Draw the structure of a salt bridge between two keratin protein strands. What kinds of ions become common in high pH solutions? Would these damage the salt bridge?

Q: Discussion Questions 1. Why does the Phenylethyl Alcohol (PEA) agar medium select for Gram positive…

A: 4- PEA agar is known as phenyl ethyl agar and is a medium which is selective and is used to…

Q: What advantages does the dimpled shape of a red blood cell offer over a completely spherical cell?

A: Cells require oxygen for their normal functioning. Most of the oxygen transported to the body is…

Q: What type of amino acids would you expect to find in a Na+ ion channel?

A: Proteins are made up of amino acids. Proteins fold in to complex three dimensional shapes.

Q: Explain which amino acids are acidic, which are basic, and which are neutral. Use theisoelectric…

A: Amino acids: At isoelectric point, proteins are neutral.

Q: 1. What are the solubility characteristics globular proteins?

A: Globular proteins are water-soluble. They forms colloids in the water. While fibrous or membrane…

Q: what is the concentration of the unknown protein in nanometers? use the information below! protein…

A:

Q: Why is chemical communication better than electrical impulses as a means of communication between…

A: INTRODUCTION: Chemical communication is one of the important way to coordinate the tissue and…

Q: How would a protein that resides in the nonpolar interior of a membrane fold compared with the…

A: How would a protein that resides in the non-polar interior of a membrane fold compared with the…

Q: How does extremely low pH cause proteins to coagulate?

A: Lower pH causes proteins to coagulate.

Q: List two important functions of proteins in human body.

A: 1) These are responsible for maintaining the osmotic pressure balance within the cells of the body.

Q: What is the key structural difference between fibrous and globular proteins? How is it related, in…

A: The key structural difference between fibrous and globular proteins has to be given.

Q: 19. The lipid bilayer is fluid-like and flexible. Because of this, it is often described as a.…

A: The lipid bilayer is a thin polar membrane made of two layers of lipid molecules. These membranes…

Q: Draw the structure of simple amino acids and identify the functional groups of this molecule.

A: The most fundamental compound of a protein is an amino acid. Amino acids are monomeric units of…

Q: The term “painkiller” is used for drugs that bind to receptors for endorphins in the CNS. How do…

A: Painkillers, sometimes called narcotics or drugs, are medications prescribed by doctors to treat…

Q: Make a "rough sketch" graph of the relationship between extracellular sodium concentration and for…

A: The membrane potential is the difference in electric potential between the interior and the exterior…

Q: What are the two types of membrane usually employed for western blotting?

A: Membranes used in western blotting are Nitrocellulose and PVDF that is Polyvinylidine Difluoride…

Q: What are examples of aberrant or discordant results in antibiotic susceptibility testing?

A: The main types of antibiotics include: Penicillins - for example, phenoxymethylpenicillin,…

Q: The secondary structure of a protein is influenced by both hydrogen bonding and London dispersion…

A: In the given question , two kinds of interactions are discussed and asked. First one is hydrogen…

Q: A solution has 0.5 mg/mL of the enzyme lysozyme. How much lysozyme is present in:   5 mL of…

A: Concentration by mass(or mass concentration) is a way to represent concentration of solute in a…

Q: Drug may bind to various macromolecular components in the blood. In a tabulated form, describe each…

A: Protein binding site : Albumin    Characteristics of Albumin : This protein is found in plants and…

Q: fruits and vegetables

A: In this question we have to explain about the specific concentration of syrup and brine for fruits…

Q: What other factors can also affect the solubility of protein?

A: The solubility of proteins can be affected by following factors ; 1. pH of a protein : The…

Q: 1. Cholesterol decreases membrane fluidity at high temperatures. Explain how the addition of…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: What is the role of Amino acid in curling hair and how we can remodify them?

A:

Q: how to determine which is one is organic layer and aqueous layer? Is the large part always the…

A: An easy way to find out which layer is on top is to fill the funnel with water. Wherever water goes,…

Q: Draw the structure of a neutral amino acid and its dipolar ion.

A: Although, we can usually write the structures of amino acids as neutral, their actual structure is…

Q: Outline the size ranges among bacteria and in comparison to otherorganisms.

A: Bacteria are single cell containing and they lack membrane bounded organelles and hence categorized…

Q: How does the flagellum dictate the behavior of a motile bacterium?Differentiate between flagella and…

A: Flagella are a cell surface structure and an appendage used for motility in the bacteria. The…

Q: are proteins stable in the presence of tannins?

A: Protein is a stable in the presence tannins  Why it happens.

Q: what are two amino acids that could form a salt bridge with each other?

A: Salt bridge is interactions of amino acids which have charges opposite to each other where heavy…

Q: Two compartments are separated by a semi- permeable membrane. In the left hand compartment is the…

A:

Q: why do proteins precipitate at the isoelectric point

A: Given : Proteins precipitate at the isoelectric point.

Q: 12. In some proteins, hydrogen bonding occurs between polar residues and the surrounding aqueous…

A: Since the interactions made is making proteins more soluble in water. Hence it is hydropfilic…

Q: A colony of bacteria accustomed to an environment with a temperature of 25 °C was moved to an…

A: Concept Introduction: Phosphoglycerides form membranes by arranging themselves in a lipid bilayer.…

Q: When a fish is cooked the tissue changes from a soft consistency to a firm one. A similar change…

A: The process of disruption and possible destruction of both the secondary and tertiary structures of…

Q: Proteins fold into complex three-dimensional shapes. The function is dependent upon the structure of…

A:

Q: What are normal spinal structures or Ferrites?

A: Normal spinel structure: It is cubic close-packed oxides with eight tetrahedral and four octahedral…

Q: Proteins have a special structure that is affected or changed by many factors. What…

A: Protein is a naturally occurring complex substance which consists of amino acid residues which are…

Q: Metal ions cause soap to be less effective because they do not allow, to form which allow dirt to be…

A: Metal ions cause soap to be less effective. It is because they make insoluble salts with the ions of…

Q: The separation of molecules within a gel is determined by the relative size of the pores formed…

A:

Q: Membranes contain proteins. Integral membrane proteins extend partly or completely through the…

A: In the integral membrane proteins, the bound fatty acid is embedded in the membrane, but the…

Q: What is the main component of biological compounds as well as a major component of many minerals?

A: Carbon is the main component of biological compounds as well as a major component of many minerals…

Q: 1. What is the structure activity relationship (SAR) of the following. And explain. -Amino acids…

A:

Q: Why are weak interactions important for maintain protein structure?

A:

Q: how could the formulation scientist prevent aggregation of a protein drug?

A: Protein aggregation: A biological phenomenon in which intrinsically misfolded proteins or disordered…

Micelles and Biological Membrane

Micelles are the type of lipid molecules that organize themselves in spherical shape in aqueous solutions. The production of the micelle is a reply to the amphipathic behavior of fatty acids. It means that they consist of both hydrophobic regions and hydrophilic regions. In micelles, polar head groups (hydrophilic groups) produce an outer layer associated with water whereas nonpolar tails (hydrophobic groups) are organized in the interior.