#4151
Primary Structure of Proteins
NEET PG 2027 Medical QBank
Biochemistry Practice MCQs
Browse 8,805 high-yield clinical questions in Biochemistry. Includes detailed explanations, options, and topic tags.
#4152
General
Telomerase is ?
#4153
Miscellaneous (Bio-Chemistry)
In blood buffers Bicarbonates buffers is ideal why?
#4154
General
Same aminoacid is coded by multiple codons due to following
#4155
Vitamins and Minerals
Vitamin essential for transamination is:
#4156
General
Carbamoyl group of carbamoyl phosphate is derived from ?
#4157
vitamins
The only water-soluble vitamin stored in the body
#4158
Vitamins
Which of the following is not required for healing -
#4159
vitamins
Major form of folic acid to transfer one carbon is
#4160
DNA Replication
Function of Helicase is -
#4161
NEET Jan 2020
Which absorbs least water?
#4162
General
A 2 year old retarded child is evaluated by a metabolic specialist. The child's history is significant for failure to thrive and progressive neurologic deterioration, including deafness and blindness. Physical examination is remarkable for hepatosplenomegaly, as well as a cherry-red spot on funduscopic examination. These symptoms are consistent with a diagnosis of?
#4163
Proteins and Amino Acids
All of the following are derivatives of tryptophan EXCEPT:
#4164
General
The reaction : Acetoacetyl CoA + succinate → succinyl CoA+acetoacetate occurs in all of the following except
#4165
Phospholipids, Glycolipids and their disorders
Lysosomal accumulation of sphingomyeline is seen in-
#4166
General
Which among the following amino acid is heterocyclic in structure?
#4167
General
The most impoant source of reducing equivalents for fatty acid synthesis in the liver is:
#4168
General
Null mutation is :
#4169
General
Lipid soluble plasma membrane associated antioxidant?
#4170
Metabolism of carbohydrate
Which of the following is required to bring about gluconeogenesis from pyruvate?
#4171
Metabolism of carbohydrate
Coris disease is due to defect in
#4172
Metabolism of nucleic acids
Human genome contains --- base pairs
#4173
Metabolism of lipid
A child presents with hypotonia and seizures. It was confirmed to be cerebrohepatorenal syndrome. Which of the following is accumulated in the brain in cerebrohepatorenal syndrome?
#4174
Phenylalanine and Tyrosine metabolism Detail
Phenylalanine is degraded into
#4175
General
McArdle’s disease is caused due to deficiency of
#4176
Proteins and Amino Acids
2,4 Dinitrophenol is formed from?
#4177
Respiratory Chain
A scientist was studying the electron transport chain and developed a compound that bound to all the cytochromes in the proteins of the electron transport chain. Once bound, the compound blocked electron acceptance by the iron in the heme group of the cytochrome. Which one of the following would be most likely to occur in the presence of an oxidizable substrate?
#4178
General
Xeroderma pigmentation is caused due to a group of closely related abnormalities in:
#4179
Metabolism of carbohydrate
A middle aged woman on oral contraceptives for many years, developed neurological symptoms such as depression, irritability, nervousness and mental confusion. Her hemoglobin level was 8g/dl. Biochemical investigations revealed that she was excreting highly elevated concentrations of xanthurenic acid in urine. She also showed high levels of triglycerides and cholesterol in serum. All of the above findings are most probably related to vitamin B6 deficiency caused by prolonged oral contraceptive use except :
#4180
Carbohydrates
All of the following enzymes catalyze irreversible steps in glycolysis EXCEPT:
#4181
Glycogen
In glycogen metabolism, a metabolically active impoant enzyme found in liver is conveed from it's inactive dephosphorylated state to it's active phosphorylated state. Which of the following is true about this enzyme:
#4182
General
Which of the following vitamin is excreted in urine when there is increased consumption than the daily requirement?
#4183
miscellaneous
Collagen of which type is found in hyaline cailage
#4184
Metabolism of carbohydrate
GAG affected in Sanfilippo syndromes is
#4185
Glycolysis
Enolase is inhibited by -
#4186
General
Low-density lipoproteins (LDL) represents a final stage in the catabolism of VLDL. Which of the following receptors are present in liver for uptake of LDL?
#4187
General
The genetic defect in Refsum's disease lies in
#4188
NEET 2019
Which of the following is not the source of cytosolic NADPH:-
#4189
General
Free fatty acids are transpoed by :
#4190
General
Normal uric acid level is ?
#4191
General
Proteins are stored by
#4192
Mechanisms of Enzyme Action
Which one of the following is lyase enzyme?
#4193
Lipid Oxidation and Synthesis
Rate limiting enzyme in fatty acid synthesis -
#4194
Proteins and Amino Acids
Guanido acetic acid is formed in.... from....
#4195
Enzymes
Following is true statement about enzymes
#4196
General
Poly 'A' tail attached at 3' end of mRNA helps in?
#4197
Nutrition & Digestion
Cardiomyopathy is due to deficiency of:
#4198
Chemistry of Nucleotides
In DNA, Cytosine is paired with -
#4199
Metabolism of nucleic acids
Proteins are soed by
#4200
Vitamins and Minerals