCOP?

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#Question id: 9570

#SCPH28 | Zoology

Which of the following would not be a significant component of the energy budget of a person sitting on a park bench on a warm and windy night,

exposed to the clear night sky?

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#Question id: 12704

#SCPH12 I Genetics

Cytoplasmic male sterility (CMS) in plants is caused by mutation in the mitochondrial genome. CMS can be restored by a nuclear gene, restorer of fertility (Rf), which is a dominant character.