What is the main advantage of using Yeast Artificial Chromosome based vector over other vectors?

1. It has ability to clone very large fragments of DNA.

2. YAC vectors do not contain origin of replication sites 

3. It has insert  range up to 2000 kb.

4. It help in genome mapping and sequencing projects.

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Le Chatelier’s principle is applicable to:

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Which of the following is the weakest base?

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When NH4Cl is added to NH4OH solution the dissociation of ammonium hydroxide is reduced. It is due to:

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For the reversible reaction

N2 (g) + 3H2(g) ⇋ 2NH3 + Heat

The equilibrium shifts in forward direction

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A base according to Bronsted concept is a substance which can:

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The IUPAC name of CH₃CHO is: