Which event is nearest in time to the end of the period known as snowball Earth?

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#Question id: 16482

#Unit 12. Applied Biology

In vitro culture and growth of organs or parts thereof in which their various tissue components, functions are preserved both in terms of their structure and function is called as

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#Question id: 5241

#Unit 8. Inheritance Biology

Genes a, b, and c are widely spaced in the bacterial genome. Transducing phage from an a+ b+ c+ bacterium were used to infect a culture of a- b- c- cells, and b+ transductants were selected. Which of the following best describes the predicted genotypes of these transductants?

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#Question id: 5842

#Unit 8. Inheritance Biology

 In homologous recombination in E. coli, the protein that moves along a double-stranded DNA, unwinding the strands ahead of it and degrading them, is:

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#Question id: 9052

#Unit 9. Diversity of Life Forms

Which of the following causes seasons on Earth?

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#Question id: 12630

#Unit 6. System Physiology – Plant

Bioactive brassinosteroid levels are also modulated by a variety of inactivation or catabolic reactions, except;

a) epimerization

b) hydroxylation

c) Phosphorylation

d) Sulfonation

e) Ubiquitinylation

f) Conjugation to glucose or lipids