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Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

All Topics  5254

The protein rich in basic amino acids, which functions in the packaging of DNA is chromosomes is______________?
A Histone
B Collagen
C Hyaluronic acid binding protein
D Fibrinogen
Correct Answer: Histone
Which of the following is not a post transcriptional modification of RNA ?
A Splicing
B 5′ capping
C 3′ polyadenylation
D Glycosylation
Correct Answer: Glycosylation
Thyroxine and catecholamines are derived from_____________?
A Tyrosine
B Tryptophan
C Alanine
D Leucine
Correct Answer: Tyrosine
In Hartnup’s disease _______ is excreted in the urine?
A Ornithine
B Glutamine
C Tryptophan
D Phenylalanine
Correct Answer: Tryptophan
Which of the following is not a part of hemoglobin molecule___________?
A Pyrrole rings
B Vinyl groups
C Histidine
D Ferric ions
Correct Answer: Ferric ions
Proteins are absorbed from GIT as_____________?
A Amino acids
B Peptides
C Peptones
D All of the above
Correct Answer: Amino acids
Which of the following is a precursor of protoporphyrin_______________?
A Alanine
B Leucine
C Histidine
D Glycine
Correct Answer: Glycine
Cytochromes are_____________?
A Pyridine nucleotides
B Riboflavin containing nucleotides
C Metal containing flavoproteins
D Iron-porphyrin proteins
Correct Answer: Iron-porphyrin proteins
Heme in haemoglobin is____________?
A Between Helix C and D
B Surrounded by non polar environment
C Bonded to E7 histidine
D Protoporophyrin IX
Correct Answer: Protoporophyrin IX
The product of oxidation of odd chainfatty acids is______________?
A Aceto acetyl CoA
B Malonyl CoA
C Propionyl CoA
D Fumaryl CoA
Correct Answer: Propionyl CoA
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