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TLS Online TPP Program

#Question id: 5841

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

#XL - T Zoology

  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: 9267

#XL - S Microbiology

Three living species X, Y, and Z share a common ancestor T, as do extinct species U and V. A grouping that consists of species T, X, Y, and Z (but not U or V) makes up
TLS Online TPP Program

#Question id: 11631

#XL - T Zoology

A cross between two green corn plants yields 23 progenies that are green and 13 progenies that are yellow. What is the genotype of the green progeny?
TLS Online TPP Program

#Question id: 11906

#XL - T Zoology

Which of the following changes would you expect to find after administering a vasodilator drug that caused a 50% decrease in afferent arteriolar resistance and no change in arterial pressure?
TLS Online TPP Program

#Question id: 17284

#XL - S Microbiology

Which kind of plant tissue should lack phragmoplasts? 
TLS Online TPP Program

#Question id: 426

#XL - Q Biochemistry

Which statement is not true about catabolic pathways?