Which technique is commonly used for gene knock-out in mice?

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#Question id: 960

#SCPH05 I Biotechnology

Which amino acids are purely ketogenic?

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#Question id: 3854

#SCPH01 Biochemistry

In prokaryotes, the presence of a protein called rho will:

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#Question id: 5563

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

In mammalian eggs, the receptors for sperm are found in the ________.

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#Question id: 14199

#SCPH05 I Biotechnology

Unit of mass transfer coefficient?

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#Question id: 13103

#SCPH01 Biochemistry

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.

 

 

Why is it that some people show only one band?