Denaturation is usually associated with transitions from helical structures to random coils. If an Imaginary process were to transform the keratin in your hair from an a-helix to a B-pleated sheet structure, would you call the process denaturation? Explain.

Q: Describe the mechanisms by which microfilaments assemble.

A: The cytoskeleton is a network of protein filaments that provides structural support, shape, and…

Q: Which of the following phospholipids islocalized to a greater extent in the outerleaflet of the…

A: (A) Choline phosphoglycerides are localized to a greater extent in the outer leaflet of the membrane…

Q: Paclitaxel stabilizes microtubules by inhibiting the disassembly of the tubulin subunits.  What…

A: Answer: Paclitaxel stabilizes  microtubules by inhibiting the disassembly of the tubulin subunits…

Q: What typical structure[s] is/are found in integral membrane proteins – how do they span the…

A: Introducion Cell membrane or plasma membrane separates the cell from outside environment. The plasma…

Q: B) We also know from studies of protein structure that one turn of an a-helix includes 3.6 amino…

A: Given Values: Number of residues in a helical turn = 3.6 amino acids The distance covered by a turn…

Q: As an example, consider albumin, a protein made of a single polypeptide weighing 66,000 daltons (66…

A: Gel electrophoresis if the technique of separation of molecules on the basis of their size and…

Q: . Vwhat do you think holds together the various secondary structural elements in a Stickular…

A: These questions are about interactions in amino acids.

Q: A human chromosome (During Mitosis) is 4 µm long but contains 16 mm of DNA. What is the packing…

A: There are a few important points. DNA will exist in a nucleoprotein complex known as chromatin. A…

Q: Which one of the following statements comparing alpha keratin and silk fibroin is a true statement?…

A: Introduction: Alpha-keratins are proteins that form tough fibers and are found in hair, nails, and…

Q: Describe the macromolecular and biophysical characteristics of collagen in the extracellular matrix…

A: There are few points to know about collagen.  It is the major structural protein in the…

Q: I don't understand, pls help ASAP!

A: The beta-sheet of the spider comprises the alanine.

Q: Regarding actin filaments, colchicine and taxol effects actin polymerization/depolymerization, what…

A: The Taxol and colchicine are used to treat cancer we known that, because they arrest dividing cells…

Q: If viroids are circular molecules, why are they depictedas hairpins?

A: Viroids are the small infectious agents which consist of single stranded RNA as their genetic…

Q: Polypeptides which are normally synthesized in the endoplasmic reticulum are about 20 amino acids…

A: Proteins are synthesized by the ribosomes present on the endoplasmic reticulum, thus they are known…

Q: Collagen is produced as procollagen and then processed to collagen extracellularly. What would…

A: The major structural protein found in the skin, as well as the various kinds of connective tissues…

Q: calculate the length in (in nm) of a 100-residue segment of the α-keratin coiled coil

A: The α-helix in proteins has 3.6 amino acids per turn and a pitch (the distance needed for one…

Q: Estimate the number of amino acid residues in each of the two helices of a segment of the…

A: The structural configuration of alpha-keratin proteins, a class of fibrous structural protein…

Q: below). The red arrow indicates the amino acid lysin (K) that binds to the oxygen of the retinol…

A: The given diagram shows the primary structure of rhodopsin and tertiary structure of rhodopsin and…

Q: Phospholipids (Which is charged, what is the functional significance? Are they preferentially…

A: Phospholipids are biomolecules that are composed of glycerol, phosphate group, and lipids/ fatty…

Q: Which fibrous protein is found in connective tissue and consists of 3 left-handed helices twisted…

A: Fibrous proteins are a large class of proteins which provide strength and/or flexibility to the…

Q: You are studying the rate of actin polymerization and depolymerization in an in-vitro hypothetical…

A: Actin monomers are the basic building blocks of actin filaments, which are one of the three major…

Osmosis

In simple words, osmosis is the slow, gradual movement of a liquid through a membrane. But there are nuances to this process. For instance, there has to be an imbalance in the distribution of solute in the liquid on either side of the membrane, which has to be semipermeable. The liquid in the region with a lower solute concentration moves to the region with a higher concentration, thereby displacing the solution in the process. The objective is to equalize the concentration of molecules on both sides of the membrane; the displacement of liquid can be viewed as a byproduct of this equalization. Since there is no energy required to carry osmosis, it is considered a passive process.