Description : According to fluid mosaic model, plasma membrane is composed of (a) phospholipids and oligosaccharides (b) phospholipids and hemicellulose (c) phospholipids and integral proteins (d) phospholipids, extrinsic proteins and intrinsic proteins.
Last Answer : (d) phospholipids, extrinsic proteins and intrinsic proteins.
Description : The latest model for plasma membrane is (a) lamellar model (b) unit membrane model (c) fluid mosaic model (d) molecular lipid model.
Last Answer : (c) fluid mosaic model
Description : In fluid mosaic model of plasma membrane (a) upper layer is non-polar and hydrophilic (b) upper layer is polar and hydrophobic (c) phospholipids form a bimolecular layer in middle part (d) proteins form a middle layer.
Last Answer : (c) phospholipids form a bimolecular layer in middle part
Description : Describe Plasma membrane with reference to Fluid Mosaic model.
Last Answer : Ans: Fluid Mosaic model was proposed by Singer and Nicholson. This model states that plasma membrane is semi-solid. It has bimolecular fluid like lipid zone in which the solid like proteins are ... ). This model best explains the functions of plasma membrane. Hence it is most acceptable model.
Description : Keeping in view the fluid mosaic model' for the structure of cell membrane, which one of the following statement is correct with respect to the movements of lipids and proteins from one lipid ... ) Both lipids and proteins can flip-flop (d) While lipids can rarely flip-flop, proteins cannot.
Last Answer : (d) While lipids can rarely flip-flop, proteins cannot.
Description : What is the function of the fluid mosaic model of a cell membrane? -Biology
Last Answer : answer:
Description : Keeping in view the fluid mosaic model for the stucture of cell membrane, which one of the following statements is correct with respect to the movemen
Last Answer : Keeping in view the fluid mosaic model for the stucture of cell membrane, which one of the ... While lipids can rarely flip-flop,proteins can not
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
Last Answer : Answer : D
Description : Fluid mosaic model of cell membrane was put forward by (a) Danielli and Davson (b) Singer and Nicolson (c) Garner and Allard (d) Watson and Crick.
Last Answer : (b) Singer and Nicolson
Description : According to widely accepted fluid mosaic model cell membranes are semi-fluid, where lipids and integral proteins can diffuse randomly. In recent years, this model has been modified in several ... domains of the membrane. (d) Many proteins remain completely embedded within the lipid bilayer.
Last Answer : (b) Proteins can also undergo flip-flop movements in the lipid bilayer.
Description : Select the correct statement from the following regarding cell membrane. (a) Na+ and K+ ions move across cell membrane by passive transport. (b) Proteins make up 60 to 70% of the cell ... towards the inner part. (d) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson
Last Answer : (d) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson.
Description : Select the correct statement from the following regarding cell membrane (1) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson (2) Na+ and K+ ions move across cell membrane by ... of the cell membrane (4) Lipids are arranged in a bilayer with polar heads towards the inner part
Last Answer : (1) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson
Description : ″Proteins icebergs in a sea of lipids” is stated by (A) Lamellar Model (B) Unit-membrane Model (C) Fluid-Mosaic model (D) Micellar Model
Last Answer : (C) Fluid-Mosaic model
Description : Which of the following cell part is described as a "fluid mosaic"? (A) Chloroplast (B) Vacuole (C) Cell membrane (D) Endoplasmic reticulum
Last Answer : (C) Cell membrane
Description : Name the scientist who proposed fluid mosaic model. -Biology
Description : What is fluid mosaic model? -Biology
Description : What is The fluid mosaic model describes the .?
Last Answer : The cell membrane.
Description : Q. What are the characteristics of fluid mosaic model?
Last Answer : A. Membrane is composed of lipid bilayer. Phospholipids are arranged in bilayers with a hydrophobic core
Description : What is Fluid Mosaic Model?
Last Answer : According to the this model the cell membrane consists of lilpid bilayer in which most protein molecules float about while some stay embedded in the membrane.
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 : The process by which cell can take in fluid and molecules too large to be carried across the plasma membrane by active transport is called a. phagocytosis b. Pinocytosis c. absorption d. diffusion
Last Answer : Pinocytosis
Description : The figure given below show the structure of plasma membrane, with its parts labelled from A to E, Identify the correct :-
Last Answer : The figure given below show the structure of plasma membrane, with its parts labelled from A ... . `Dto` Its polar tail contain saturated hydrocarbon
Description : What term describes the structure of a cell plasma membrane because of its oily nature and embebbed proteins?
Last Answer : fluid mosaic
Description : The gram-positive bacteria lack __________ structure/component? A.outer membrane B.murein C.teichoic acid D.plasma membrane
Last Answer : A.outer membrane
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 : 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) The steroid nucleus form forms a rigid, planar Structure
Description : Explain the association of carbohydrate to the plasma membrane. -Biology
Last Answer : hey mate here is your answer... Explanation: ☑️ It forms glycolipids and glycoproteins on the outer surface of plasma membrane. The association functions as recognition centres, antigens, receptors and sites for attachment. Hope it helps!!✌️
Description : Explain in brief about leukotrienes and prostaglandins Leukotrienes and prostaglandins are formed only when the mast cell undergo degranulation and enzymatic break down of phospholipids in the plasma membrane ?
Last Answer : The effects produced by them are more pronounced and long lasting than histamine. Leukotrienes mediate mucous production and bronchoconstriction. Prostaglandin D2 causes bronchoconstriction.
Description : 11. Which of the following theories explain that plasma membrane is selectively permeable: (a) Unit membrane theory (b) Cascade theory © Sandwich theory (d) Fluid Mosaic theory
Last Answer : Answer: d Fluid Mosaic theory
Description : What is the function of the plasma membrane?
Last Answer : A: The plasma membrane is responsible for regulating the passage of molecules into and out of the cell, and also provides structural support and protection to the cell.
Last Answer : A: The plasma membrane regulates the passage of materials in and out of the cell, and helps to maintain the cell's internal environment.
Description : What would happen if the plasma membrane ruptures or breaks down? -Science
Last Answer : If the plasma membrane ruptures or breakdown then the cell will not be able to exchange material from its surrounding by diffusion or osmosis. Thereafter the protoplasmic material will be disappeared and the cell will die.
Description : Plasma membrane is made up of which two components? -Biology 9th
Description : What are the functions of plasma membrane? -Biology
Description : How do neutral solutes move across the plasma membrane? -Biology
Description : What is the biochemical composition of plasma membrane? -Biology
Description : Functions of plasma membrane in a cell. -Biology
Description : Cytoplasm vs plasma membrane? -Biology
Description : On the outside of the plasma membrane, _____ act as signals or markers to help cells recognize one another?
Last Answer : carbohydrates
Description : What is Plasma Membrane ?
Last Answer : : The elastic and semi-permeable living membrane that surrounds all pratoplasm beneath the cell wall is called plasma membrane , cell membrane , cytomembrane or cell membrane.
Description : $ The biomembrane which surrounds a vacuole is called Tonoplast. ! Ribosomes have a plasma membrane.
Last Answer : $ The biomembrane which surrounds a vacuole is called Tonoplast. ! Ribosomes have a plasma membrane. A. If ... wrong D. If both As and R are wrong.
Description : The plasma membrane consists mainly of
Last Answer : The plasma membrane consists mainly of A. proteins embedded in a carbohydrate bilayer B. proteins ... embedded in a polymer of glucose molecules D.
Description : Steroid hormones easily pass through plasma membrane by simple diffusions because by
Last Answer : Steroid hormones easily pass through plasma membrane by simple diffusions because by A. Are lipid- ... through pores D. Contains carbon and hydrogen
Description : Give the functions of plasma membrane.
Last Answer : Give the functions of plasma membrane.
Description : Give an account of eukaryotic plasma membrane.
Last Answer : Give an account of eukaryotic plasma membrane.
Description : What are the muscle fibers of a plasma membrane called?
Last Answer : endomysium
Description : What is Another name for cell and plasma membrane?
Last Answer : What is the answer ?
Description : What transport process uses kinetic energy to pass substances through the plasma membrane?
Description : What would happen if the plasma membrane were made primarily of a hydrophilic substance such as carbohydrate?