#1101
Carbohydrates
NEET PG 2027 Medical QBank
Biochemistry Practice MCQs
Browse 8,805 high-yield clinical questions in Biochemistry. Includes detailed explanations, options, and topic tags.
#1102
General
Inulin like fructans are used as prebiotics as they are non digestible. Resistance to digestion in the upper GI tract results from:
#1103
General
Hormone-sensitive lipase is not activated by
#1104
General
A male, 55 years old is brought to the clinic in unconscious condition. The patient is a Type 2 diabetic since 15 years. General examination reveals RBS levels 268 mg/dl. Blood and Urine samples confirm the presence of ketone bodies. Which of the following substances found raised in this patient blood is volatilized by lungs?
#1105
Respiratory chain
Instant energy to muscle is provided by which pathway
#1106
Fatty acid and synthesis
Which of the following is not a component of fatty acid synthase complex:
#1107
Vitamins
Vitamin A is present in all EXCEPT:
#1108
General
An individual lacking the enzyme tyrosinase would be paicularly predisposed to develop which of the following?
#1109
General
During DNA replication which bond breaks:
#1110
Amino Acid Metabolic Disorder
In Phenylketonuria the main aim of first line therapy is:
#1111
General
After overnight fasting, levels of glucose transpoers are reduced in-
#1112
General
Which of the following is not true regarding Nested PCR
#1113
Respiratory chain
Mitochondrial membrance protein contain transpoer of
#1114
Carbohydrates
Heparin is a:
#1115
Proteins and Amino Acids
Mental retardation is a clinical feature of:
#1116
General
Muscles are not involved in which glycogen storage disease-
#1117
General
A 15 year old female patient presents with pain in the calf muscles on exercise. Routine investigation reveals burgundy-colored urine (sample obtained after exercise). Histopathology of mucle shows deposits of glycogen in an excess amount. Which of the following treatment modality should not be followed in this patient?
#1118
General
A 9-year-old child in a developing country is brought to a clinic by his parents because he has trouble keeping up with his classmates on the playground. Physical examination is remarkable for pulmonary rales. Chest x-ray shows biventricular dilation of the hea. Deficiency of which of the following vitamins is the most likely cause of this child's condition?
#1119
Enzymes
Which enzyme joins two substrates-
#1120
General
Frame shift mutation causes ?
#1121
Mutations & Codons
Sta codon is:
#1122
Metabolism of nucleic acids
Gout is a metabolic disorder of
#1123
General
A condon consists of -
#1124
Lipids
Products of Phospholipase C are -
#1125
Metabolism of nucleic acids
Nohern blotting is used for analysis of
#1126
Vitamins and Minerals
The active form of vitamin A is:
#1127
General
Which of the following is a component of the visual pigment rhodopsin
#1128
Proteins and Amino Acids
All of the following amino acids forms Acetyl CoA via pyruvate dehydrogenase except:
#1129
Techniques in molecular biology
Real-time PCR is used for:
#1130
General
A 5 year old boy presents with hepatomegaly, hypoglycaemia & ketosis. The diagnosis is
#1131
General
None Not seen in alpha helix ?
#1132
Vitamins and Minerals
In vitamin B12 deficiency, folate is trapped in the form of
#1133
Enzyme Specificity and Allosteric Regulation
Allosteric inhibition of an enzyme is -
#1134
General
The enzyme not present in the skeletal muscles :
#1135
General
Allosteric stimulator of glycogen synthase -
#1136
Glycogen
Why is Glucose-6-phosphate is not acted upon by Glucose-6-phosphatase enzyme in cytoplasm, even if glycogen synthesis and breakdown takes place in the same cell, having an enzymes present in cytoplasm.
#1137
Amino Acids Basics
Tryptophan is glucogenic & ketogenic by producing -
#1138
General
Which radioisotope labeled molecule is used to find out rate of DNA synthesis?
#1139
General
Amino acid absorption is by-
#1140
All India exam
ratelimiting enzyme in fatty acid synthesis ?
#1141
General
Sequence of events in glycogenolysis?
#1142
Structure and function of protein
Hydrophobic amino acid is
#1143
HMP Shunt Pathway, Fructose, Galactose Metabolism
NADPH is produced by -
#1144
nutrition and digestion
Iron overload
#1145
Respiratory chain
A 48-year-old right-handed man was admitted with a 3-day history of brief generalised tonic-clonic seizures,muscle weakness, a 3-month history of weight loss with increasing difficulty in eating and a 1-week history of word finding difficulties and speech apraxia with reduced fine motor skills.He had a diagnosis of type 2 diabetes mellitus, epilepsy and a history of a left temporal lobe infarct 3 years ago. MRI of the brain showing bilateral coical-based signal abnormality with associated oedema, with corresponding diffusion hyperintensity. MR spectroscopy showing a lactate doublet peak. HPE of muscle biopsy was shown below.What is the most probable diagnosis?
#1146
Molecular Genetics
A mutation in the codon which causes a change in the coded amino acid, is known as:
#1147
Respiratory Chain
Which of the following is an example of uncoupler -
#1148
General
All are true about chaperones except ?
#1149
Lipids
The first lipoprotein to increase in concentration in the blood after ingestion of 400 g of jellybeans (carbohydrate) is
#1150
General