Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?

TLS Online TPP Program

#Question id: 16569

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Eukaryotic mRNA extraction, can be done by using which of the following columns in affinity chromatography 

TLS Online TPP Program

#Question id: 14175

#Section 5: Bioprocess Engineering and Process Biotechnology

The growth of S. cerevisiae on glucose under anaerobic conditions can be described by the following overall reaction

Determine the biomass yield coefficient YX/S? 

TLS Online TPP Program

#Question id: 1873

#Section 2: General Biology

Mutations in the gene encoding which of the following most commonly results in severe combined immunodeficiency (SCID)?

TLS Online TPP Program

#Question id: 13108

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

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 on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.

 

 Why is it that some people show three bands?

TLS Online TPP Program

#Question id: 2096

#Section 3: Genetics, Cellular and Molecular Biology

Movement of phospholipids from one leaflet to the other