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TLS Online TPP Program

#Question id: 5841

How are the BRCA proteins and their genes implicated in breast cancer?

#Section 3: Genetics, Cellular and Molecular Biology

  1. The BRCA proteins damage DNA by generating double-stranded breaks which can lead to cancer.

  2. Cells become more susceptible to damage if the genes for these proteins are damaged.

  3. BRCA proteins inhibit excision repair mechanisms.

  4. BRCA proteins initiate recombination between non-homologous DNA sequences.

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TLS Online TPP Program

#Question id: 20011

#Section 5: Bioprocess Engineering and Process Biotechnology

A strain of Escherichia coli has a maximum specific growth rate of 0.8 h-1 on a glucose based medium. If this organism is being grown in a chemostat with a dilution rate of 1.2 h-1, then at steady state the concentration of E. coli in the same medium will
TLS Online TPP Program

#Question id: 16829

#Section 1: Engineering Mathematics

Perform the following operations on the matrix
 
i) Add the third row to the second row
ii) Subtract the third column from the first column. The determinant of the resultant matrix is 
TLS Online TPP Program

#Question id: 12734

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

Name the US-based company which is able to provide personal genetic information based on analysis of disease genes such as diabetes and others.
TLS Online TPP Program

#Question id: 3708

#Section 3: Genetics, Cellular and Molecular Biology

The incorporation of new nucleotides into a growing strand of DNA occurs during ________.
TLS Online TPP Program

#Question id: 16015

#Section 6: Plant, Animal and Microbial Biotechnology

During the growth of animal cells in culture, it is noticed that the cells do not look very healthy. After an investigation, this is found that there is a lot of lactic acid in the culture fluid. What is probably wrong with this culture?