#2601
General
NEET PG 2027 Medical QBank
Biochemistry Practice MCQs
Browse 8,805 high-yield clinical questions in Biochemistry. Includes detailed explanations, options, and topic tags.
#2602
Nutrition & Digestion
Toxicity of ethanol is due to:
#2603
Carbohydrates
Glucose transporter in myocyte stimulated by insulin is:
#2604
Amino Acids Basics
Purely glucogenic amino acid -
#2605
General
Which dissacharies are not broken down in git ?
#2606
Metabolism of nucleic acids
Which of the following bond is preserved during denaturation of proteins?
#2607
Classification and metabolism of amino acids
Order of increasing polarity: A. Alanine B. Valine C. Glycine D. Isoleucine
#2608
General
Amino acid with double chiral is ?
#2609
Biosynthesis of Fatty Acids and Eicosanoids
Carnitine helps in -
#2610
General
Which of the following enzymic activities would you expect to be decreased in thiamine deficiency?
#2611
General
What is the respiratory quotient for a carbohydrate meal
#2612
Urea cycle
THEME AND FOCUS: AMINO ACIDS Case Study: A female neonate did well until approximately 24 hours of age when she became lethargic. A sepsis workup proved negative. At 54 hours, she staed showing focal seizure activity. The plasma ammonia level was found to be 1,000 mmol/L (normal 5-35 mmol/L). Quantitative plasma amino acid levels revealed a marked elevation of argininosuccinate. Lead Question: Which one of the following enzymic activities is most likely to be deficient in this patient?
#2613
Metabolism of protein and amino acid
All are aromatic amino acids except
#2614
miscellaneous
Peroxidase enzyme is used in estimating
#2615
General
Okazaki segments are required for :
#2616
Enzymes
Which one of the following enzyme is used as an anti-cancer drug
#2617
NEET 2018
Nitric oxide is synthesized from which amino acid:-
#2618
General
Transition mutation of GATCCT is
#2619
General
Poly(A) tail translates into:
#2620
Vitamins
PLP is the coenzyme form of which vitamin -
#2621
General
Deficiency of vitamin A causes the following except:
#2622
Metabolism of carbohydrate
Enzymes in glycogen metabolism
#2623
Metabolism of nucleic acids
RNA polymerase does not require
#2624
Proteins and Amino Acids
Phenylketonuria is due to the deficiency of:
#2625
General
Which of the following will be elevated in the bloodstream about 4 hours after a fat-rich meal?
#2626
Respiratory Chain
What is the principle of the given test for Urine reducing substance?
#2627
General
A 30 year old female patient complains of cough with sputum. Patient is a known case of tuberculosis and is on rifampin for the same. All of the following are true about this drug EXCEPT-
#2628
NEET 2018
True regarding PKU is all except:-
#2629
vitamins
1st product of tryptophan catabolism is
#2630
General
Which vitamin is also antioxidant
#2631
Molecular Genetics
Following are required for PCR except:
#2632
Metabolism of carbohydrate
The activity of pyruvate carboxylase is dependent upon the positive allosteric effector
#2633
vitamins
Vitamin K is involved in post-translation modification of
#2634
Proteins and Amino Acids
Nitric oxide is synthesized from which Amino acid
#2635
General
In a hemoglobin molecule which of the following is a homologous substitution for valine?
#2636
Endocrinology
Insulin receptors are
#2637
Molecular Genetics
Sickle cell anemia is the clinical manifestation of homozygous gene to an abnormal haemoglobin molecule. The event responsible for the mutation in the b chain is:
#2638
miscellaneous
Mucopolysaccharidoses are caused by
#2639
General
What supplies ammonia to liver ?
#2640
Vitamins and Minerals
Endogenous production of Niacin is from
#2641
Urea cycle
Which intermediate of citric acid cycle is used in detoxification of ammonia in brain?
#2642
Proteins and Amino Acids
Flow cytometry analysis is done for:
#2643
General
Hydroxylation of peptidyl prolyl residues in collagen require:
#2644
General
DNA estimation can be done by
#2645
Miscellaneous (Structure & Function of Proteins)
Keratin contains -
#2646
Galactose and fructose metabolism
THEME AND FOCUS: METABOLISM OF CARBOHYDRATES Case Study: A 3 year old boy was brought to the emergency depament after several episodes of vomiting and lethargy. He was also found to have hypoglycemia. His pediatrician was concerned about possible hepatic failure along with recurrent episodes of vomiting and lethargy. After a careful history, it was observed that these episodes occur after ingestion of sweets or fruits. Lead Question: What is the most likely diagnosis?
#2647
General
Mineral present in Vit B12 is:
#2648
Glycogen
On exercise testing, a patient with McArdle disease exhibit:
#2649
General
The following is inhibitory agent in neuron:
#2650
Gluconeogenesis