Name the forms of DNA which have been derived under laboratory conditions.

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#Question id: 2122

#SCPH28 | Zoology

The inner (plasma) membrane of E. coli is about 75% lipid and 25% protein by weight.  How many molecules of membrane lipid are there for each molecule of protein?  (Assume that the average protein is Mr 50,000 and the average lipid is 750.)

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#Question id: 23198

#SCPH06 I Botany

The commonly used heavy metals in staining for electron microscopy are.

1. Uranium

2. Gold

3. Lead

4. Osmium

5. Platinum

Which of the following option has correct combination?

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#Question id: 370

#SCPH05 I Biotechnology

Which of the following statements is true about buffer solutions?

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#Question id: 548

#I Life Science/ Life Sciences Group – I-V

Which one of the following statements is true of enzyme catalysts?

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#Question id: 4183

#SCPH28 | Zoology

Amino acids are attached to tRNA at the __.