Which of the following is not a post transcriptional modification of RNA ?
A. Splicing
B. 5′ capg
C. 3′ polyadenylation
D. Glycosylation
Medical Mcqs
Thyroxine and catecholamines are derived from_____________?
Thyroxine and catecholamines are derived from_____________?
A. Tyrosine
B. Tryptophan
C. Alanine
D. Leucine
In Hartnup’s disease _______ is excreted in the urine?
In Hartnup’s disease _______ is excreted in the urine?
A. Ornithine
B. Glutamine
C. Tryptophan
D. Phenylalanine
Which of the following is not a part of hemoglobin molecule___________?
Which of the following is not a part of hemoglobin molecule___________?
A. Pyrrole rings
B. Vinyl groups
C. Histidine
D. Ferric ions
Proteins are absorbed from GIT as_____________?
Proteins are absorbed from GIT as_____________?
A. Amino acids
B. Peptides
C. Peptones
D. All of the above
Which of the following is a precursor of protoporphyrin_______________?
Which of the following is a precursor of protoporphyrin_______________?
A. Alanine
B. Leucine
C. Histidine
D. Glycine
Cytochromes are_____________?
Cytochromes are_____________?
A. Pyridine nucleotides
B. Riboflavin containing nucleotides
C. Metal containing flavoproteins
D. Iron-porphyrin proteins
Heme in haemoglobin is____________?
Heme in haemoglobin is____________?
A. Between Helix C and D
B. Surrounded by non polar environment
C. Bonded to E7 histidine
D. Protoporophyrin IX
Which of the following is correct about breakdown of hemoglobin (Hb)_____________?
Which of the following is correct about breakdown of hemoglobin (Hb)_____________?
A. Hb→Heme→bilirubin→Urobilinogen
B. Heme→Hb→Biliverdin→Urobilinogen
C. Hb→Heme→Bilverdin→Uro bilinogen
D. Hb→Heme→bilirubin→Urobilinogen→Biliverdin
Creatine is formed metabolically from______________?
Creatine is formed metabolically from______________?
A. Tryptophan
B. Arginine
C. Phenylalanine
D. Histidine