Practice Questions

TLS Online TPP Program

#Question id: 354

You have a freshly prepared 0.1 M sucrose (molecular mass 342) solution, which means ________.

#Unit 1. Molecules and their Interaction Relevant to Biology

6.02 × 10^23 of sucrose molecules are present in the solution
6.02 × 10^22 of sucrose molecules are present in the solution
34.2 g of sucrose is present in the solution
6.02 × 10^22 of sucrose molecules or 34.2 g of sucrose is present in the solution

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TLS Online TPP Program

#Question id: 33703

#Unit 2. Cellular Organization

What will be the buoyant density of a duplex DNA having 60% GC sequences

TLS Online TPP Program

#Question id: 33704

#Unit 2. Cellular Organization

Find true and false statements

A. Tandemly repeated sequences are liable to undergo misalignments during chromosome pairing

B. The sizes of tandem clusters tend to be homozygous in population

C. The smaller clusters of tandemly repeated sequences can be used to characterize individual genomes

TLS Online TPP Program

#Question id: 33705

#Unit 2. Cellular Organization

Choose combination of correct statements

A. The main band contains 92% of the genome

B. The main band contains 10% of the genome

C. Smaller peak represents 30% GC content of genome

D. Smaller peak represents 60% GC content of genome

TLS Online TPP Program

#Question id: 33706

#Unit 2. Cellular Organization

The satellite DNA of the mouse M. musculus is digested by the enzyme EcoRII into a series of bands, including a predominant monomeric fragment of

TLS Online TPP Program

#Question id: 33707

#Unit 2. Cellular Organization

The overall consensus sequence of the present satellite in human is

TLS Online TPP Program

#Question id: 33891

#Unit 2. Cellular Organization

Find true & false

A. The rate of genetic exchange at minisatellite sequences is10-4 per kb of DNA.

B. Genetic exchange at minisatellite is greater than the rate of homologous recombination

C. Slower genetic exchange at minisatellite makes population heterozygous