The momentum of a photon of frequency 50 × 10¹⁷S^–1 is nearly

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#Question id: 16873

#General Aptitude

Ten years have passed ……… my grandmother died.

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#Question id: 17072

#XL - R Botany

Plastic Film, Teflon (fluoroethylenepropylene copolymer) is biologically inert and are extensively used for monolayer and suspension cultures as thry are

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#Question id: 17073

#XL - R Botany

Hypoxanthine is converted into guanine by the enzyme HGPRT an enzymes of the salvage pathway. What does HGPRT stands for?

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#Question id: 17074

#XL - R Botany

What are some disadvantages of monoclonal antibody production?

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#Question id: 17075

#XL - R Botany

What are the disadvantages of using polyclonal antibodies?

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#Question id: 17076

#XL - R Botany

The various advantages of serum-free media could be

1. Improved reproducibility of results from different laboratories

2. Easier downstream processing of products from cultured cells

3. Biassays are free from interference due to serum proteins

4. They permit selective culture of diffrentiated cell types from the heterogeneous cultures

Which of the statements are true?