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
Description : Fluidity of membranes is increased by the following constituent except (A) Polyunsaturated fatty acids (B) Saturated fatty acids (C) Integral proteins (D) Cholesterol
Last Answer : Answer : A
Description : Diets having a high ratio of polyunsaturated: saturated fatty acids can cause (A) Increase in serum triglycerides (B) Decrease in serum cholesterol (C) Decrease in serum HDL (D) Skin lesions
Last Answer : Answer : B
Description : Which of the following can be oxidized by β-oxidation pathway? (A) Saturated fatty acids (B) Monosaturated fatty acids (C) Polyunsaturated fatty acids (D) All of these
Last Answer : Answer : D
Description : Animal fat is in general (A) Poor in saturated and rich in polyunsaturated fatty acids (B) Rich in saturated and poor in polyunsaturated fatty acids (C) Rich in saturated and polyunsaturated fatty acids (D) Poor in saturated and polyunsaturated fatty acids
Last Answer : B
Description : Membrane lipids of chillsensitive plants contain - (1) low proportion of saturated fatty acids. (2) low proportion of unsaturated fatty acids. (3) equal proportion of saturated and unsaturated fatty acids. (4) high proportion of unsaturated fatty acids.
Last Answer : (4) high proportion of unsaturated fatty acids. Explanation: The membranes of chill sensitive plants have been found to have about a 2:1 ratio of unsaturated to saturated fatty ... increases and the critical temperature decreases when chill-sensitive plants are acclimated to a low temperature.
Description : Drying oils contain a fairly large proportion of – (1) fats (2) proteins (3) saturated fatty acids (4) unsaturated fatty acids
Last Answer : (4) unsaturated fatty acids Explanation: They contain a high percentage of "polyunsaturates" (polyunsaturated fatty acids). Most drying oils owe their drying properties to the presence of a large percentage of linolenic acid (which derives its name from "linseed"), which is highly unsaturated.
Description : Which of the following statements is not true about fatty acids? (a) Fatty acids are carboxylic acids with long hydrocarbon side chains. (b) The double bonds in unsaturated fatty acids are always ... contain even numbers of carbons and are unbranched. (d) Fatty acids can be saturated or unsaturated
Last Answer : The double bonds in unsaturated fatty acids are always conjugated
Description : Vegetable oils contain large quantity of glycerides of unsaturated acids. When the vegetable oils contain high amount of saturated fatty acids, it is termed as __________ oil. (A) Drying (B) Semi-drying (C) Non-drying (D) None of these
Last Answer : (C) Non-drying
Description : What chemical functionality do unsaturated fatty acid contain that saturated fatty acids do not?
Last Answer : ANSWER: DOUBLE BONDS or CARBON-CARBON DOUBLE BONDS
Description : Membrane lipids of chillsensitive plants contain (1) low proportion of saturated fatty acids. (2) low proportion of unsaturated fatty acids. (3) equal proportion of saturated and unsaturated fatty acids. (4) high proportion of unsaturated fatty acids.
Last Answer : high proportion of unsaturated fatty acids.
Description : Drying oils contain a fairly large proportion of (1) fats (2) proteins (3) saturated fatty acids (4) unsaturated fatty acids
Last Answer : unsaturated fatty acids
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 : 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 (A) Polyunsaturated fatty acids against aperoxidation (B) Vitamin A and carotenes against oxidation (C) Lung tissue against atmospheric pollutants (D) All of these
Description : The desaturation and chain elongation system of polyunsaturated fatty acids are greatly diminished in the absence of (A) Insulin (B) Glycagon (C) Epinephrine (D) Thyroxine
Description : Oils having more than 50 % polyunsaturated fatty acids include all of the following except (A) Groundnut oil (B) Soyabean oil (C) Sunflower oil (D) Safflower oil
Description : The percentage of polyunsaturated fatty acids in butter is (A) 60 (B) 37 (C) 25 (D) 3
Description : The percentage of polyunsaturated fatty acids in soyabean oil is (A) 62 (B) 10 (C) 3 (D) 2
Description : Name polyunsaturated fatty acids.
Last Answer : Linoleic, linolenic and arachidonic acids.
Description : Name some polyunsaturated fatty acids.
Description : Chemically, lipoic acid is (A) Saturated fatty acid (B) Unsaturated fatty acid (C) Amino acid (D) Sulphur containing fatty acid
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
Description : Prostaglandins are (A) C2 unsaturated acids (B) C27 saturated alcohols (C) C20 saturated acids (D) C27 saturated alcohols
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
Description : Unsaturated fatty acids is known as (A) Non-essential fatty acids (B) Essential fatty acids (C) Cerebrosides (D) Phospholipids
Description : When unsaturated fatty acids are oxidised, how many ATP is formed?
Last Answer : The energy yield is less by 2 ATP molecules per double bond, when compared to the corresponding chain length saturated fatty acid.
Description : Name some unsaturated fatty acids.
Last Answer : Oleic, linoleic, linolenic and arachidonic acids.
Description : The requirement of vitamin E is increased with greater intake of (A) Carbohydrates (B) Proteins (C) Polyunsaturated fat (D) Saturated fat
Description : What causes unsaturated fatty acid to have different shape than saturated fats?
Last Answer : what are accurate comparisons of bases found in robins as opposed to bases found in sparrows
Description : A phosphoglyceride is always made up of (a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached (b) a saturated or unsaturated ... unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached.
Last Answer : (a) a saturated or unsaturated fatty acid esterified to a glycerol molecule to which a phosphate group is also attached
Last Answer : (D) Sulphur containing fatty acid
Description : The basic constituent of vegetable oils is (A) Triglyceride (B) Fatty acids (C) Fatty alcohol (D) Mono esters
Last Answer : (A) Triglyceride
Description : The desaturation and chain elongation system of polyunsaturated fatty acid are enhanced by (A) Insulin (B) Glucagon (C) Epinephrine (D) Thyroxine
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
Description : Which of the following is omega-3 polyunsaturated fatty acid? (A) Linoleic acid (B) α-Linolenic acid (C) γ-Linolenic acid (D) Arachidonic acid
Description : Which of the following is a polyunsaturated fatty acid? (A) Palmitic acid (B) Palmitoleic acid (C) Linoleic acid (D) Oleic acid
Description : All the following saturated fatty acids are present in buffer except (A) Butyric acid (B) Capryllic acid (C) Caproic acid (D) Capric acid
Description : Egg is rich in all of the following except (A) Cholesterol (B) Saturated fatty acids (C) Ascorbic acid (D) Calcium
Description : Which of the following statements best describes the structure of waxes? (a) long-chain unsaturated carboxylic acids (b) long-chain saturated carboxylic acids (c) long-chain esters (d) short-chain esters
Last Answer : long-chain esters
Description : Chain type coding structure is also known as________ a.Poly code b.Mono code c.Hybrid code d.Miscellaneous code
Last Answer : a.Poly code
Description : From the following in which type of GT code tree-type structure is used? a.Poly code b.Hybrid code c.Mono code d.None of the above
Last Answer : c.Mono code
Description : From the following in which type of GT code chain-type structure is used? a.Poly code b.Hybrid code c.Mono code d.None of the above
Description : ____ is a collection of parts which have similar characteristics a.Part family b.Mono family c.GT family d.Poly family
Last Answer : a.Part family
Description : How do you differentiate a mono dispersed system from a poly dispersed system?
Last Answer : Mw/Mn=1 Mono disperse Polymer sample consisting of molecules allof which have the same chain length Mw/Mn>1 Poly dispersePolymer consisting of molecules with the variety of chainlength.
Description : What are unsaturated fatty acids? -Biology
Last Answer : answer:
Description : What are unsaturated fatty acids ?
Last Answer : Lubricants that are liquid are called oils . Oil is an unsaturated fatty acid.
Description : Eicosanoids are a group of _____ carbon unsaturated fatty acids (a) 20 (b) 10 (c) 25 (d) 35
Last Answer : Ans: A
Description : Consider the following statements: 1. Normal diet should contain 75gm of fat. 2. Fatty acids should be a part of human diet. 3. The cells of the human body cannot synthesise any fatty acids. 4. Deficiency diseases develop due to the absence ... correct? (a) 1, 2 (b) 2, 3 (c) 1, 2, 3, 4 (d) 1, 2, 4
Last Answer : Ans:(b)
Description : Prostaglandins: a. contains 20 carbon atoms b. are unsaturated fatty acids containing a cyclopentane ring c. the different types of prostaglandins are classified according to the configuration of the cyclopentane ring d. all above
Last Answer : all above