Description : How are lipid molecules arranged in the membrane? -Biology
Last Answer : answer:
Description : What does the term lipid mean? -Biology
Last Answer : A lipid is any of various organic compounds that are insoluble in water. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.
Description : Who coined the term lipid? -Biology
Last Answer : The word "lipide" , which stems etymologically from the Greek lipos (fat), was introduced in 1923 by the french pharmacologist Gabriel Bertrand. Bertrands included in the concept not only the traditional fats (glycerides), but also the "lipoids", with a complex constitution.
Description : why is SER well developed in lipid - forming cells ? -Biology
Description : What is the Bangla of Lipid profile ?
Last Answer : Bengali Lipid Profile of Lipid Profile e. There is a test that should be done to check cholesterol if you are over 20 years of age and it is better to get tested once in five years ... can be found in total cholesterol , harmful cholesterol LDL , good cholesterol HDL values and triglyceride values.
Description : Assertion: Coacervates are believed to be precursors of life. Reason: Coacervates were self duplicating aggregates of proteins surrounded by lipid mol
Last Answer : Assertion: Coacervates are believed to be precursors of life. Reason: Coacervates were self duplicating ... both the assertion and reason are false.
Description : Hydrolysis of lipid yields `:-`
Last Answer : Hydrolysis of lipid yields `:-` A. Fats B. Fatty acids and glycerol C. Mannose and glycerol D. Maltose and fatty acid
Description : $ Ergosterol is a lipid that changes to vitamins D on activation by UV light. ! Iron is a biochemical compoent of haemoglobin.
Last Answer : $ Ergosterol is a lipid that changes to vitamins D on activation by UV light. ! Iron is a biochemical ... is wrong D. If both As and R are wrong.
Description : Ratio of protein and lipid in the membrane of erythrocytes of human being is :-
Last Answer : Ratio of protein and lipid in the membrane of erythrocytes of human being is :- A. 1.8 B. 1.3 C. 0.8 D. 0.6
Description : Assertion : Insulin is not given orally. Reason : Insulin hormone is lipid-soluble and directily enters inside the cell membrane.
Last Answer : Assertion : Insulin is not given orally. Reason : Insulin hormone is lipid-soluble and directily enters ... D. If both Assertion and Reason are false.
Description : What lipid increases actin potential conduction speed?
Last Answer : Need answer
Description : What type of lipid is lecithins?
Last Answer : glycerophospholipid
Description : What are the end products of lipid digestion?
Last Answer : What is the answer ?
Description : What will my lipid profile test results show?
Last Answer : Your lipid profile is designed to determine your overall risk of coronary disease as well as your risk of heart attack and stroke. All profiles include triglyceride levels, total cholesterol, HDL (good cholesterol ... level) and non-HDL as well as a total cholesterol/HDL ratio or a risk score.
Description : What is found in some viruses and are external lipid membranes borrowed from the host cell.?
Last Answer : Lipid membrane called the Envelope
Description : Action of insulin on lipid metabolism is (A) It increases lipolysis and increases triglyceride synthesis (B) It decreases lipolysis and increases triglyceride synthesis (C) It decreases ... and decreases triglyceride synthesis (D) It increases synthesis of triglyceride and increased ketogenesis
Last Answer : Answer : B
Description : B.M.R. is raised in (A) Polycythemia (B) Starvation (C) Lipid nephrosis (D) Hypothyroidism
Last Answer : Answer : A
Description : Humans most easily tolerate a lack of the nutrient: (A) Protein (B) Lipid (C) Iodine (D) Carbohydrate
Last Answer : Answer : D
Description : An enzyme is a (A) Carbohydrate (B) Lipid (C) Protein (D) Nucleic acid ENZYMES 171
Last Answer : Answer : C
Description : Humans most easily tolerate a lack of which of the following nutrients? (A) Protein (B) Iodine (C) Carbohydrate (D) Lipid
Description : High iodine value of a lipid indicates (A) Polymerization (B) Carboxyl groups (C) Hydroxyl groups (D) Unsaturation
Description : Which of the following features is predicted by the Nicolson–Singer fluid mosaic model of biological membranes? (A) Membrane lipids do not diffuse laterally (B) Membrane lipid is primarily in a monolayer form (C) Membrane lipids freely flip-flop (D) Membrane proteins may diffuse laterally
Description : Liposomes are (A) Lipid bilayered (B) Water in the middle (C) Carriers of drugs (D) All of these
Description : Most animal tissues contain appreciable amounts of lipid, when in the form of depot fat it consists largely of (A) Cholesterol ester (B) Phosphatides (C) Chylomicrons (D) Triacylglycerol
Description : The calorific value of lipid is (A) 4.0 Kcal/gm (B) 6.0 Kcal/gm (C) 9.0 Kcal/gm (D) 15 Kcal/gm
Description : Which of the following lipid is absorbed actively from intestines? (A) Glycerol (B) Cholesterol (C) Monoacylglycerol (D) None of these
Description : Lipid stores are mainly present in (A) Liver (B) Brain (C) Muscles (D) Adipose tissue
Description : The major lipid in chylomicrons is (A) Triglycerides (B) Phospholipids (C) Cholesterol (D) Free fatty acids
Description : A lipid containing alcoholic amine residue is (A) Phosphatidic acid (B) Ganglioside (C) Glucocerebroside (D) Sphingomyelin
Description : Deficiency of urea cycle enzymes results into accumulation of citrulline argininosuccinate arginine in the liver resulting in increasing concentration of …….. in the blood. (A) Calcium (B) Sodium (C) Ammonia (D) Lipid
Description : Michaelis – Menten equation is used to explain the effect of substrate concentration on (A) Carbohydrate (B) Enzyme (C) Lipid (D) Protein
Description : Deficiency of biotin results in decrease in (A) Amino acid synthesis (B) Lipid synthesis (C) Kidney (D) Fatty acid synthesis
Description : The building up and breaking down of protoplasm are concerned with the metabolism of (A) Carbohydrate (B) Lipid (C) Protein (D) Minerals
Description : Lipid content of egg white is (A) 12% (B) 33% (C) 10–11% (D) Traces
Description : A lipid bilayer is permeable to (A) Urea (B) Fructose (C) Glucose (D) Potassium
Last Answer : A
Description : The ability of the cell membrane to act as a selective barrier depends upon (A) The lipid composition of the membrane (B) The pores which allows small molecules (C) The special mediated transport systems (D) All of these
Last Answer : D
Description : Which of the following statement is correct about membrane cholesterol? (A) The hydroxyl group is located near the centre of the lipid layer (B) Most of the cholesterol is in the form ... forms a rigid, planar structure (D) The hydrocarbon chain of cholesterol projects into the extracellular fluid
Last Answer : C
Description : All the following processes occur rapidly in the membrane lipid bilayer except (A) Flexing of fatty acyl chains (B) Lateral diffusion of phospholipids (C) Transbilayer diffusion of phopholipids (D) Rotation of phospholipids around their long axes
Description : Which of the following phospholipids is localized to a greater extent in the outer leaflet of the membrane lipid bilayer? (A) Choline phosphoglycerides (B) Ethanolamine phosphoglycerides (C) Inositol phosphoglycerides (D) Serine phosphoglycerides
Description : The cell wall of both bacteria and cyanobactena contains: (a) Lipid (b) Pectin (c) Protein (d) muramic acid
Last Answer : Ans. ((d))
Description : Answer: a, b, c, d Free oxygen radicals are chemical species that are intermediates in the normal process of cellular respiration. Oxidants that are free radicals have been implicated as initiators of ... a. C-reactive protein b. Serum amyloid c. a -Proteinase inhibitor d. Fibrinogen e. Albumin
Last Answer : Answer: a, b, c, d The acute-phase response is a series of homeostatic responses of the organism to tissue injury in infection and inflammation. After an inflammatory stimulus occurs, a number ... 30% to 50% of the level before injury. The reason for the decrease in production is poorly understood
Description : Which of the following statement(s) is/are true concerning the cell plasma membrane? a. The plasma membrane is composed of amphipathic molecules b. The hydrophobic core of the lipid bilayer of the ... contribute to the cell coat d. The membrane proteins of nerve cells are highly voltage-dependent
Last Answer : Answer: a, b, d The plasma membrane defines the boundary of the cell and serves to contain and concentrate enzymes and other macromolecule constituents. The plasma membrane is ... and bear carbohydrate moieties primarily as oligosaccharide chains that contribute to the cell coat or glycocalyx
Description : Which of the following statements are true of oxidants? A. In addition to their pathophysiologic roles in inflammation, injury, and infection, oxidants also have physiologic roles. B. Oxidants may ... involved the catalytic production of superoxide anion (O 2 ) by the enzyme xanthine oxidase.
Last Answer : Answer: ABCD DISCUSSION: Oxidants are reactive oxygen metabolites that have both physiologic and pathophysiologic roles. As potent oxidizing agents, oxidants are involved in cytochrome P ... leukocyte infiltration and activation, causing further tissue damage by the release of cytotoxic proteases
Description : Prazosin is an effective antihypertensive while nonselective a adrenergic blockers are not because (a) It is the only orally active a blocker (b) It improves plasma lipid profile (c) It does not concurrently enhance noradrenaline release (d) It improves urine flow in males with prostatic hypertrophy
Last Answer : Ans: C
Description : A direct-acting cholinomimetic that is lipid-soluble and often used in the treatment of glaucoma is (a) Acetylcholine (b) Bethanechol (c) Physostigmine (d) Pilocarpine (e) Neostigmine
Last Answer : Ans: D
Description : Major lipid class present in chylomicrons is (a) Endogenous triglycerides (b) Cholesterol esters (c) Dietary triglycerides (d) All of the above
Description : Which of the following is used to lower blood lipid levels? (a) Trimethadione (b) Clofibrate (c) Flucytosine (d) Coumarin (e) Propranolol
Last Answer : Ans: B
Description : Six months after beginning atorvastatin, the patient's total and LDL cholesterol concentrations remained above normal and he continued to have anginal attacks despite good adherence to his antianginal ... Increased endocytosis of HDL by the liver (e) Increased lipid hydrolysis by lipoprotein lipase