Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get

Exactly three correct answers

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#Question id: 830

#Unit 1. Molecules and their Interaction Relevant to Biology

The polypeptide can assume with each point on it corresponding to a specific conformation, number of different conformations can assume with that energy, A folding protein must contain

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#Question id: 23037

#Unit 12. Applied Biology

The high persistence of halogenated xenobiotic can be overcome by whome? 

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#Question id: 12137

#Unit 10. Ecological Principles

Dwarf mistletoes are flowering plants that grow on certain forest trees. They obtain nutrients and water from the vascular tissues of the trees. The trees derive no known benefits from the dwarf mistletoes. Which of the following best describes the interactions between dwarf mistletoes and trees?

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#Question id: 9151

#Unit 9. Diversity of Life Forms

What would be the effect on climate in the temperate latitudes if Earth were to slow its rate of rotation from a 24-hour period of rotation to a 48-hour period of rotation?

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#Question id: 5966

#General Aptitude

The maximum gap between two successive leap year is?