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141. The amino acid, which is used is the estimation of collagen is_____________?
A. Hydroxyproline
B. Proline
C. Lysine
D. Glycine

142. The amino acid from which niacin is synthesized is______________?
A. Tyrosine
B. Theronine
C. Tryptophan
D. Histidine

143. Hydroxylation of proline require the following except____________?
A. Fe+2
B. O2
C. Ascorbic acid
D. Succinate

144. The process by which a base sequence of messenger RNA is synthesized (by a RNA polymerase) on a template of complementary DNA is called______________?
A. Transcription
B. Transduction
C. Translation
D. Translocation

145. The major fuel for the brain after several weeds of starvation______________?
A. Glucose
B. Fatty acid
C. Beta hydroxy butyrate
D. Glycerol

146. Non essential amino acids are not_____________?
A. Used by the body
B. Forming part of the proteins
C. Required in the diet
D. Absorbed in the intestines

147. The following is false about tryptophan_____________?
A. Non-essential amino acid
B. Involved in serotonin synthesis
C. Involved in niacin synthesis
D. Involved in melatonin in synthesis

148. Which of the following amino acid is involved in gluconeogenesis______________?
A. Glycine
B. Valine
C. Cysteline
D. All of the above

149. Glycine is present in____________?
A. Hemoglobin
B. Glutathione
C. Purines
D. Creatine
E. All of the above

150. Quaternary structure of protein is_____________?
A. The arrangement sequence of amino acids in the polypeptide chain
B. Inter relation between amino acids in a single polypeptide chain
C. Inter relation of amino acids in 2 polypeptide chains
D. The inter relation and arrangement of polypeptides in a protein with more than 2 polypeptide chains