A mutation in which one of the following sigma factors may be a possible cause for E. coli failing to adapt in nitrogen stress?

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#Question id: 26414

#Unit 3. Fundamental Processes

Which of the following produces least revertant during Ames's test

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#Question id: 21969

#Unit 2. Cellular Organization

Choose the correct statement 

a. Interphase chromosomes occupy chromosome territories in the nucleus and are not entangled with each other

b. Heterochromatic regions, silenced genes, and gene-sparse regions of chromosomes are typically localized to the nuclear periphery

c. Interphase chromosomes occupy chromosome territories in the nucleus and are entangled with each other

d. Heterochromatic regions, silenced genes, and gene-sparse regions of chromosomes are typically localized to the nuclear centre

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#Question id: 5369

#Unit 8. Inheritance Biology

Above family shows inheritance of colour-blindness is recessive genetic disorder. Which of the following is correct statement? (All persons are outside of family either homozygous (female) or hemizygous (Male) are consider)

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#Question id: 11265

#Unit 10. Ecological Principles

Approximately how many kg of carnivore production can be supported by a field plot containing 2000 kg of plant material?

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#Question id: 5314

#Unit 11. Evolution and Behavior

Which of the following statements correctly describes one characteristic of a multigene family?