Phase-contrast microscopy is suitable for observing which kind of sample?

1. Single cells 

2. Group of cells

3. Thin cell layers

4. Thick cell layers

Which of the following options is correct?

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#Question id: 11146

#Unit 7. System Physiology – Animal

If you experimentally increase the concentration of Na+ outside a cell while maintaining other ion concentrations as they were, what would happen to the cell's membrane potential?

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#Question id: 10256

#Unit 6. System Physiology – Plant

Both sucrose synthase and invertases can degrade sucrose for glycolysis, what will happen if one of the enzymes is absent or mutant?

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#Question id: 3882

#Unit 3. Fundamental Processes

The reverse transcriptase of an animal RNA virus catalyzes:

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#Question id: 3018

#Unit 2. Cellular Organization

In the growth curve of a bacteria population, the bacteria are rapidly increasing in number in the

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#Question id: 19124

#Unit 12. Applied Biology

Biosensor is a sensing device. It senses biomolecules by sensing

1. The interaction produces some detectable physical change that is measured and converted into an electrical signal

2. The interaction produces some detectable physical change that is measured and converted into ions.

3. B. The interaction produces some detectable physical change that is measured and converted into enzyme

Which of the following above statements are true for biosensor?