Catastrophism, meaning the regular occurrence of geological or meteorological disturbances (catastrophes), was Cuvierʹs attempt to explain the existence of

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#Question id: 1120

#XL - Q Biochemistry

A mutation that knocks out the GTPase activity of a G protein would have what effect on a cell?

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#Question id: 20176

#XL - P Chemistry

An electron has kinetic energy of 2·14 × 10^–22J.Its de-Broglie wavelength will be nearly (me = 9.1 × 10^–31 kg)

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#Question id: 5262

#XL - S Microbiology

Which of the following characteristics is not true of a plasmid?

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#Question id: 15759

#XL - S Microbiology

Somatic hybrids exhibit the full somatic complement of one parental species, while all or nearly all chromosomes of the other parental species are lost during the preceding mitotic divisions; such hybrids arc referred to as

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#Question id: 1596

#XL - S Microbiology

Which one of the following is function of Class III MHC genes?