When DNA is compacted by histones into 10 nm and 30 nm fibers, the DNA is unable to interact with proteins required for gene expression. Therefore, to allow for these proteins to act, the chromatin must constantly alter its structure. Which processes contribute to this dynamic activity?

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#Question id: 15484

#Unit 12. Applied Biology

Microbial process produces l-form of amino acids which makes the process advantageous as compared to synthetic processes. Strains employed for amino acid 1. 1. 1. production are 

1. wild-type strains 

2. auxotrophic mutants

3. regulatory mutants

4. auxotrophic regulatory mutants

Which of the following combination has correct options

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#Question id: 12112

#Unit 10. Ecological Principles

The presence of altruistic behaviour is most likely due to kin selection, a theory maintaining that

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#Question id: 2517

#Unit 2. Cellular Organization

Which types of cell motility can occur in the presence of actin alone (without myosin)?

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#Question id: 7575

#General Aptitude

What is the distance between Alankar’s house and office, if he will reach office late by 20 minutes, traveling at 10 km/hr and will reach early by 15 minutes, traveling at 15 km/hr?

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#Question id: 15381

#Unit 8. Inheritance Biology

Neurofibromatosis is a condition in humans which is generally inherited in a dominant fashion. Assuming this disorder is 90% penetrant, what is the chance that a single child born to a father with neurofibromatosis and a mother known not to carry the mutation will have the disorder?