An amphipathic molecules are those have a اخترأحد الخيارات a. hydrophilic chains and lonic and polar ends b. hydrophilic chains and ionic or polar ends c. hydrophobic chains and ionic or polar ends d. hydrophobic chains and ionic and polar ends

Q: Phospholipids are important components of __________. a. the plasma membrane of cells b. the ring…

A: Plasma membrane is a lipid bilayer. Alcohol, fatty acids, phosphates, and an alcohol attached to a…

Q: B-pt and M-pt of various organic compounds depends on intermolecular forces of attraction which…

A: Organic molecules are primarily made up of carbon, hydrogen, nitrogen, and oxygen atoms. The organic…

Q: This molecule is a: a) phospholipid b) nucleic acid c) fatty acid d) carbohydrate e) amino acid

A: Biological lipids are a chemically diverse group of organic compounds which are insoluble or only…

Q: The nucleic acid bases: A)absorb ultraviolet (260 nm) light. B)have all of these described…

A: Introduction: Nucleic acids are one of the major macromolecules present mainly in the nucleus of the…

Q: What is the reaction of fats with strong bases producing salts of the fatty acids known as metallic…

A: The triacylglycerols undergo stepwise enzymatic hydrolysis and liberate free fatty acids and…

Q: Which of the following is incorrect regarding phospholipids?a. The heads are polar.b. The tails are…

A: Phospholipids are the major constituents of the cell membrane. Lipid bi-layers are formed due to…

Q: Describe the type of bonds and the atoms those bonds are between that define the tail as saturated…

A: Saturated fat is a type of dietary fat. It is one of the unhealthy fats, along with trans fat.…

Q: Phospholipids are important components of A. bacterial cell walls B. ribosomes C. carbohydrates…

A: Phospholipids are defined as the class of lipids whose molecule will have a hydrophilic head…

Q: Draw the structures of L-Cysteine from highly protonated to depronated form. Note Structure A as the…

A: The proteins are constituted of 20 naturally occurring amino acids. The amino acids cysteine has a…

Q: The ability of non-polar substances like fat molecules to clump together in water thereby allowing…

A: Fats are non-polar molecules and generally insoluble in water. Non-polar molecules can not make…

Q: Washing your hands with soap before molding ground beef into hamburger patties:

A: In the process of preparing patties for hamburgers, people working there are instructed to wash and…

Q: This type of noncovalent bond is responsible for clustering fatty acid tails of phospholipids in a…

A: Lipids are biomolecules that are made up of carbon, hydrogen, and oxygen. They are not polymers like…

Q: which statement about phospholipids is false? a. they are hydrophobic at one end b. they are…

A: Answer is c

Q: Lipids are generally(a) Hydrophobic(b) Present in cell membranes(c) Composed of fatty acids(d) A…

A: Biomolecules make up the biological living world. The major biomolecules are proteins,…

Q: The type of linkages found between monomer units in nucleic acids is a   ether b   amide c…

A: Introduction: Nucleic acids are molecules that store genetic formation for cellular growth and…

Q: What portion of a phospholipid does not associate with water? A.) the fatty acid tails B.) glycerol…

A: Introduction:- Phospholipids  are major components of the plasma membrane .The outer most layer of…

Q: The folding of a protein  a   involves unfavorable entropy b   involves favorable entropy c…

A: Proteins are macromolecules made up of long polypeptide chains usually of L-amino acids. . Proteins…

Q: Amino acid Tyrosin (Y) is belong to which classification group? A. Polar Hydrophobic B. Nonpolar…

A: Amino acids are the macromolecules that consist of the carboxyl group, amino group, and R-group…

Q: What type of lipids would you expect to find concentrated in lipid rafts? APoly-unsaturated…

A:

Q: What are the components of a phospholipid? SELECT ALL THAT APPLY A. A polar phosphate group  B.…

A: Phospholipids are complex or compound lipids containing phosphoric acid in addition to fatty acid…

Q: 8.The only imino acid a. Gly b. Cys c. Lys d. Pro

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Proteins are synthesized by linking amino acids with ___________bonds.a. disulfideb. glycosidicc.…

A: Proteins are made up of amino acids.

Q: Peptide bond cleavage is a _____________ reaction. a. hydration b. hydrolysis c. addition d.…

A: The peptide is considered as an amide bond, which is formed between the two amino acid residues.

Q: A) List six differences between prokaryotic and eukaryotic cells. B) Show how a triglyceride is…

A: 1.Prokaryotes lack membrane-bound organelles like mitochondria, chloroplast.Eukaryotes are…

Q: Glucose is a polar molecule. Would you predict that the amino acids of the enzyme hexokinase in the…

A: hexokinase catalyzes the transfer of the phosporyl group. The enzyme undergoes induced-fit…

Q: The base pairs are held together primarily bya. covalent bonds b. ionic bonds c. hydrogen bonds d.…

A: The two nucleotide chains in the DNA molecules are in the form of double helix, each of which…

Q: . Polypeptides are synthesized from amino acid building blocks. The condensation reactio between two…

A: *NOTE: Kindly repost for other questions. Dear Student as per the guidelines we are supposed to…

Q: Fatty acids in phospholipids and triacylglycerols interact with one another by (a) disulfide bridges…

A: The correct answer to the above question is e. Fatty acids in phospholipids and triacylglycerols do…

Q: 4. A Phospholipid molecule has: A. two hydrophobic tails and one hydrophilic head B. two hydrophilic…

A: Phospholipids are a type of lipid present predominantly in plasma membrane forming lipid bilayer.…

Q: What is the chemical mechanism by which cells make polymers from monomers? A. Phosphodiester…

A: The repeating monomer units undergo a polymerization reaction to form a long chain of polymers. The…

Q: The cholesterol molecule is OA. an aromatic ring B. a straight chain acid O C. a steroid OD.…

A: Cholesterol Is any of a class of organic molecules known as lipids. It is a sterol, which is a type…

Q: Water molecules have one oxygen atom that is more electronegative than the two hydrogen atoms bound…

A: In biological molecules, two main types of bonds are found that is covalent and non-covalent bonds.…

Q: Carbon is particularly well suited to be the backbone of organic molecules because (a) it can form…

A: Carbon is a chemical element with an atomic number of 6. Carbon is non-metallic and has four…

Q: Carbons is used in cells for  a) forming the charge across the membrane by serving a positive…

A: Cell mass - Composed of elements present in nature out of which carbon is a very important element.

Q: A coiled peptide chain held in place by hydrogen bonding between peptide bonds in the same chain is…

A: Proteins are the biomolecules that are building blocks of the body. Proteins are made up of amino…

Q: 90% of our body is made of water. Use a water molecule to describe the relationship among all the…

A: 60% is water in the human adult body. The human brain and heart are made of 73% water. Lungs are…

Q: Using the image below answer the following question. What does "3" indicate? 2 - CH2 – CH2 – CH2 –…

A: answer : The type of bond which is present in the third number is the hydrogen bond.

Q: What type of reaction will break down large polymers with the addition of water? A.) exchange…

A: A chemical reaction is a process in which reactants are converted to one or more different products.

Q: Four of these are related. Select the exception. O hydrophobic with nonpolar side chains O…

A: Proteins are large biomolecules that compose structural and motor elements of a cell, and also as…

Q: In the presence of water, nonpolar associations form between molecules or regions of molecules that…

A: Hydrophobic molecules are nonpolar; "hydro-" refers to water, while "-phobic" refers to dread.…

Q: 1. a) Construct two molecules, each with 4 carbons, with one being soluble in water and the other…

A: Introduction Diethylamine (CH3CH2)2NH is a secondary amine that is soluble in water. However,…

Q: Which bond in a polypeptide backbone does not freely rotate? a. The bond between CO and NH b. The…

A: The polypeptide chain consists of amino acids that are linked by a peptide bond where the carboxyl…

Q: Which of the following best describes the process of Dissociation? A.  the breaking of covalent…

A: Ionic bond is produced by the complete transfer of electrons from one atom to another atom.…

Q: The partial negative charge at one end of a water molecule is attracted to the partial positive…

A: A chemical compound is formed when two or more different atoms chemically bond together. Carbon…

Q: Word Bank: A. Oligosaccharide B. Hydrophobic ahelix C. Glycolipid D. Phospholipid E. Integral…

A: The cellular membrane is a membrane that isolates all cells' interiors from the outside world.

Q: Indicate which of the following are present in the primary, secondary, tertiary, and quaternary…

A: Primary Structure is defined as the linear chain of amino acid sequence. Secondary structure is the…

Q: 16. Lipids are A. Polar molecules B. Similar to water molecules C. Protein molecules D. Hydrophobic

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: An amino acid whose side chain can behave as hydrogen bond donor is O a. Ala O b. Ser O c. Phe O d.…

A: Introduction: The monomers that build proteins are found to be amino acids. They form peptides…