Mitochondria are thought to be the descendants of certain alpha -proteobacteria. They are, however, no longer able to lead independent lives because most

genes originally present on their chromosome have moved to the nuclear genome. Which phenomenon accounts for the movement of these genes?

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#Question id: 15702

#XL - S Microbiology

Following are few sterilization techniques and materials used in plant tissue culture. Identify the correct combinations.

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#Question id: 20045

#XL - P Chemistry

The ratio of K.E. to P.E. of an electron in Bohr orbit of H like species is

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#Question id: 15674

#XL - S Microbiology

During which phase of the bacterial growth curve does the total number of viable cells decline?

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#Question id: 11422

#XL - R Botany

The values of temperature and precipitation used to define climate zones correspond to the conditions of moisture and cold stress that are particularly important determinants of plant form. Which of following is correct combination of Biome?

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#Question id: 4977

#XL - S Microbiology

There are at least a dozen known species in the extinct genus Lystrosaurus. If each species was suited to a quite different environment, then this relatively large number of species is likely due to