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TLS Online TPP Program

#Question id: 3748

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

#XL - Q Biochemistry

  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: 32929

#XL - S Microbiology

Which of the following is the first activated intermediate in the bacterial sulfur assimilation pathway?
TLS Online TPP Program

#Question id: 1776

#XL - Q Biochemistry

Which is not a function of IgA?
TLS Online TPP Program

#Question id: 2087

#XL - S Microbiology

Phospholipids with short or unsaturated fatty acyl chains
TLS Online TPP Program

#Question id: 20236

#XL - P Chemistry

Match the following
TLS Online TPP Program

#Question id: 1742

#XL - Q Biochemistry

The T-cell receptor link to MHC–peptide is enhanced by interaction between MHC class II on the antigen-presenting cells with the following molecule on the T-cell: