___ fatty acid chain length, as well as ___ the number of double bonds has the effect of increasing the fluidity of phospholipids that contain them. a) Increasing; decreasing b) Decreasing; decreasing c) Increasing; increasing d) Decreasing; increasing

Q: Which of the following is not a saturated fatty acid? A. Linoleic acid B. Caproic acid C. Myristic…

A: Fatty acid can be classified into saturated fatty acid and unsaturated fatty acid.

Q: What type of molecule is shown here? Give its biological importance?

A: The term element is associated with the pure chemical substance comprising a single atom form. An…

Q: Is a trace element an essential element? Explain.

A: Yes, trace elements are essential element. Essential elements are those which are absolutely…

Q: What is the process of lipid hydrolysis thru saponification?

A: Lipids are macromolecules that are the main constituent of the cell membranes of the cell. They are…

Q: Why are lipids not considered to bepolymers or macromolecules?

A: A polymer is a compound that has multiple monomer units connected together to form a long chain of…

Q: draw the following amino acid chains and give the single and three letter abbreviations for cysteine

A: The amino acid is the smallest unit, which helps to synthesize the polypeptide chain.

Q: Glycoproteins contain carbohydrate units covalently bonded to a polypeptide chain  True  False

A: Glycoproteins on the cell surfaces are important for communication between cells and for maintaining…

Q: Given the following data, which sample has the shortest chain fatty acids? Sample Soxhlet TBARS…

A: TBARS is defined as the content of malondialdehyde (MDA) (mg) in 1 kg of sample. TBARS analysis is…

Q: Which of the following macromolecules is represented in the picture? * Lauric Acid A fatty acid…

A: Biomolecules are the molecules have important structural as functional role in our body.  1.…

Q: ONE of the following is true about liposomes?

A: A liposome is essentially a spherical shaped vesicle. Liposomes have the ability to imbibe…

Q: Recognize the following types of biomolecules when given images such as the ones below and on the…

A: Biomolecules are the molecule which is present in living system mainly mafe up of carbon , hydrogen,…

Q: Identify the amino acids contained in each of the following tripeptides. он он он || | он…

A: Amino acids are building blocks of proteins. Amino acids have an amino group and a carboxylic acid…

Q: Why sucrose is easily hydrolyzed in an acid solution?

A: Sucrose is a type of disacharride molecule, which is formed from the monomer unit (monosaccharides).…

Q: List several examples of important monosaccharides andpolysaccharides.

A: The chemical molecules inside the cell of living things are called biomolecules. The important…

Q: Define residues.

A: A Solution is a homogenous mixture of two or more substances in relative amounts. It is a mixture of…

Q: Saponifiable lipids are lipids that undergo hydrolysis in basic solution. The following are…

A: Soaps are sodium or potassium salts of fatty acids and are produced from the hydrolysis of natural…

Q: Classify the following amino acids as nonpolar, polar basic, polar acidic, or polar neutral. (a) (b)…

A: Amino acids are the molecules that contain both amino and carboxylic acid groups. In living systems,…

Q: In each of the following pairs of fatty acids, select the fatty acid that has the higher melting…

A: C:D of acids is given (Number of carbons : Number of double bonds) Unsaturated fatty acids have…

Q: Steroids are classified as sinple lipids. True or false. Explain

A: Lipids are those substances that are found to be insoluble in water and are a crucial component of…

Q: protein whose structure is altered to the point that its activity is destroyed is said to be

A: Proteins are biomolecules constituted by amino acids long chains linked by a peptide bond which…

Q: Which of the following amino acids would be classified as a POLAR NEUTRAL amino acid? H. H3N*-C-COOH…

A: Amino acids are defined as organic compounds that join forming bigger peptides or proteins. Amino…

Q: explain why all monosaccharide and disaccharide are soluble in water

A: Carbohydrates are considered the main source of the energy.  The monosaccharide as well as…

Q: Why do cell membranes contain cholesterol?

A: All the prokaryotic and eukaryotic cells are enclosed by an elastic, thin covering called cell…

Q: All lipids cannot interact with an aqueous solution. True or Flase?

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

Q: Define the following terms: polysaccharide, furanose, pyranose, aldose, ketose, glycosidic bond,…

A: Introduction: Biomolecules are substances that are made by the body. They are present in different…

Q: Which of the following represents a proper designation for monounsaturated fatty acid ? O 18:0 O…

A: Saturated fatty acids have no double bonds in the chain. Their general formula is CH3-(CH₂)-COOH…

Q: Under the stated conditions, the majority of the protein molecules in solution would be

A:

Q: does all 20 amino acids soluble in organic solvents like acetone and chloroform? true or false

A: The monomeric unit of a polypeptide is amino acids. These are joined by a peptide bond to form these…

Q: What type of lipid I shown in the picture believe?

A: Lipids are non-polar biomolecules. Lipids are classified as simple lipids, compound lipids, and…

Q: The molecule shown is a H H H H H H H H H H H-C-C-c-ċ- OH H H H H ОА polypeptide. B. saturated fatty…

A: Biomolecules are the naturally occurring molecules that are present in the cells of living…

Q: Sphingolipids can contain of all of the following except

A: Sphingolipids are a type of lipids that occurs in the cell membranes. They are extensively found in…

Q: Proteins are made up of stands of ____________

A: Proteins are made up of stands of amino acids. The amino acids are linked together to form the…

Q: List three purposes served by protein turnover.

A: Proteins are composed of amino acids. An amino acid consists of an amino group (-NH2), a carboxylic…

Q: In what cell (prokaryotic or eukaryotic cell)  secretes a layer of polysaccharide around the cell?

A: Almost all the cells have an external plasma membrane that not only controls what enters the cell,…

Q: Which amino acid is hydrophilic (dissolves in aqueous solutions)? Why?(a) isoleucine (b)…

A: Aminoacids are grouped into four categories based on polarity and they are  1.Nonpolar, aliphatic R…

Q: Which of the following fatty acids would have the lowest melting point and boiling point? * C7-COOH.…

A:

Q: Define Membrane Lipids.

A: Introduction A lipid is a nonpolar macrobiomolecule that can be dissolved in nonpolar solvents.…

Q: Mild alkaline hydrolysis of glycophospholipids leads to, as major products,

A: Mild alkaline hydrolysis of phospholipids occur because carboxyl ester group of phospholipid are…

Q: at room temperature, amino acids are solids with relatively high decomposition points. explain why

A: Amino acid contain a central alpha-carbon, a hydrogen, an alpha-amino group, an alpha-carboxylic…

Q: Proteins are usually least soluble in water at their isoelectric points. Explain.

A: Proteins are composed of monomers, amino acids. All the amino acids have a similar backbone…

Q: Which of the following amino acids have a side chain that is capable of acting as a nucleophile? A.…

A: Amino acids are biomolecules made up of two functional groups; amino group (-NH2) and carboxyl group…

Q: In a table format, differentiate protein denaturation from protein hydrolysis.

A: Proteins are the macromolecules composed of amino acids bound together by peptide bond between amino…

Q: At isoelectric point, what is the net charge of amino acids?

A: In case of proteins , isoelectric point mostly depends on 7 charged amino acids. These are :-

Q: The intermolecular force that is most important in keeping the two layers of a lipid bilayer…

A: The lipid bilayer is a biological membrane consisting of two layers of lipid molecules. Each lipid…

Q: Which of the following amino acid residues cannot act as a nucleophile? a. Serine b. Glutamate C.…

A: Amino acids are the building blocks of proteins. They have side chain R groups that are important…

Q: For each of the following pairs of amino acids, identify the strongest type of intermolecular forces…

A: In the protein structure, there are several forces, which plays an important role for stabilization…

Q: Why do most fatty acids have an even number of carbon atoms ?

A: Most fatty acids are even-chained, e.g. stearic and oleic , meaning they are composed of an even…