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.Management Sciences
Category: Biochemistry
The normal level of serum cholesterol is_______________?
A. 100-140 mgs/100 ml
B. 260-360 mgs/100 ml
C. 150-250 mgs/100 ml
D. 80-250 mgs/100 ml
Proteins are linear polymers of amino acids, They fold into compact structures Sometimes these folded structures associate to form homo or hetero dimers Which one of the following refers to this associated form ?
A. Denatured state
B. Molecular aggregation
C. Precipitation
D. Quaternary structure
The major lipids that make up the cell membrane are_______________?
A. Triglycerides
B. Phospholipids
C. Sphingomyelins
D. Fatty acids
Albinism is a genetic disease that results in incomplete metabolism of______________?
A. Histidine
B. Cystine
C. Tyrosine
D. Alanine
In all the following RNA participates directly except________________?
A. Post translation modification
B. Post transcriptional modification
C. DNA replication
D. Splicing
The immediate precursor of norepinephrine is______________?
A. Epinephrine
B. Tyrosine
C. Dopamine
D. Phenylalanine
Which of the following is not a second messenger ?
A. c AMP
B. c GMP
C. Phosphatidyl inosital
D. Phosphatidyl glycerol
True about denaturation of protein is all except______________?
A. Unfolding occurs
B. Disruption of secondary structure occurs
C. Sequence of amino acids remain the same
D. Biological activity is retained
Following is non-essential amino acid_______________?
A. Phenylalanine
B. Proline
C. Tryptophan
D. Threonine
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