Classify lipids and describe their major biological functions.
See Answer →Explain the role of cell surface carbohydrates in cell–cell recognition and immune response.
See Answer →What are glycoproteins and glycolipids? Mention their biological significance.
See Answer →Discuss why cellulose cannot be digested by humans but can be utilized by ruminants.
See Answer →Write short notes on the following.
See Answer →Describe the role of monosaccharides and polysaccharides in energy metabolism in living cells.
The lifetime of (excited state) is
. If the excited state is
above the ground state determine the linewidth
and ratio
.
Classify carbohydrates based on their structure with suitable examples.
See Answer →What is Mossbauer effect?
See Answer →Explain how knowledge of biochemistry helps in understanding metabolic disorders such as diabetes or thalassemia.
See Answer →
Define the term biochemistry and explain why it is considered as an interdisciplinary discipline.
See Answer →What are different mechanisms that contribute to the relaxation of nuclear spins in the excited state? Explain any one of them.
See Answer →Which of the following systems will show electron spin resonance (ESR) spectrum? (i) H (ii) (iii)
(iv)
(v)
(vi)
Calculate the ESR frequency of an unpaired electron in a magnetic field of 3000 G (0.3 T).
[Given: ;
; and
]
What is meant by AX spin system in NMR? Draw a schematic energy level diagram for this system and show the allowed transitions.
See Answer →Predict the number of signal and multiplicity of peaks in the spectrum of the following compounds:
a) 2,5-Dimethylhexane
b) Cyclohexanol
Explain why the spin splitting is not observed in
spectrum?
The molecule has 3 fundamental vibrational frequencies. One is Raman active and two are IR active. Identify the structure of the molecule.