Practice Questions

TLS Online TPP Program

#Question id: 1525

Following statements are regarding to chromatin remodelling factors SWI/SNF complexes. Which one of them is incorrect?

#Unit 4. Cell Communication and Cell Signaling

SWI/SNF complexes large and diverse multiprotein complexes, which have an ATP-dependent helicase at their core, often control histone modification and chromatin remodeling.
SWI/SNF complexes can cause changes in the positions or structures of nucleosomes, making genes accessible or inaccessible to DNA-binding proteins that control transcription.
SWI/SNF plays a role in repressing the expression of E2F genes, thereby inhibiting progression through the cell cycle.
Loss of SWI/SNF function, just like gain of Rb function, can lead to overgrowth and tumor formation.

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TLS Online TPP Program

#Question id: 3514

#Unit 8. Inheritance Biology

Which of the following are not conclude of that monohybrid cross?

TLS Online TPP Program

#Question id: 3519

#Unit 8. Inheritance Biology

If quadruple heterozygote of genotype Aa Bb Cc Dd is self-fertilized, what is the probability of a quadruple heterozygote Aa Bb Cc Dd offspring is assuming independent assortment of all four pairs of alleles.

TLS Online TPP Program

#Question id: 4814

#Unit 8. Inheritance Biology

The frequency of recombinant gametes is half the frequency of crossing over between genes present on same chromosome is due to

TLS Online TPP Program

#Question id: 696

#Unit 1. Molecules and their Interaction Relevant to Biology

An alpha helix would be destabilized most by:

TLS Online TPP Program

#Question id: 33396

#Unit 1. Molecules and their Interaction Relevant to Biology

In case of Coiled-coils