What is the major type of lipids found in the cell membrane?

What is the major type of lipids found in the cell membrane?
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Can small lipids diffuse into cell membrane through diffusion?

Description : Can small lipids diffuse into cell membrane through diffusion?

Last Answer : Feel Free to Answer

Lipids have the following properties: (A) Insoluble in water and soluble in fat solvent (B) High energy content (C) Structural component of cell membrane (D) All of these

Description : Lipids have the following properties: (A) Insoluble in water and soluble in fat solvent (B) High energy content (C) Structural component of cell membrane (D) All of these

Last Answer : Answer : D

Cell recognition and adhesion occur due to biochemicals of cell membrane named (a) Proteins (b) Lipids (c) Proteins and lipids (d) Glycoproteins and glycolipids

Description : Cell recognition and adhesion occur due to biochemicals of cell membrane named (a) Proteins (b) Lipids (c) Proteins and lipids (d) Glycoproteins and glycolipids

Last Answer : Ans:(d)

out of proteins; lipids and carbohydrates present in a cell membrane; what is true?

Description : out of proteins; lipids and carbohydrates present in a cell membrane; what is true?

Last Answer : Carbohydrates are minimum

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 respects. In this regard, which of the following statements is incorrect? (a) Proteins in cell membranes can travel within the lipid bilayer. (b) Proteins can also undergo flip-flop movements in the lipid bilayer. (c) Proteins can remain confined within certain domains of the membrane.(d) Many proteins remain completely embedded within the lipid bilayer.

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.

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 monolayer to the other (described as flip-flop movement)?(a) While proteins can flip-flop, lipids can not (b) Neither lipids, nor proteins can flip-flop (c) Both lipids and proteins can flip-flop (d) While lipids can rarely flip-flop, proteins cannot.

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.

Vacuole in a plant cell (a) lacks membrane and contains air (b) lacks membrane and contains water and excretory substances (c) is membrane-bound and contains storage proteins and lipids (d) is membrane-bound and contains water and excretory substances.

Description : Vacuole in a plant cell (a) lacks membrane and contains air (b) lacks membrane and contains water and excretory substances (c) is membrane-bound and contains storage proteins and lipids (d) is membrane-bound and contains water and excretory substances.

Last Answer : (d) is membrane-bound and contains water and excretory substances.

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 membrane. (c) Lipids are arranged in a bilayer with polar heads towards the inner part. (d) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson

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.

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 passive transport (3) Proteins make up 60 to 70% of the cell membrane (4) Lipids are arranged in a bilayer with polar heads towards the inner part

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

06. A hydrophilic medicinal agent has the following property: a) Low ability to penetrate through the cell membrane lipids b) Penetrate through membranes by means of endocytosis c) Easy permeation through the blood-brain barrier d) High reabsorption in renal tubules

Description : 06. A hydrophilic medicinal agent has the following property: a) Low ability to penetrate through the cell membrane lipids b) Penetrate through membranes by means of endocytosis c) Easy permeation through the blood-brain barrier d) High reabsorption in renal tubules

Last Answer : a) Low ability to penetrate through the cell membrane lipids

Cholesterol is an example of (a) Membrane lipids (b) Triglycerides (c) Steroids (d) Adipose tissue

Description : Cholesterol is an example of (a) Membrane lipids (b) Triglycerides (c) Steroids (d) Adipose tissue

Last Answer : The correct answer is (c) Steroids. Cholesterol is a type of steroid, which is a specific class of lipids. It is an essential molecule found in animal cell membranes and is involved in various ... is a type of lipid, it is not classified as a membrane lipid, triglyceride, or adipose tissue.

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 : 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

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.

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.

.Plasma membrane is made of (a) proteins and carbohydrates (b) proteins and lipids (c) proteins, lipids and carbohydrates (d) proteins, some nucleic acid and lipids.

Description : .Plasma membrane is made of (a) proteins and carbohydrates (b) proteins and lipids (c) proteins, lipids and carbohydrates (d) proteins, some nucleic acid and lipids.

Last Answer : (c) proteins, lipids and carbohydrates

The phospholipids present in cytoplasm membrane of the archaeo- bacteria is A- phosphoglycerides B- polyisoprenoid C- polyisoprenoid branched chain lipids D- none of the bove

Description : The phospholipids present in cytoplasm membrane of the archaeo- bacteria is A- phosphoglycerides B- polyisoprenoid C- polyisoprenoid branched chain lipids D- none of the bove

Last Answer : polyisoprenoid branched chain lipids

″Proteins icebergs in a sea of lipids” is stated by (A) Lamellar Model (B) Unit-membrane Model (C) Fluid-Mosaic model (D) Micellar Model

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

In a plasma membrane, which of the following provides a general barrier to the movement of molecules? a) lipids b) proteins c) carbohydrates d) all of these

Description : In a plasma membrane, which of the following provides a general barrier to the movement of molecules? a) lipids b) proteins c) carbohydrates d) all of these

Last Answer : ANSWER: A -- LIPIDS 

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.

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.

What are the major groups of compounds classified under lipids? -Biology

Description : What are the major groups of compounds classified under lipids? -Biology

Last Answer : answer:

What are the major functions of lipids in living organisms? -Biology

Description : What are the major functions of lipids in living organisms? -Biology

Last Answer : Role of lipids in the body.Chemical messengers.Storage and provision of energy.Maintenance of temperature.Membrane lipid layer formation.Cholesterol formation.Prostaglandin formation and role in inflammation.The "fat-soluble" vitamins.

A major site for synthesis of lipids is

Description : A major site for synthesis of lipids is

Last Answer : A major site for synthesis of lipids is A. Nucleoplasm B. RER C. SER D. Symplast

The major storage form of lipids is (A) Esterified cholesterol (B) Glycerophospholipids (C) Triglycerides (D) Sphingolipids

Description : The major storage form of lipids is (A) Esterified cholesterol (B) Glycerophospholipids (C) Triglycerides (D) Sphingolipids

Last Answer : Answer : C

Glycogen is the major storage form of B A. Carbohydrate B. Protein C. Lipids D. Glycoprotein

Description : Glycogen is the major storage form of  B A. Carbohydrate B. Protein C. Lipids D. Glycoprotein

Last Answer : Protein

Glycogen is the major storage form of B A. Carbohydrate B. Protein C. Lipids D. Glycoprotein

Description : Glycogen is the major storage form of B A. Carbohydrate B. Protein C. Lipids D. Glycoprotein

Last Answer : Protein

A major site for synthesis of lipids is (a) symplast (b) nucleoplasm (c) RER (d) SER

Description : A major site for synthesis of lipids is (a) symplast (b) nucleoplasm (c) RER (d) SER

Last Answer : (d) SER

The Golgi complex plays a major role (a) as energy transferring organelles (b) in post translational modification of proteins and glycosylation of lipids (c) in trapping the light and transforming it into chemical energy (d) in digesting proteins and carbohydrates.

Description : The Golgi complex plays a major role (a) as energy transferring organelles (b) in post translational modification of proteins and glycosylation of lipids (c) in trapping the light and transforming it into chemical energy (d) in digesting proteins and carbohydrates.

Last Answer : (b) in post translational modification of proteins and glycosylation of lipids

Which one of the following structural formulae of two organic compounds is correctly identified along with its related function?(a) B : Adenine - A nucleotide that makes up nucleic acids (b) A : Triglyceride - Major source of energy (c) B : Uracil - A component of DNA (d) A : Lecithin - A component of cell membrane

Description : Which one of the following structural formulae of two organic compounds is correctly identified along with its related function? (a) B : Adenine - A nucleotide that makes up nucleic acids (b) A : Triglyceride - ... ) B : Uracil - A component of DNA (d) A : Lecithin - A component of cell membrane

Last Answer : (d) A : Lecithin - A component of cell membrane

Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Description : Which of the following is not true for prokaryotic organism? A.Nucleus is not bounded by nuclear membrane B.Chromosomes does not contain histones C.80S ribosomes are distributed in cytoplasm D.Cell wall contains peptidoglycan as one of the major component

Last Answer : C.80S ribosomes are distributed in cytoplasm

Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Description : Which of the following is not true for prokaryotic organism? A- Nucleus is not bounded by nuclear membrane B- Chromosomes does not contain histones C- 80S ribosomes are distributed in cytoplasm D- Cell wall contains peptidoglycan as one of the major component

Last Answer : 80S ribosomes are distributed in cytoplasm

Name all the elements found in lipids (fats)?

Description : Name all the elements found in lipids (fats)?

Last Answer : sulfur, chlorine, and helium

The chemical component that is invariably found in all viruses is (1) proteins (2) lipids (3) DNA (4) RNA

Description : The chemical component that is invariably found in all viruses is (1) proteins (2) lipids (3) DNA (4) RNA

Last Answer : (1) proteins Explanation: All viruses contain the following two components: a nucleic acid genome and a protein capsid that covers the genome. Together this is called the nucleocapsid. The proteinous ... , many animal viruses contain a lipid envelope. The entire intact virus is called the virion.

In which of the following class of substances would WAX be found? w) carbohydrates x) lipids y) proteins z) nucleic acids

Description : In which of the following class of substances would WAX be found? w) carbohydrates x) lipids y) proteins z) nucleic acids

Last Answer : ANSWER: LIPIDS

Peptide bonds are found in: a) carbohydrates b) lipids c) nucleic acids d) proteins

Description : Peptide bonds are found in: a) carbohydrates b) lipids c) nucleic acids d) proteins

Last Answer : ANSWER: D -- PROTEINS

The chemical component that is invariably found in all viruses is : (1) proteins (2) lipids (3) DNA (4) RNA

Description : The chemical component that is invariably found in all viruses is : (1) proteins (2) lipids (3) DNA (4) RNA

Last Answer : proteins

$ Minerals from 25 to 30% of the cell contents. ! Lipids form 40 to 50% of the cell contents.

Description : $ Minerals from 25 to 30% of the cell contents. ! Lipids form 40 to 50% of the cell contents.

Last Answer : $ Minerals from 25 to 30% of the cell contents. ! Lipids form 40 to 50% of the cell contents. A. If ... R is wrong D. If both As and R are wrong.

The basic structure of cell membranes (a) Is a lipid bilayer that serves as a barrier to water soluble molecules (b) Differs ultra structurally for internal and external membranes of cell (c) Is best described as lipids dispersed within a protein bilayer (d) Is visualised as bilaminar structure with transmission electron microscopy

Description : The basic structure of cell membranes (a) Is a lipid bilayer that serves as a barrier to water soluble molecules (b) Differs ultra structurally for internal and external membranes ... dispersed within a protein bilayer (d) Is visualised as bilaminar structure with transmission electron microscopy

Last Answer : Ans:(a)

RNA is intimately associated with synthesis of which constituent of the cell. a. Carbohydrates b. Proteins c. Lipids d. Inorganics

Description : RNA is intimately associated with synthesis of which constituent of the cell. a. Carbohydrates b. Proteins c. Lipids d. Inorganics

Last Answer : Proteins

What are the most diverse molecules in the cell? (a) Lipids (b) Mineral salts (c) Proteins (d) Carbohydrates (

Description : What are the most diverse molecules in the cell? (a) Lipids (b) Mineral salts (c) Proteins (d) Carbohydrates (

Last Answer : (c) Proteins

Cell recognition and adhesion occur due to biochemicals of cell membranes named (a) proteins (b) lipids (c) proteins and lipids (d) glycoproteins and glycolipids.

Description : Cell recognition and adhesion occur due to biochemicals of cell membranes named (a) proteins (b) lipids (c) proteins and lipids (d) glycoproteins and glycolipids.

Last Answer : (d) glycoproteins and glycolipids.

Where are proteins found in the cell membrane? -Biology

Description : Where are proteins found in the cell membrane? -Biology

Last Answer : answer:

What are the three types of proteins found in the cell membrane? -Biology

Description : What are the three types of proteins found in the cell membrane? -Biology

Last Answer : answer:

What cell part are found in plant cells that is found outside the cell membrane?

Description : What cell part are found in plant cells that is found outside the cell membrane?

Last Answer : Need answer

Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in vesicles and secretory granules d. moved across the cell membranes by endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

Description : Proteins that are secreted by cells are generally a. not synthesized on membrane-bound ribosomes b. initially synthesized with a signal peptide or leader sequence at their C terminal c. found in ... endocytosis e. secreted in a form that is larger than the form present in the endoplasmic reticulum

Last Answer : found in vesicles and secretory granules

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

Which of the following structures is not found in a prokaryotic cell? (a) Mesosome (b) Plasma membrane (c) Nuclear envelope (d) Ribosome

Description : Which of the following structures is not found in a prokaryotic cell? (a) Mesosome (b) Plasma membrane (c) Nuclear envelope (d) Ribosome

Last Answer : (c) Nuclear envelope

Plant cells contain the following 3 things not found in animal cells _________, _____________ and ______________. (A) Plastids / Chlorophyll / Membrane (B) Chloroplast / Cell wall / Golgi body (C) Plastids / Cell wall / Chlorophyll (D) Mitochondria / Cell wall /

Description : Plant cells contain the following 3 things not found in animal cells _________, _____________ and ______________. (A) Plastids / Chlorophyll / Membrane (B) Chloroplast / Cell wall / Golgi body (C) Plastids / Cell wall / Chlorophyll (D) Mitochondria / Cell wall /

Last Answer : (C) Plastids / Cell wall / Chlorophyll

.All plastids have similar structure because they can (a) store starch, lipids and proteins (b) get transformed from one type to another (c) perform same function (d) be present together.

Description : .All plastids have similar structure because they can (a) store starch, lipids and proteins (b) get transformed from one type to another (c) perform same function (d) be present together.

Last Answer : (b) get transformed from one type to another

The figure below shows the structure of a mitochondrion with its four parts labelled A, B, C and D. Select the part correctly matched with its function. D B A C (a) D (outer membrane) – gives rise to inner membrane by splitting (b) B (inner membrane) – forms infoldings called cristae (c) C (crista) – possesses single circular DNA molecule and ribosomes (d) A (matrix) – major site for respiratory chain enzyme

Description : The figure below shows the structure of a mitochondrion with its four parts labelled A, B, C and D. Select the part correctly matched with its function. D B A C (a) D (outer ... possesses single circular DNA molecule and ribosomes (d) A (matrix) - major site for respiratory chain enzyme

Last Answer : (b) B (inner membrane) – forms infoldings called cristae

Which type of DNA is found in bacteria? (a) Circular free DNA (b) Membrane bound DNA (c) Straight DNA (d) Helical DNA

Description : Which type of DNA is found in bacteria? (a) Circular free DNA (b) Membrane bound DNA (c) Straight DNA (d) Helical DNA

Last Answer : (a) Circular free DNA