#3251
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.
#3252
General
All are used in gluconeogenesis except ?
#3253
General
Enzymes increase reaction rates by
#3254
General
All of the following metabolic changes occur during prolonged fasting when compared with fasting for 12-24 hours, except:
#3255
Metabolism of lipid
Metachromatic leukodystrophy is due to deficiency of
#3256
General
Fireflies produce light due to:
#3257
Enzymes
Metastasis of cancer has its roots in structural abnormalities of
#3258
Glycogen Metabolism and Glycogen Storage
Which of the following enzyme is absent in muscle?
#3259
General
Trypsin cleavesa) Arginineb) Glutamatec) Lysined) Proline
#3260
General
A young boy who has difficulty in getting up from sitting position was diagosed to have Duchene's muscular dystrophy. Which one is true regarding the mutation in the dystrophin gene in promoter region
#3261
Vitamins and Minerals
Hypervitaminosis E leads to:
#3262
General
Apa from occurring in nucleic acids, pyrimidines are also found in:
#3263
Enzyme basics and serine proteases
Glycogen phosphorylase is a:
#3264
General
Which of the following enzymes require NAD as cofactor?
#3265
General
Amino acid connot be used for glycogen synthesis
#3266
Biological Function of Proteins
Defective proteins are degraded after attaching covalently to -
#3267
Amino Acid Metabolic Disorder
Brain damage in phenylketonuria is due to accumulation of-
#3268
Enzyme basics and serine proteases
Histidine is present at the catalytic site of which of the following enzymes
#3269
Carbohydrates
Products of HMP shunt are all except:
#3270
Respiratory chain
In vivo control of citric cycle is affected by
#3271
Transcription
True about RNA Polymerase is:
#3272
Lipids
Reverse cholesterol transport is done by:
#3273
Proteins and Amino Acids
A medical student has been exposed to a patient with tuberculosis and developed a positive tuberculin test (PPD) but exhibited a normal chest X-ray. Fie is placed on a 6-month course of prophylactic treatment, but subsequently develops peripheral neuropathies. Which one of the following vitamins would be considered a treatment for the neurotoxicity?
#3274
HAEM synth and porphyrias
All of the following are hepatic porphyrias, EXCEPT:
#3275
General
Alpha oxidation of dietary phytanic acid takes place in which of the following cell structures?
#3276
Metabolism of carbohydrate
Oxaloacetate is formed from
#3277
General
Which is predominant in normal healthy human -
#3278
General
Nitrogen-9 of purine ring is provided by ?
#3279
Molecular Biology Techniques
Test to differentiate the chromosome of normal and cancer cells:
#3280
General
Which amino acid is not present in creatine
#3281
General
Which of the following is a member of ω9 family?
#3282
Basics of DNA
Type of bond seen between the phosphate group and 5' carbon of ribose sugar within a nucleotide is:
#3283
Enzyme Kinetics
Non-competitive enzyme inhibition leads to: (PGI Nov 2010)
#3284
General
Which RNA has highest percentage of modified bases
#3285
Amino Acid Metabolism
Melatonin is derived from -
#3286
General
Following organelles are involved in the formation of Nglycosylated product:
#3287
Enzymes
Coenzyme, in an enzymatic reaction usually functions to
#3288
Biosynthesis of Fatty Acids and Eicosanoids
True about bile acids is?
#3289
General
Metabolism of the following amino acid give rise to an intermediate product, FIGLU:
#3290
General
Molecular interaction, found in the structure ofDNA -
#3291
General
Cytoplasmic process during processing is
#3292
General
Gamma carboxylation of glutamic acid in clotting factor II, VII and protein C is dependent on
#3293
General
The sequence that targets protein to lysosmoes
#3294
vitamins
Which of the following vitamins serves as a cofactor in carboxylation reactions?
#3295
vitamins
Vitamin which is excreted in urine is
#3296
General
Number of ATP generated in one TCA cycle ?
#3297
General
A 72-year-old woman, in otherwise good health, presents with megaloblastic anemia. Careful evaluation reveals a folate deficiency as the cause of the anemia. Assuming the folate deficiency is due to dietary causes, which of the following is the most likely problem?
#3298
Metabolism of carbohydrate
G-6-PD deficiency causes
#3299
General
All are antioxidant except ?
#3300
Proteins and Amino Acids