TLS Online TPP Program

#Question id: 284


Which best describes the structure of a nucleosome core particle?

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. A histone octamer with DNA threaded through its center.

  2. About 50 bp of DNA associated with one histone H1 molecule.

  3. One nucleosome plus one histone H1 and linker DNA.

  4. A histone octamer wrapped approximately two times around with DNA.

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TLS Online TPP Program

#Question id: 28097

#Unit 6. System Physiology – Plant

Asada-Halliwell pathway protects plants against oxidative stress during unfavorable environmental growth regimes 
a. Also known as The ascorbate-glutathione pathway 
b. Involved only enzymatic reaction 
c. Involved both enzymatic as well as non enzymatic reation 
d. Is an indispensable component of the ROS homeostasis mechanism of plants
Which of the following is correct

TLS Online TPP Program

#Question id: 28098

#Unit 6. System Physiology – Plant

The biosynthesis of chlorophylls and heme begins with the synthesis of

TLS Online TPP Program

#Question id: 28151

#Unit 1. Molecules and their Interaction Relevant to Biology

Technique based on atomic properties is NMR, NMR Provides Information on an

TLS Online TPP Program

#Question id: 28152

#Unit 1. Molecules and their Interaction Relevant to Biology

Q. NMR signals arise from some properties of atomic nuclei, which are
A. Magnetic moment
B. Angular momentum of the nuclear spin
C. Electronic range
D. Resistivity
Which of the following is true 

TLS Online TPP Program

#Question id: 28153

#Unit 1. Molecules and their Interaction Relevant to Biology

Nuclei that contain an even numbers of protons and an even number of neutrons have I=0 and are known as

TLS Online TPP Program

#Question id: 28154

#Unit 1. Molecules and their Interaction Relevant to Biology

Q. Isotope, Natural Abundance, and  spin (I) are given, and some statement are made
a. 12C=98.9%=NMR-active
b. 16O=99.9%=NMR-active
c. 12C=98.9%=NMR-inactive
d. 16O=98.9%=NMR-inactive
Which of the following is true