The protein moiety of lipoprotein is known as (A) Apoprotein (B) Pre-protein (C) Post-protein (D) Pseudoprotein

The protein moiety of lipoprotein is known as (A) Apoprotein (B) Pre-protein (C) Post-protein (D) Pseudoprotein
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The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA

Description : The genetic code operates via (A) The protein moiety of DNA (B) The base sequences of DNA (C) The nucleotide sequence of mRNA (D) The base sequence of tRNA

Last Answer : Answer : C

The genetic code operates through (A) The protein moiety of DNA (B) Cistrom of DNA (C) Nucleotide sequence of m RNA (D) The anticodons of tRNA

Description : The genetic code operates through (A) The protein moiety of DNA (B) Cistrom of DNA (C) Nucleotide sequence of m RNA (D) The anticodons of tRNA

Last Answer : Answer : C

Ferritin is (A) Coenzyme (B) One of the component of photophosphorylation (C) It is the stored form of iron (D) Non-protein moiety

Description : Ferritin is (A) Coenzyme (B) One of the component of photophosphorylation (C) It is the stored form of iron (D) Non-protein moiety

Last Answer : Answer : C

The main product of glycolysis under aerobic conditions is a. Pyruvate b. Lactate c. None of these d. Both a and b Ans: A 2. The protein moiety of an enzyme is known as a. Holo enzyme b. Apo enzyme c. Co enzyme d. Enzyme

Description : The main product of glycolysis under aerobic conditions is a. Pyruvate b. Lactate c. None of these d. Both a and b Ans: A 2. The protein moiety of an enzyme is known as a. Holo enzyme b. Apo enzyme c. Co enzyme d. Enzyme

Last Answer : Ans: B

The compound which has the lowest density is (A) Chylomicron (B) β-Lipoprotein (C) α-Lipoprotein (D) pre β-Lipoprotein

Description : The compound which has the lowest density is (A) Chylomicron (B) β-Lipoprotein (C) α-Lipoprotein (D) pre β-Lipoprotein

Last Answer : Answer : A

Abetalipoproteinaemia occurs due to a block in the synthesis of (A) Apoprotein A (B) Apoprotein B (C) Apoprotein C (D) Cholesterol

Description : Abetalipoproteinaemia occurs due to a block in the synthesis of (A) Apoprotein A (B) Apoprotein B (C) Apoprotein C (D) Cholesterol

Last Answer : Answer : B

What is the main apoprotein present in HDL?

Description : What is the main apoprotein present in HDL?

Last Answer : Apo A-1, it is the ligand for HDL receptor.

What is the main apoprotein present in LDL?

Description : What is the main apoprotein present in LDL?

Last Answer : B100, it is the ligand for LDL receptor.

What is the main apoprotein present in chylomicron.

Description : What is the main apoprotein present in chylomicron.

Last Answer : B48. 

Lecithins combine with protein to form (A) Phosphoprotein (B) Mucoprotein (C) Lipoprotein (D) Glycoprotein

Description : Lecithins combine with protein to form (A) Phosphoprotein (B) Mucoprotein (C) Lipoprotein (D) Glycoprotein

Last Answer : Answer : C

Free fatty acids are transported in the blood (A) Combined with albumin (B) Combined with fatty acid binding protein (C) Combined with β -lipoprotein (D) In unbound free salts

Description : Free fatty acids are transported in the blood (A) Combined with albumin (B) Combined with fatty acid binding protein (C) Combined with β -lipoprotein (D) In unbound free salts

Last Answer : Answer : A

The sugar moiety present in DNA is (A) Deoxyribose (B) Ribose (C) Lyxose (D) Ribulose

Description : The sugar moiety present in DNA is (A) Deoxyribose (B) Ribose (C) Lyxose (D) Ribulose

Last Answer : Answer : A

The sugar moiety present in RNA is (A) Ribulose (B) Arabinose (C) Ribose (D) Deoxyribose

Description : The sugar moiety present in RNA is (A) Ribulose (B) Arabinose (C) Ribose (D) Deoxyribose

Last Answer : Answer : C

Folate as a coenzyme is involved in the transfer and utilization of (A) Amino group (B) Hydroxyl group (C) Single carbon moiety (D) Amido group

Description : Folate as a coenzyme is involved in the transfer and utilization of (A) Amino group (B) Hydroxyl group (C) Single carbon moiety (D) Amido group

Last Answer : Answer : C

Carbohydrate moiety in cerebrosides is (A) Glucose (B) Sucrose (C) Galactose (D) Maltose

Description : Carbohydrate moiety in cerebrosides is (A) Glucose (B) Sucrose (C) Galactose (D) Maltose

Last Answer : Answer : B

Transfer of the carbamoyl moiety of carbamoyl phosphate to ornithine is catalysed by a liver mitochondrial enzyme: (A) Carbamoyl phosphate synthetase (B) Ornithine transcarbamoylase (C) N-acetyl glutamate synthetase (D) N-acetyl glutamate hydrolase

Description : Transfer of the carbamoyl moiety of carbamoyl phosphate to ornithine is catalysed by a liver mitochondrial enzyme: (A) Carbamoyl phosphate synthetase (B) Ornithine transcarbamoylase (C) N-acetyl glutamate synthetase (D) N-acetyl glutamate hydrolase

Last Answer : Answer : B

A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the following? a. Increased glucose uptake and increased glycogen breakdown occur in this circumstance. b. Suppressed activity of lipoprotein lipase results from TNFa c. TNFa stimulates lipolysis d. The differentiation process of pre-adipocytes is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Description : A 65-year old patient has colon carcinoma metastatic to the liver and lungs. He has had a weight loss of 10 kg. Cytokine-dependent tumor cachexia is attributable to which of the ... is impaired e. Partial reversal of differentiated adipocytes to pre-adipocyte morphology and gene expression occurs

Last Answer : Answer: a, b, c, d, e Tumor cachexia appears to be mediated by TNFa. Lipopolysaccharide (LPS), as well as other cytokines, activate a variety of inflammatory cells, most ... chronic syndromes of anorexia, weight loss, and cachexia that are associated with both chronic infection and malignancy

Plasma membrane in eukaryotic cells is made up of - (1) Phospholipid (2) Lipoprotein (3) Phospholipo-protein (4) Phospho-protein

Description : Plasma membrane in eukaryotic cells is made up of - (1) Phospholipid (2) Lipoprotein (3) Phospholipo-protein (4) Phospho-protein

Last Answer : (1) Phospholipid Explanation: The cell membrane or plasma membrane is a biological membrane that separates the interior of all cells from the outside environment. The cell membrane is selectively permeable ... . The basic function of the cell membrane is to protect the cell from its surroundings.

Plasma membrane in eukaryotic cells is made up of (1) Phospholipid (2) Lipoprotein (3) Phospholipo-protein (4) Phospho-protein

Description : Plasma membrane in eukaryotic cells is made up of (1) Phospholipid (2) Lipoprotein (3) Phospholipo-protein (4) Phospho-protein

Last Answer : Phospholipid

The immediate parent of α, β and γ endorphins is (A) Pro-opiomelanocortin (B) β-lipotropin (C) ATCH (D) Lipoprotein

Description : The immediate parent of α, β and γ endorphins is (A) Pro-opiomelanocortin (B) β-lipotropin (C) ATCH (D) Lipoprotein

Last Answer : Answer : B

An important zinc containing enzyme is (A) Carboxypeptidase A (B) Isocitrate dehydrogenase (C) Cholinesterate (D) Lipoprotein lipase

Description : An important zinc containing enzyme is (A) Carboxypeptidase A (B) Isocitrate dehydrogenase (C) Cholinesterate (D) Lipoprotein lipase

Last Answer : Answer : A

‘Clearing factor’ is (A) Lipoprotein lipase (B) Crotonase (C) 7-dehydro cholesterol (D) β-sitosterol

Description : ‘Clearing factor’ is (A) Lipoprotein lipase (B) Crotonase (C) 7-dehydro cholesterol (D) β-sitosterol

Last Answer : Answer : A

Correct ordering of lipoprotein molecules from lowest to the greater density is (A) LDL, IDL, VLDL, chylomicron (B) Chylomicron, VLDL, IDL, LDL (C) VLDL, IDL, LDL, chylomicron (D) LDL, VLDL, IDL, chylomicron

Description : Correct ordering of lipoprotein molecules from lowest to the greater density is (A) LDL, IDL, VLDL, chylomicron (B) Chylomicron, VLDL, IDL, LDL (C) VLDL, IDL, LDL, chylomicron (D) LDL, VLDL, IDL, chylomicron

Last Answer : Answer : B

The major source of extracellular cholesterol for human tissue is (A) Very low density lipoprotein (B) High density lipoprotein (C) Low density lipoprotein (D) Albumin

Description : The major source of extracellular cholesterol for human tissue is (A) Very low density lipoprotein (B) High density lipoprotein (C) Low density lipoprotein (D) Albumin

Last Answer : Answer : C

The principal action of insulin in adipose tissue is to inhibit the activity of the (A) Hormone sensitive lipoprotein lipase (B) Glycerol phosphate acyltransferase (C) Acetyl-CoA carboxylase (D) Pyruvate dehydrogenase

Description : The principal action of insulin in adipose tissue is to inhibit the activity of the (A) Hormone sensitive lipoprotein lipase (B) Glycerol phosphate acyltransferase (C) Acetyl-CoA carboxylase (D) Pyruvate dehydrogenase

Last Answer : Answer : A

A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase

Description : A non-functional plasma enzyme is (A) Psudocholinesterase (B) Lipoprotein lipase (C) Proenzyme of blood coagulation (D) Lipase

Last Answer : Answer : D

An example of functional plasma enzyme is (A) Lipoprotein lipase (B) Amylase (C) Aminotransferase (D) Lactate dehydrogenase

Description : An example of functional plasma enzyme is (A) Lipoprotein lipase (B) Amylase (C) Aminotransferase (D) Lactate dehydrogenase

Last Answer : Answer : A

Non steroidal anti inflammatory drugs, such as aspirin act by inhibiting the activity of the enzyme: (A) Lipoxygenase (B) Cyclooxygenase (C) Phospholipase A2 (D) Lipoprotein lipase

Description : Non steroidal anti inflammatory drugs, such as aspirin act by inhibiting the activity of the enzyme: (A) Lipoxygenase (B) Cyclooxygenase (C) Phospholipase A2 (D) Lipoprotein lipase

Last Answer : Answer : B

The lipoprotein with the fastest electrophoretic mobility and lowest TG content are (A) VLDL (B) LDL (C) HDL (D) Chylomicrones

Description : The lipoprotein with the fastest electrophoretic mobility and lowest TG content are (A) VLDL (B) LDL (C) HDL (D) Chylomicrones

Last Answer : Answer : C

This interferes with cholesterol absorption (A) Lipoprotein lipase (B) Creatinase (C) 7-dehydrocholesterol (D) β-sitosterol

Description : This interferes with cholesterol absorption (A) Lipoprotein lipase (B) Creatinase (C) 7-dehydrocholesterol (D) β-sitosterol

Last Answer : Answer : D

This lipoprotein removes cholesterol from the body (A) HDL (B) VLDL (C) IDL (D) Chylomicrons

Description : This lipoprotein removes cholesterol from the body (A) HDL (B) VLDL (C) IDL (D) Chylomicrons

Last Answer : Answer : A

The first lipoprotein to be secreted by the liver is (A) VLDL (B) nascent VLDL (C) LDL (D) IDL

Description : The first lipoprotein to be secreted by the liver is (A) VLDL (B) nascent VLDL (C) LDL (D) IDL

Last Answer : Answer : B

The triacyl glycerol present in plasma lipoproteins are hydrolyzed by (A) Linqual lipase (B) Pancreatic lipase (C) Colipase (D) Lipoprotein lipase

Description : The triacyl glycerol present in plasma lipoproteins are hydrolyzed by (A) Linqual lipase (B) Pancreatic lipase (C) Colipase (D) Lipoprotein lipase

Last Answer : Answer : D

The β-lipoprotein fraction increases in severe (A) Diabetes Mellitus (B) Uremia (C) Nephritis (D) Muscular dystrophy

Description : The β-lipoprotein fraction increases in severe (A) Diabetes Mellitus (B) Uremia (C) Nephritis (D) Muscular dystrophy

Last Answer : Answer : A

Lipoprotein present in cell membrane is by nature: (A) Hydrophilic (B) Hydrophobic (C) Both (A) and (B) (D) None of these

Description : Lipoprotein present in cell membrane is by nature: (A) Hydrophilic (B) Hydrophobic (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Genetic deficiency of lipoprotein lipase causes hyperlipoproteinaemia of following type: (A) Type I (B) Type IIa (C) Type IIb (D) Type V

Description : Genetic deficiency of lipoprotein lipase causes hyperlipoproteinaemia of following type: (A) Type I (B) Type IIa (C) Type IIb (D) Type V

Last Answer : Answer : A

The lipoprotein richest in cholesterol is (A) Chylomicrons (B) VLDL (C) LDL (D) HDL

Description : The lipoprotein richest in cholesterol is (A) Chylomicrons (B) VLDL (C) LDL (D) HDL

Last Answer : Answer : C

Apolipoprotein C-II is an activator of (A) Lecithin cholesterola acyl transferase (B) Phospholipase C (C) Extrahepatic lipoprotein lipase (D) Hepatic lipoprotein lipase

Description : Apolipoprotein C-II is an activator of (A) Lecithin cholesterola acyl transferase (B) Phospholipase C (C) Extrahepatic lipoprotein lipase (D) Hepatic lipoprotein lipase

Last Answer : Answer : C

A lipoprotein inversely related to the incidence of coronary artherosclerosis is (A) VLDL (B) IDL (C) LDL (D) HDL

Description : A lipoprotein inversely related to the incidence of coronary artherosclerosis is (A) VLDL (B) IDL (C) LDL (D) HDL

Last Answer : Answer : D

A lipoprotein associated with high incidence of coronary atherosclerosis is (A) LDL (B) VLDL (C) IDL (D) HDL

Description : A lipoprotein associated with high incidence of coronary atherosclerosis is (A) LDL (B) VLDL (C) IDL (D) HDL

Last Answer : Answer : A

The apolipoprotein which acts as actiator of extrahepatic lipoprotein is (A) Apo-A (B) Apo-B (C) Apo-C (D) Apo-D

Description : The apolipoprotein which acts as actiator of extrahepatic lipoprotein is (A) Apo-A (B) Apo-B (C) Apo-C (D) Apo-D

Last Answer : Answer : C

The lipoprotein associated with activation of LCAT is (A) HDL (B) LDL (C) VLDL (D) IDL

Description : The lipoprotein associated with activation of LCAT is (A) HDL (B) LDL (C) VLDL (D) IDL

Last Answer : Answer : A

The lipoprotein with the fastest electrophoretic mobility and the lowest triglyceride content is (A) Chylomicron (B) VLDL (C) IDL (D) HDL

Description : The lipoprotein with the fastest electrophoretic mobility and the lowest triglyceride content is (A) Chylomicron (B) VLDL (C) IDL (D) HDL

Last Answer : Answer : D

Carbonic anhydrase is an example of (A) Lipoprotein (B) Phosphoprotein (C) Metalloprotein (D) Chromoprotein

Description : Carbonic anhydrase is an example of (A) Lipoprotein (B) Phosphoprotein (C) Metalloprotein (D) Chromoprotein

Last Answer : Answer : C

Which of the following is a dipeptide? (A) Anserine (B) Glutathione (C) Glucagon (D) β -Lipoprotein

Description : Which of the following is a dipeptide? (A) Anserine (B) Glutathione (C) Glucagon (D) β -Lipoprotein

Last Answer : Answer : A

With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the formation of red blood cell membranes. 3) Chylomicrons are synthesized in the liver. 4) HDL is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Description : With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the ... is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Last Answer : Answers-3 Chylomicrons are formed in the gut from exogenous triacylglycerols and cholesterol. They are released into the lymph and thereby enter the blood.They are not formed in the liver.

Lipoprotein lipase deficiency is associated with: 1) Abetalipoproteinaemia 2) Combined hyperlipidaemia 3) Familial combined hyperlipidaemia 4) Familial Hypercholesterolaemia 5) Marked Hypertriglyceridaemia

Description : Lipoprotein lipase deficiency is associated with: 1) Abetalipoproteinaemia 2) Combined hyperlipidaemia 3) Familial combined hyperlipidaemia 4) Familial Hypercholesterolaemia 5) Marked Hypertriglyceridaemia

Last Answer : Answers-5 Lipoprotein lipase deficiency is autosomal recessive and associated with increased chylomicrons and marked hypertriglyceridaemia.

With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the formation of red blood cell membranes. 3) Chylomicrons are synthesized in the liver. 4) HDL is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Description : With respect to lipoprotein transport and metabolism in the body, the following statements are correct EXCEPT: 1) Arterial walls contain cells with LDL receptors. 2) Cholesterol is required for the ... is assembled in the extracellular space. 5) VLDL transformation to LDL occurs in adipose tissue.

Last Answer : Answers-3 Chylomicrons are formed in the gut from exogenous triacylglycerols and cholesterol. They are released into the lymph and thereby enter the blood.They are not formed in the liver.

What is the normal level of lipoprotein (a) ?

Description : What is the normal level of lipoprotein (a) ?

Last Answer : In 40% population, there is no detectable level of Lp(a) in serum. In 20% of population, the Lp(a) concentration in blood is more than 30 mg/dl, and these persons are susceptible to heart attack at a younger age.

What is the significance of lipoprotein (a)?

Description : What is the significance of lipoprotein (a)? 

Last Answer : Lp(a) is associated with heart attacks at the age of 30 or 40 years. Indians have a higher level of Lp(a) than Europeans.