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TLS Online TPP Program

#Question id: 490

Which one of the following statements about gluconeogenesis is false?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. For starting materials, it can use carbon skeletons derived from certain amino acids.

  2. It consists entirely of the reactions of glycolysis, operating in the reverse direction.

  3. It employs the enzyme glucose 6-phosphatase.

  4. It is one of the ways that mammals maintain normal blood glucose levels between meals.

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TLS Online TPP Program

#Question id: 23111

#Unit 2. Cellular Organization

Choose the correct option 
a. Individual nucleosomes can be obtained by treating chromatin with the endonuclease micrococcal nuclease (MNase), which cuts the DNA between nucleosomes, a region known as H2A-H2B dimer region. 
b. Individual nucleosomes can be obtained by treating chromatin with the endonuclease micrococcal nuclease (MNase), which cuts the DNA between nucleosomes, a region known as linker DNA.
c. Mononucleosomes typically have 200 bp DNA. End-trimming reduces the length of DNA first to 165 bp and then generates core particles with 146 bp.
d. Mononucleosomes typically have 200 bp DNA. End-trimming reduces the length of DNA first to 165 bp and then generates core particles with 200 bp.
TLS Online TPP Program

#Question id: 23112

#Unit 2. Cellular Organization

Chromatin on treatment with Mnase generates fragments, as the time and concentration of Mnase increase various fragments are observed choose the incorrect statement 
TLS Online TPP Program

#Question id: 23113

#Unit 2. Cellular Organization

Chromatin on digestion with Mnase can be result on centrifugation and electrophoresis, on sedimentation the following result is obtained 
TLS Online TPP Program

#Question id: 23114

#Unit 2. Cellular Organization

What is the minimum length to stabilize nucleosome 
TLS Online TPP Program

#Question id: 23115

#Unit 2. Cellular Organization

The assay which is used in DNA foot-printing to identify the nitrogenous base sequences
TLS Online TPP Program

#Question id: 23116

#Unit 2. Cellular Organization

Choose the correct statement 
a. The nucleosome is a disc with DNA organized into 22/3 turns around the core .
b. The nucleosome is a disc with DNA organized into 12/3 turns around the surface.
c. The nucleosome is a disc of 11 nm diameter and 6 nm height.
d. The nucleosome is a cylinder of 6 nm diameter and 11 nm height.