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TLS Online TPP Program

#Question id: 5115

At the time of mid-blastula transition which of the following event not occur?

#Unit 5. Developmental Biology

  1. different genes begin to be transcribed in different cells

  2. the cell cycle eliminates gap phases

  3. the blastomeres acquire the capacity to become motile

  4. certain promoters are demethylated

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TLS Online TPP Program

#Question id: 2716

#Unit 2. Cellular Organization

With respect to assembly of every core histone which of the following is wrong?
TLS Online TPP Program

#Question id: 2717

#Unit 2. Cellular Organization

To reseal the DNA backbone where does topoisomerase gets the energy from?
TLS Online TPP Program

#Question id: 2719

#Unit 2. Cellular Organization

The distinct zig-zag appearance of the chromatin fibre is due to ____________
TLS Online TPP Program

#Question id: 2720

#Unit 2. Cellular Organization

In one strand of a double stranded DNA the rate of occurrence of A is 3 times C in consecutive 10 bases. So how many G will be there in 100 base pairs of a DNA duplex? [Consider G=T in one strand].
TLS Online TPP Program

#Question id: 2721

#Unit 2. Cellular Organization

With respect to Histone H1 DNA packaging which of the following is false?
TLS Online TPP Program

#Question id: 2722

#Unit 2. Cellular Organization

Which type of supercoiling takes the form of extended right-handed coils?