Which of these was not derived from an ancestral alpha proteobacterium?

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#Question id: 31583

#XL - S Microbiology

What are magnetosomes primarily composed of?

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#Question id: 7314

#XL - R Botany

With reference to plant flowering pattern; match the terms of Column I with the most appropriate term of Column II. (Se-Sepal; Ca-Carpel; St-stamen; Pe-Petal)

s.no.	Homeotic mutants (Column 1)	S. No	Flower patterning (Column 2)
A.	Apetala2 mutant	I.	Ca-Ca-Ca-Ca
B.	Agamous /Apetala3 mutant	II.	Se-Pe-Pe-Se
C.	Agamous mutant	III.	Se-Se-Se-Se
D.	Apetala2/Apetala3 mutant	IV.	Ca-St-St-Ca

 

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#Question id: 5096

#XL - T Zoology

Select the choice that correctly matches the organ with its embryonic sources.

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#Question id: 3216

#XL - T Zoology

The frequency of galactosemia is approximately 1 in 40,000 live births. The frequency of the carrier state can be calculated as

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#Question id: 20134

#XL - P Chemistry

Calculate the heat of formation of benzene from the following data, assuming no resonance. Bond energies :

C – C = 83 kcal = 140 kcal C – H = 99 kcal

Heat of atomisation of C = 170 .9 kcal

Heat of atomisation of H = 52.1 kcal