Description : Free fatty acids released from adipose tissue are transported in blood by (A) Albumin (B) VLDL (C) LDL (D) HDL
Last Answer : Answer : A
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
Description : Fatty acids can be transported into and out of cell membrane by (A) Active transport (B) Facilitated transport (C) Diffusion (D) Osmosis
Last Answer : B
Description : The fatty acids can be transported into and out of mitochondria through (A) Active transport (B) Facilitated transfer (C) Non-facilitated transfer (D) None of these
Description : Assertion `:-` Fats are transported into the lacteals in the villi. Reason `:-` Fatty acids are insoluble in water.
Last Answer : Assertion `:-` Fats are transported into the lacteals in the villi. Reason `:-` Fatty acids are ... False. D. If both Assertion & Reason are false.
Description : Long chain fatty acyl CoA esters are transported across the mitochondrial membrane by (A) cAMP (B) Prostaglandin (C) Carnitine (D) Choline
Last Answer : Answer : C
Description : The free fatty acids in blood are (A) Stored in fat depots (B) Mainly bound to β-lipoproteins (C) Mainly bound to serum albumin (D) Metabolically most inactive
Description : When the stired triacylglycerol is lipolysed in the adipose tissue blood levels of _____ increased. (A) FFA only (B) Glycerol only (C) Free fatty acids (FFA) and Glycerol (D) Triacyl glycero
Description : Current concepts concerning the intestinal absorption of triacylglycerols are that (A) They must be completely hydrolysed before the constituent fatty acids can be absorbed (B) They are hydrolysed partially ... portal blood (D) In the absence of bile the hydrolysis of triacyl glycerols is absorbed
Last Answer : Answer : B
Description : Which one of the following statements is true regarding digestion and absorption of food in humans? (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions ... amylase in our mouth. (d) Oxyntic cells in our stomach secrete the proenzyme pepsinogen.
Last Answer : (a) Fructose and amino acids are absorbed through intestinal mucosa with the help of carrier ions like Na
Description : All the following statements about acetyl CoA carboxylase are true except (A) It is required for de novo synthesis of fatty acids (B) It is required for mitochondrial elongation of fatty acids ( ... for microsomal elongation of fatty acids (D) Insulin converts its inactive form into its active form
Description : Lipids are stored in the body mainly in the form of (A) Phospholipids (B) Glycolipids (C) Triglycerides (D) Fatty acids
Description : Calcium absorption is inferred by (A) Fatty acids (B) Amino acids (C) Vitamin D (D) Vitamin B12
Description : Epinephrine increases the concentration of free fatty acids in plasma by increasing (A) Extramitochondrial fatty acid synthesis (B) Mitochondrial fatty acid chain elongation (C) Microsomal fatty acid chain elongation (D) Lipolysis in adipose tissue
Last Answer : Answer : D
Description : β-oxidation of fatty acids is inhibited by (A) NADPH (B) Acetyl CoA (C) Malonyl CoA (D) None of these
Description : The major site for elongation of medium chain fatty acids is (A) Mitochondria (B) Cytosol (C) Microsomes (D) All of these
Description : Formation of acetyl CoA from pyruvate for de novo synthesis of fatty acids requires (A) Pyruvate dehydrogenase complex (B) Citrate synthetase (C) ATP citrate lyase (D) All of these
Description : Acetyl CoA required for de novo synthesis of fatty acids is obtained from (A) Breakdown of existing fatty acids (B) Ketone bodies (C) Acetate (D) Pyruvate
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
Description : Acetyl-CoA can be formed from (A) Pyruvate (B) Fatty acids (C) ketone bodies (D) All of these
Description : Fatty liver is caused due to accumulation of (A) Fatty acids (B) Cholesterol (C) Phospholipids (D) Triacylglycerol
Description : In non shivering thermogenesis (A) Glucose is oxidized to lactate (B) Fatty acids uncouple oxidative phosphorylation (C) Ethanol is formed (D) ATP is burned for heat production
Description : The output of free fatty acids from adipose tissue is reduced by (A) Insulin (B) Glucagon (C) Growth hormone (D) Epinephrine
Description : Synthesis of polyunsaturated fatty acids involves the enzyme systems: (A) Acyl transferase and hydratase (B) Desaturase and elongase (C) Ketoacyl-CoA reductase and hydratase (D) Dihydroxyacetone phosphate
Description : In fatty acids synthase of both bacteria and mammals, ACP (acyl carrier protein) contain the vitamin: (A) Thiamin (B) Pyridoxine (C) Riboflavin (D) Pantothenic acid
Description : The synthesis of fatty acids is often termed reductive synthesis. (A) NADP+ (B) NADH (C) FADH2 (D) NADPH
Description : Acetyl-CoA is the principal building block of fatty acids. It is produced within the mitochondria and does not diffuse readily into cytosol. The availability of acetyl CoA involves (A) Carnitine acyl transferase (B) Pyruvate dehydrogenase (C) Citrate lyase (D) Thiolase
Description : Chain elongation of fatty acids in mammalian liver occurs in (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes
Description : The main pathway for denovo synthesis of fatty acids occur in (A) Cytosol (B) Mitochondria (C) Microsomes (D) Nucleus
Description : Fatty acids with odd number of carbon atoms yield acetyl-CoA and a molecule of (A) Succinyl-CoA (B) Propionyl-CoA (C) Malonyl-CoA (D) Acetoacetyl-CoA
Description : Which among the following fatty acids is an essential fatty acid for man? (A) Palmitic acid (B) Oleic acid (C) Linoleic acid (D) None 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
Description : Retinal exists as an ester with higher fatty acids in the (A) Liver (B) Kidney (C) Lung (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
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)
Description : Thiamin diphosphate is required for oxidative decarboxylation of (A) α-Keto acids (B) α-Amino acids (C) Fatty acids (D) All of these
Description : Which of the following is not essential fatty acids? (A) Oleic acid (B) Linoleic acid (C) Arachidonic acid (D) Linolenic acid
Description : Esters of fatty acids with higher alcohol other than glycerol are called as (A) Oils (B) Polyesters (C) Waxes (D) Terpenoids
Description : The essential fatty acids retard (A) Atherosclerosis (B) Diabetes mellitus (C) Nepritis (D) Oedema
Description : In β−oxidation of fatty acids which of the following are utilized as co-enzymes? (A) NAD+ and NADP+ (B) FAD H2 and NADH + H+ (C) FAD and FMN (D) FAD and NAD+
Description : Which of the following regulates lipolysis in adipocytes? (A) Activation of fatty acid synthesis mediated by CAMP (B) Glycerol phosphorylation to prevent futile esterification of fatty acids (C) ... result of hormone stimulated increases in CAMP levels (D) Activation of CAMP production by Insulin
Description : A compound normally used to conjugate bile acids is (A) Serine (B) Glycine (C) Glucoronic acid (D) Fatty acid
Description : Chain elongation of fatty acids occurring in mammalian liver takes place in which of the following subcellular fractions of the cell? (A) Nucleus (B) Ribosomes (C) Lysosomes (D) Microsomes
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+
Description : Very low density lipoproteins are relatively rich in (A) Cholesterol (B) Triacyl glycerol (C) Free fatty acids (D) Phospholipids
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
Description : The carbon chain of fatty acids is shortened by 2 carbon atoms at a time. This involves successive reactions catalysed by 4-enzymes. These act the following order: (A) Acetyl CoA dehydrogenase, ... CoA dehydrogenase (D) Enoyl hydrase, β-OH acyl CoA dehydrogenase, acyl CoA dehydrogenase, thiolose,
Description : What is the sub cellular site for the βoxidation of fatty acids? (A) Nucleus (B) Mitochondria (C) Lysosome (D) Cytosol
Description : Fatty acids can not be converted into carbohydrates in the body, as the following reaction is not possible: (A) Conversion of glucose-6-phosphate into glucose (B) Fructose 1, 6 diphosphate to ... phosphate (C) Transformation of acetyl CoA to pyruvate (D) Formation of acetyl CoA from fatty acids
Description : CTP is required for the synthesis of (A) Fatty acids (B) Proteins (C) Phospholipids (D) Cholesterol