During infection, most bacteria remain in extracellular spaces and use a specialized mechanism, to deliver bacterial effector proteins into the plant cell that is

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#Question id: 23148

#Unit 13. Methods in Biology

There are two proteins A and B to be visualized under fluorescence microscopy. Both of them are excited with same wavelength of light but A emits longer wavelength. Hence we can conclude that 

1. A is denser molecule than B

2. B is denser molecule than A

3. A is lighter molecule than B

4. B is lighter molecule than A

Which of the following option is incorrect?

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#Question id: 23143

#Unit 13. Methods in Biology

Which of the following parameters will give the best resolution in microscopy?

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#Question id: 752

#Unit 1. Molecules and their Interaction Relevant to Biology

The A260/A280 ratio of a double-stranded DNA sample can be used to assess its purity. The value for the pure DNA is ----------------

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#Question id: 11092

#Unit 7. System Physiology – Animal

Which statement is the most accurate definition of external respiration?

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#Question id: 23309

#General Aptitude

Suppose you are checking student's answer books, all of a sudden you have finished red refill. You call an student and order him to bring a refill. What would you like to do in such a situation?