#4301
Structure and function of protein
NEET PG 2027 Medical QBank
Biochemistry Practice MCQs
Browse 8,805 high-yield clinical questions in Biochemistry. Includes detailed explanations, options, and topic tags.
#4302
General
Co enzyme for dopa decarboxylase?
#4303
Metabolism of nucleic acids
DNA repair defects are seen in
#4304
General
Which of the following is TRUE about the liver enzymes which are responsible for dephosphorylation and phosphorylation?
#4305
Metabolism of nucleic acids
During replication of DNA, which one of the following enzymes polymerizes the Okazaki fragments?
#4306
General
Richard Hanha syndrome is caused by defective metabolism of:
#4307
Respiratory chain
The number of ATPs generated in Krebs cycle are
#4308
Metabolism of nucleic acids
Which of the following statements describing restriction endonucleases is true?
#4309
Mechanisms of Enzyme Action
Pyruvate dehydrogenase requires -
#4310
Proteins and Amino Acids
In hemoglobin the innate affinity of heme for carbon monoxide is diminished by the presence of
#4311
General
RNA which contains codon for speicific amino acid ?
#4312
General
In a centrifugal distribution, protein that is precipitated first is:
#4313
Enzymes
Digestive enzymes are
#4314
General
Which of the following combinations of biologically active molecules does vitamin A consists of
#4315
General
All of the following are essential aminoacids except:
#4316
Enzymes
Zymogen activation by paial proteolysis is an example of
#4317
General
Mineralocoicoid receptors are present in all of thefollowing sites, Except:
#4318
TCA Cycle
First substrate of Kreb's cycle is:
#4319
Carbohydrates
A patient with type 1 diabetes self-injected insulin prior to their evening meal, but then was distracted and forgot to eat. A few hours later, the individual fainted, and after the paramedics arrived, they did a STAT blood glucose level and found it to be 45 mg/dL. The blood glucose level was so low because which one of the following tissues assimilated most of it under these conditions?
#4320
General
Which of the following tests is not used for detection of specific aneuploidy?
#4321
General
What is involved in formation of d-TMP from d- UMP?
#4322
Metabolism of protein and amino acid
Hemoprosthetic group is found in
#4323
General
Kinases require:
#4324
Metabolism of protein and amino acid
Phenylketonuria is caused by deficiency of
#4325
General
Which coenzyme is responsible for carboxylation reaction
#4326
General
Metabolites of tryptophan can give rise to all of the following except
#4327
General
Which among the following is NOT a coenzyme of pyruvate dehydrogenase during the decarboxylation of pyruvate?
#4328
Metabolism of lipid
Essential fatty acids
#4329
General
Function of mitochondrial DNA ?
#4330
General
Which of the following amino acids would most likely be found on the surface of a protein molecule?
#4331
General
Antioxidant propey is seen in ?
#4332
General
UDP glucose is not used in ?
#4333
General
True about telomerase or telomere is/area) They are present at the ends of eukaryotic chromosomeb) Increased telomerase activity favours cancer cellsc) DNA dependent RNA polymerased) DNA polymerase
#4334
General
Conversion of phenylalanine to tyrosine is hampered in ?
#4335
Miscellaneous (Bio-Chemistry)
A 23-year-old female patient presents to the emergency room (ER) with a feeling of being unable to catch her breath, light-headedness, and "tingling" of her fingers, toes, and around her mouth. This happens whenever she drives through a tunnel and that is what set off this episode. Which of the following arterial blood pH would be most consistent with her diagnosis?
#4336
General
Which of the following enzyme uses zinc as a cofactor for its biochemical functions?
#4337
Metabolism of protein and amino acid
A sick child laboratory test reveal low white blood count,metabolic acidosis,increased anion gap,mild hyperammonemia.Measurements of plasma amino acids reveal elevated glycine and measurement of urinary organic acids reveals increased amounts of propionic acid and methyl citrate. which of the following processes is most likely?
#4338
Endocrinology
The active transport of 'Ca' is regulated by _______ which is synthesized in kidneys:
#4339
Miscellaneous (Bio-Chemistry)
Iron in heme is linked to globin through
#4340
HAEM synth and porphyrias
Amino acid present in Glutathione peroxidase:
#4341
General
strand Hydrophobic amino acid is ?
#4342
General
PKU is a congenital amino acid metabolic disorder. In one of the following rare variants of PKU Dihydro Biopterin synthesis is affected. The enzyme deficient is:
#4343
General
A codon consists of
#4344
miscellaneous
Rate limiting step in gluconeogenesis
#4345
Metabolism of nucleic acids
DNA proof reading and repair is done by
#4346
General
Refsum's disease is due to deficiency of which of the following enzyme?
#4347
General
Which of the following is considered the regulated step in steroid hormone synthesis in the zona fasciculata?
#4348
Chemistry of Lipids
Which of the following is not a component of triglycerides?
#4349
Proteins and Amino Acids
The conjugation of bilirubin to glucuronic acid in the liver;
#4350
General