Net generation of energy on complete oxidation of a 17-carbon fatty acid is (A) Equal to the energy generation from a 16-carbon fatty acid (B) Equal to the energy generation from an 18-carbon fatty acid (C) Less than the energy generation from a 16-carbon fatty acid (D) In between the energy generation from a 16-carbon fatty acid and an 18-carbon fatty acid

Net generation of energy on complete oxidation of a 17-carbon fatty acid is (A) Equal to the energy generation from a 16-carbon fatty acid (B) Equal to the energy generation from an 18-carbon fatty acid (C) Less than the energy generation from a 16-carbon fatty acid (D) In between the energy generation from a 16-carbon fatty acid and an 18-carbon fatty acid
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Answer : C
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Net energy generation on complete oxidation of linoleic acid is (A) 148 ATP equivalents (B) 146 ATP equivalents (C) 144 ATP equivalents (D) 142 ATP equivalents

Description : Net energy generation on complete oxidation of linoleic acid is (A) 148 ATP equivalents (B) 146 ATP equivalents (C) 144 ATP equivalents (D) 142 ATP equivalents

Last Answer : Answer : D

Net generation of energy on complete oxidation of palmitic acid is (A) 129 ATP equivalents (B) 131 ATP equivalents (C) 146 ATP equivalents (D) 148 ATP equivalents

Description : Net generation of energy on complete oxidation of palmitic acid is (A) 129 ATP equivalents (B) 131 ATP equivalents (C) 146 ATP equivalents (D) 148 ATP equivalents

Last Answer : Answer : D

Net ATP generation on complete oxidation of stearic acid is (A) 129 (B) 131 (C) 146 (D) 148

Description : Net ATP generation on complete oxidation of stearic acid is (A) 129 (B) 131 (C) 146 (D) 148

Last Answer : Answer : C

What is the net generation of ATP, when one molecule of palmitic acid (16 carbon) is oxidised completely?

Description : What is the net generation of ATP, when one molecule of palmitic acid (16 carbon) is oxidised completely?

Last Answer : 129.

As a result of each oxidation a long chain fatty acid is cleaved to give (A) An acid with 3-carbon less and propionyl CoA (B) An acid with 2-carbon less and acetyl CoA (C) An acid with 2-carbon less and acetyl CoA (D) An acid with 4-carbon and butyryl CoA

Description : As a result of each oxidation a long chain fatty acid is cleaved to give (A) An acid with 3-carbon less and propionyl CoA (B) An acid with 2-carbon less and acetyl CoA (C) An acid with 2-carbon less and acetyl CoA (D) An acid with 4-carbon and butyryl CoA

Last Answer : Answer : B

The maximum possible chain length of fatty acids formed in the pathway of de novo synthesis is (A) 16 Carbon atoms (B) 18 Carbon atoms (C) 20 Carbon atoms (D) 24 Carbon atoms

Description : The maximum possible chain length of fatty acids formed in the pathway of de novo synthesis is (A) 16 Carbon atoms (B) 18 Carbon atoms (C) 20 Carbon atoms (D) 24 Carbon atoms

Last Answer : Answer : A

The net gain of ATP/mol of palmitic acid on complete oxidation is (A) 88 (B) 105 (C) 129 (D) 135

Description : The net gain of ATP/mol of palmitic acid on complete oxidation is (A) 88 (B) 105 (C) 129 (D) 135

Last Answer : Answer : C

The energy yield from complete oxidation of products generated by second reaction cycle of β-oxidation of palmitoyl CoA will be (A) 5 ATP (B) 12 ATP (C) 17 ATP (D) 34 ATP

Description : The energy yield from complete oxidation of products generated by second reaction cycle of β-oxidation of palmitoyl CoA will be (A) 5 ATP (B) 12 ATP (C) 17 ATP (D) 34 ATP

Last Answer : Answer : D

β-Oxidation of odd-carbon fatty acid chain produces (A) Succinyl CoA (B) Propionyl CoA (C) Acetyl CoA (D) Malonyl CoA

Description : β-Oxidation of odd-carbon fatty acid chain produces (A) Succinyl CoA (B) Propionyl CoA (C) Acetyl CoA (D) Malonyl CoA

Last Answer : Answer : D

All long chain fatty acids with even number of carbon atoms are oxidized to a pool of _________ by β-oxidation. (A) CO2 (B) Propionic acid (C) Acetic acid (D) Acetyl CoA

Description : All long chain fatty acids with even number of carbon atoms are oxidized to a pool of _________ by β-oxidation. (A) CO2 (B) Propionic acid (C) Acetic acid (D) Acetyl CoA

Last Answer : Answer : D

During each cycle of β-oxidation (A) One carbon atom is removed from the carboxyl end of the fatty acid (B) One carbon atom is removed from the methyl end of the fatty acid (C) Two carbon atoms are removed from the carboxyl end of the fatty acid (D) Two carbon atoms are removed from the methyl end of the fatty acid

Description : During each cycle of β-oxidation (A) One carbon atom is removed from the carboxyl end of the fatty acid (B) One carbon atom is removed from the methyl end of the fatty acid (C) Two carbon atoms ... carboxyl end of the fatty acid (D) Two carbon atoms are removed from the methyl end of the fatty acid

Last Answer : Answer : C

The end product of omega-oxidation of fatty acids having an even number of carbon atoms is (A) Adipic acid (B) Suberic acid (C) Both (A) and (B) (D) None of these

Description : The end product of omega-oxidation of fatty acids having an even number of carbon atoms is (A) Adipic acid (B) Suberic acid (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

Propionyl CoA is formed on oxidation of (A) Monounsaturated fatty acids (B) Polyunsaturated fatty acids (C) Fatty acids with odd number of carbon atoms (D) None of these FATS AND FATTY ACID METABOLISM 83

Description : Propionyl CoA is formed on oxidation of (A) Monounsaturated fatty acids (B) Polyunsaturated fatty acids (C) Fatty acids with odd number of carbon atoms (D) None of these FATS AND FATTY ACID METABOLISM 83

Last Answer : Answer : C

When palmitoleic acid (16 C, 1 double bond) is completely oxidised, what is the net generation of ATP molecules?

Description : When palmitoleic acid (16 C, 1 double bond) is completely oxidised, what is the net generation of ATP molecules? 

Last Answer : 127.

For synthesis of prostaglandins, the essential fatty acids give rise to a fatty acid containing (A) 12 carbon atoms (B) 16 carbon atoms (C) 20 carbon atoms (D) 24 carbon atoms

Description : For synthesis of prostaglandins, the essential fatty acids give rise to a fatty acid containing (A) 12 carbon atoms (B) 16 carbon atoms (C) 20 carbon atoms (D) 24 carbon atoms

Last Answer : Answer : C

During complete oxidation, what is the net yield of ATP from one glucose molecule?

Description : During complete oxidation, what is the net yield of ATP from one glucose molecule?

Last Answer : 38 ATP.

The fatty acids containing even number and odd number of carbon atoms as well as the unsaturated fatty acids are oxidized by (A) α-oxidation (B) β-oxidation (C) ω-oxidation (D) All of these

Description : The fatty acids containing even number and odd number of carbon atoms as well as the unsaturated fatty acids are oxidized by (A) α-oxidation (B) β-oxidation (C) ω-oxidation (D) All of these

Last Answer : Answer : B

Propionyl CoA formed oxidation of fatty acids having an odd number of carbon atoms is converted into (A) Acetyl CoA (B) Acetoacetyl CoA (C) D-Methylmalonyl CoA (D) Butyryl CoA

Description : Propionyl CoA formed oxidation of fatty acids having an odd number of carbon atoms is converted into (A) Acetyl CoA (B) Acetoacetyl CoA (C) D-Methylmalonyl CoA (D) Butyryl CoA

Last Answer : Answer : C

Oleic acid is a fatty acid containing (a) 12 carbons (b) 14 carbons (c) 16 carbons (d) 18 carbons

Description : Oleic acid is a fatty acid containing (a) 12 carbons (b) 14 carbons (c) 16 carbons (d) 18 carbons

Last Answer : 18 carbons

Ketosis reflects (A) Increased hepatic glucose liberation (B) Increased fatty acid oxidation (C) Increased carbohydrate utilisation (D) Incresed gluconeogenesis

Description : Ketosis reflects (A) Increased hepatic glucose liberation (B) Increased fatty acid oxidation (C) Increased carbohydrate utilisation (D) Incresed gluconeogenesis

Last Answer : Answer : B

NAD is required as a conenzyme in (A) Citric acid cycle (B) HMP shunt (C) β-Oxidation of fatty acids (D) Both (A) and (C)

Description : NAD is required as a conenzyme in (A) Citric acid cycle (B) HMP shunt (C) β-Oxidation of fatty acids (D) Both (A) and (C)

Last Answer : Answer : D

Vitamin K is a cofactor for (A) Gamma carboxylation of glutamic acid residue (B) β-Oxidation of fatty acid (C) Formation of γ-amino butyrate (D) Synthesis of tryptophan

Description : Vitamin K is a cofactor for (A) Gamma carboxylation of glutamic acid residue (B) β-Oxidation of fatty acid (C) Formation of γ-amino butyrate (D) Synthesis of tryptophan

Last Answer : Answer : A

During each cycle of on going fatty acid oxidation, all the following compounds are generated except (A) H2O (B) Acetyl CoA (C) Fatty acyl CoA (D) NADH FATS AND FATTY ACID METABOLISM 103

Description : During each cycle of on going fatty acid oxidation, all the following compounds are generated except (A) H2O (B) Acetyl CoA (C) Fatty acyl CoA (D) NADH FATS AND FATTY ACID METABOLISM 103

Last Answer : Answer : A

During each cycle of β-oxidation of fatty acid, all the following compounds are generated except (A) NADH (B) H2O (C) FAD (D) Acyl CoA

Description : During each cycle of β-oxidation of fatty acid, all the following compounds are generated except (A) NADH (B) H2O (C) FAD (D) Acyl CoA

Last Answer : Answer : B

Ketone bodies are synthesized from fatty acid oxidation products by which of the following organs? (A) Liver (B) Skeletal muscles (C) Kidney (D) Brain

Description : Ketone bodies are synthesized from fatty acid oxidation products by which of the following organs? (A) Liver (B) Skeletal muscles (C) Kidney (D) Brain

Last Answer : Answer : A

A pathway that requires NADPH as a cofactor is (A) Fatty acid oxidation (B) Extra mitochondrial denovo fatty acid synthesis (C) Ketone bodies formation (D) Glycogenesis

Description : A pathway that requires NADPH as a cofactor is (A) Fatty acid oxidation (B) Extra mitochondrial denovo fatty acid synthesis (C) Ketone bodies formation (D) Glycogenesis

Last Answer : Answer : B

The rate of fatty acid oxidation is increased by (A) Phospholipids (B) Glycolipids (C) Aminolipids (D) All of these

Description : The rate of fatty acid oxidation is increased by (A) Phospholipids (B) Glycolipids (C) Aminolipids (D) All of these

Last Answer : Answer : A

NADPH required for fatty acid synthesis can come from (A) Hexose monophosphate shunt (B) Oxidative decarboxylation of malate (C) Extramitochondrial oxidation of isocitrate (D) All of these

Description : NADPH required for fatty acid synthesis can come from (A) Hexose monophosphate shunt (B) Oxidative decarboxylation of malate (C) Extramitochondrial oxidation of isocitrate (D) All of these

Last Answer : Answer : D

What are the major differences between fatty acid synthesis and beta oxidation of fatty acid?

Description : What are the major differences between fatty acid synthesis and beta oxidation of fatty acid?

Last Answer : Beta oxidation is taking place in mitochondria, fatty acid synthesis is in cytoplasm. Oxidation enzymes are independent, synthetic enzymes are grouped as a multi-enzyme complex. During oxidation, 2 carbon units ... malonyl CoA. For oxidation, NAD and FAD are necessary, for synthesis, NADPH is used.

What is alpha oxidation of fatty acid?

Description : What is alpha oxidation of fatty acid?

Last Answer : It is a process by which fatty acids are oxidised by removing carbon atoms, one at a time, from the carboxyl end. It is used for fatty acids that have a methyl group at the beta-carbon, which blocks beta-oxidation. Alpha oxidation does not generate energy.

What are the products, during each cycle of beta oxidation of fatty acid?

Description : What are the products, during each cycle of beta oxidation of fatty acid?

Last Answer : Acetyl CoA, FADH2, and NADH.

What are the co-enzymes needed for fatty acid oxidation?

Description : What are the co-enzymes needed for fatty acid oxidation?

Last Answer : FAD and NAD.

Prostaglandins have a common structure based on prostanoic acid which contains carbon atoms: (A) 12 (B) 16 (C) 18 (D) 20

Description : Prostaglandins have a common structure based on prostanoic acid which contains carbon atoms: (A) 12 (B) 16 (C) 18 (D) 20

Last Answer : Answer : D

Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid

Description : Complete hydrolysis of proteins produces : (a) Ammonia and carbon dioxide (b) Urea and uric acid (c) A mixture of amino acids (d) Glycogen and a fatty acid

Last Answer : A mixture of amino acids

Compute the value of adding the following two fuzzy integers: A = {(0.3,1), (0.6,2), (1,3), (0.7,4), (0.2,5)} B = {(0.5,11), (1,12), (0.5,13)} Where fuzzy addition is defined as μA+B(z) = maxx+y=z (min(μA(x), μB(x))) Then, f(A+B) is equal to (A) {(0.5,12), (0.6,13), (1,14), (0.7,15), (0.7,16), (1,17), (1,18)} (B) {(0.5,12), (0.6,13), (1,14), (1,15), (1,16), (1,17), (1,18)} (C) {(0.3,12), (0.5,13), (0.5,14), (1,15), (0.7,16), (0.5,17), (0.2,18)} (D) {(0.3,12), (0.5,13), (0.6,14), (1,15), (0.7,16), (0.5,17), (0.2,18)}

Description : Compute the value of adding the following two fuzzy integers: A = {(0.3,1), (0.6,2), (1,3), (0.7,4), (0.2,5)} B = {(0.5,11), (1,12), (0.5,13)} Where fuzzy addition is defined as μA+B(z) = maxx+y=z (min(μA(x), μB( ... ,18)} (D) {(0.3,12), (0.5,13), (0.6,14), (1,15), (0.7,16), (0.5,17), (0.2,18)}

Last Answer : (D) {(0.3,12), (0.5,13), (0.6,14), (1,15), (0.7,16), (0.5,17), (0.2,18)} 

Which one of the following biomolecules is correctly characterized? (a) Lecithin-a phosphorylated glyceride  found in cell membrane. (b) Palmitic acid - an unsaturated fatty acid with 18 carbon atoms. (c) Adenylic acid - adenosine with a glucose phosphate molecule. (d) Alanine amino acid - contains an amino group and an acidic group anywhere in the molecule.

Description : Which one of the following biomolecules is correctly characterized? (a) Lecithin-a phosphorylated glyceride  found in cell membrane. (b) Palmitic acid - an unsaturated fatty acid with 18 carbon atoms. ... Alanine amino acid - contains an amino group and an acidic group anywhere in the molecule.

Last Answer : (a) Lecithin-a phosphorylated glyceride  found in cell membrane

Will there be complete breakdown of triglyceride into fatty acid in the gastro intestinal tract?

Description : Will there be complete breakdown of triglyceride into fatty acid in the gastro intestinal tract?

Last Answer : No, only partial digestion is possible.

The acquisition energy by glucose fermentation requires A.substrate-level phosphorylation B.electron transport of electrons from NADH C.long-chain fatty acid oxidation D.the enzyme formic-hydrogen lyase

Description : The acquisition energy by glucose fermentation requires A.substrate-level phosphorylation B.electron transport of electrons from NADH C.long-chain fatty acid oxidation D.the enzyme formic-hydrogen lyase

Last Answer : A.substrate-level phosphorylation

Most of the energy in aerobic respiration of glucose is captured by A- substrate-level phosphorylation B- electron transport of electrons from NADH C- long-chain fatty acid oxidation D- the enzyme formic-hydrogen lyase

Description : Most of the energy in aerobic respiration of glucose is captured by A- substrate-level phosphorylation B- electron transport of electrons from NADH C- long-chain fatty acid oxidation D- the enzyme formic-hydrogen lyase

Last Answer : electron transport of electrons from NADH

Human desaturase enzyme system cannot introduce a double bond in a fatty acid beyond (A) Carbon 9 (B) Carbon 6 (C) Carbon 5 (D) Carbon 3

Description : Human desaturase enzyme system cannot introduce a double bond in a fatty acid beyond (A) Carbon 9 (B) Carbon 6 (C) Carbon 5 (D) Carbon 3

Last Answer : Answer : A

In glycerophospholipids, a polyunsaturated fatty acid is commonly attached to which of the following carbon atom of glycerol? (A) Carbon 1 (B) Carbon 2 (C) Both (A) and (B) (D) None of these

Description : In glycerophospholipids, a polyunsaturated fatty acid is commonly attached to which of the following carbon atom of glycerol? (A) Carbon 1 (B) Carbon 2 (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

All the following can be oxidized by βoxidation except (A) Palmitic acid (B) Phytanic acid (C) Linoleic acid (D) Fatty acids having an odd number of carbon atoms

Description : All the following can be oxidized by βoxidation except (A) Palmitic acid (B) Phytanic acid (C) Linoleic acid (D) Fatty acids having an odd number of carbon atoms

Last Answer : Answer : B

A 20-carbon fatty acid among the following is (A) Linoleic acid (B) α -Linolenic acid (C) β -Linolenic acid (D) Arachidonic acid

Description : A 20-carbon fatty acid among the following is (A) Linoleic acid (B) α -Linolenic acid (C) β -Linolenic acid (D) Arachidonic acid

Last Answer : Answer : D

β-oxidation of fatty acids is inhibited by (A) NADPH (B) Acetyl CoA (C) Malonyl CoA (D) None of these

Description : β-oxidation of fatty acids is inhibited by (A) NADPH (B) Acetyl CoA (C) Malonyl CoA (D) None of these

Last Answer : Answer : C

Vitamin E protects the polyunsaturated fatty acids from oxidation by molecular oxygen in the formation of (A) Superoxide (B) Peroxide (C) Trioxide (D) All of these

Description : Vitamin E protects the polyunsaturated fatty acids from oxidation by molecular oxygen in the formation of (A) Superoxide (B) Peroxide (C) Trioxide (D) All of these

Last Answer : Answer : B

Vitamin E protects (A) Polyunsaturated fatty acids against aperoxidation (B) Vitamin A and carotenes against oxidation (C) Lung tissue against atmospheric pollutants (D) All of these

Description : Vitamin E protects (A) Polyunsaturated fatty acids against aperoxidation (B) Vitamin A and carotenes against oxidation (C) Lung tissue against atmospheric pollutants (D) All of these

Last Answer : Answer : D

In β-Oxidation of fatty acids, which of the following are utilized as coenzymes? (A) NAD+ and NADP+ (B) FADH2 and NADH + H+ (C) FAD and FMN (D) FAD and NAD+

Description : In β-Oxidation of fatty acids, which of the following are utilized as coenzymes? (A) NAD+ and NADP+ (B) FADH2 and NADH + H+ (C) FAD and FMN (D) FAD and NAD+

Last Answer : Answer : D

The acetyl CoA formed on β-oxidation of all long chain fatty acids is metabolized under normal circumstances to (A) CO2 and water (B) Cholesterol (C) Fatty acids (D) Ketone bodies

Description : The acetyl CoA formed on β-oxidation of all long chain fatty acids is metabolized under normal circumstances to (A) CO2 and water (B) Cholesterol (C) Fatty acids (D) Ketone bodies

Last Answer : Answer : A

Phospholipids help the oxidation of (A) Glycerol (B) Fatty acids (C) Glycerophosphates(D) None of these

Description : Phospholipids help the oxidation of (A) Glycerol (B) Fatty acids (C) Glycerophosphates(D) None of these

Last Answer : Answer : B