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WorksheetsQuiz series - biochem
Total questions: 16
Worksheet time: 8mins
One of the following vitamins is synthesized by bacteria in the intestine
Vitamin A
Vitamin K
Vitamin D
Vitamin E
The catalytic efficiency of two different enzymes can be compared by the
Formation of product
Km value
Molecular size of enzymes
pH of optimum value
Zymogen is
Enzyme poison
Enzyme modulator
Enzyme precursor
Enzyme inhibitor
Which of the following is not the precursor of gluconeogenesis?
Glycolytic products
Citric acid cycle intermediates
Glucogenic amino acids
Lysine or leucine
Which of the following hormone maintain blood glucose level by activation of gluconeogenesis?
Nor epinephrine
Glucagon
Insulin
Epinephrine
Which of the following hormone maintain blood glucose level by activation of gluconeogenesis?
Nor epinephrine
Glucagon
Insulin
Epinephrine
which of the following is used to reduce intracranial tension by forced diuresis?
Glucose
Glucagon
Rubulose
Mannitol
Vit D activating enzyme in kidney?
2-alpha-hydroxylase
1-alpha hydroxylase
1,2 alpha hydroxylase
1,25-alpha hydroxylase
A 78-year-old male was brought to an emergency with difficulty in passing urine and weight loss. The attending urologist suspected carcinoma prostate. Which of the following molecular marker would help in the confirmation of diagnosis?
Carcinoembryonic antigen (CEA)
Alpha-fetoprotein (AFP)
Tissue-specific antigen
Alkaline phosphatase
Lipoprotein involved in reverse cholesterol transport
LDL
VLDL
Chylomicron
HDL
Guardian angel of genome
P53 gene
P19 gene
P17 gene
P43 gene
All the following statements are correct regarding tertiary structure of proteins except?
it is the three-dimensional organization of a protein.
disulfide bonds also help in stabilizing its structure.
native proteins acquire a tertiary structure that is thermodynamically more stable.
it is primarily maintained by covalent interactions.
Which of the following is false regarding collagen?
A. Type I collagen is the most abundant collagen in the body
It is the most abundant protein in the body.
The triple helices show a quarter staggered arrangement.
Every third amino acid is alanine.
A diabetic patient had a meal at 9 p.m. and recorded blood glucose at 8 a.m. on the next day, which was 182 mg per deciliter. What is the source of glucose in this patient?
Dietary glucose
Hepatic glycogenolysis.
Hepatic gluconeogenesis
Muscle glycogenolysis
Which of the following is true regarding non-competitive inhibition?
Constant Kmand decreased Vmax
Constant Km and increased Vmax
Decreased Km and decreased Vmax
Decreased Km and increased Vmax
Which of the following correctly defines isoenzymes?
forms of the same enzyme that catalyse different reaction
forms of the same enzyme that catalyse same reaction
forms of the different enzymes that catalyse different reaction
forms of the different enzymes that catalyse same reaction
