What is the primary characteristic of peripheral membrane proteins? A: They cannot be post-translationally modified. B: They span the entire lipid bilayer, sometimes multiple times. C: Detergents or nonpolar solvents are necessary to remove them from the lipid bilayer. D:Weak intermolecular forces keep them attached to the lipid membrane.

Q: What is Rough endoplasmic reticulum (RER) ?

A: Endoplasmic reticulum (ER) is a single membrane bound organelle. It consists of a network of closed…

Q: With regard to cytoskeletal structure and function, a) Outline the structure and organisation of…

A: The cytoskeleton is the web of fibres that makes up eukaryotic, prokaryotic, and archaeal cells.…

Q: Name the three major assumptions made by the "Cell theory". (i) The lipid membrane is composed of…

A: The "Cell theory" is a fundamental principle in biology that describes the basic characteristics of…

Q: Which of the following best describes an integral membrane protein? A.A protein that has an…

A:

Q: Ions cannot cross directly through a lipid bilayer, yet we know they travel in and out of cells.…

A: The cell membrane is a structure which protects the cell and acts as a barrier and transports the…

Q: The lipid portion of a typical bilayer is about 30 Å thick. (a) Calculate the minimum number of…

A: Since we answer upto three subparts at a time, therefore we are answering the first three listed…

Q: You Are Examing A Protien That Is Secreted By White Blood Cells.What Is The Most Likely Route This…

A: Secretory proteins are always secreted out of the cells and include hormones, enzymes, toxins,…

Q: Define the following terms:a. protein turnoverb. proteasomec. ubiquitind. ubiquitinatione. autophagy

A: Proteins are the macromolecules that perform various functions in different aspects of cell…

Q: Protein X is normally used to transport sugar into cells, so the cell can break down the sugar and…

A: Protein folding is the physical process by which a protein chain acquires its native 3-dimensional…

Q: Free ribosomes in the cytosol and ribosomes bound to the ER membrane have: 1) different types of…

A: Ribosomes are macromolecular devices that conduct biological protein synthesis and are present in…

Q: What exactly causes the P, A, and E sites in ribosomes to form and when do they form?

A: ribosomes are the protein synthesis site of the cell . the mRNA which have the gentic code…

Q: Choose the correct order of events for protein synthesis of an INTEGRAL MEMBRANE PROTEIN. 1.…

A: Gene expression is the process by which information from a gene is used in the synthesis of a…

Q: d. Which types of amino acids could you expect to find on the exterior of transmembrane proteins…

A: The environment in the interior of the lipid bilayer of the membrane is hydrophobic in contrast to…

Q: Match the following structures with their definitions: (1) Golgi apparatus (2) mitochondria (3)…

A: Cell provide shape, structure and carry out functions is our body. The structure present in cell are…

Q: A) Describe in as much detail as you can, the fluid mosaic model of a cellular membrane. B) What is…

A: In biology, a cell is a membrane-bound unit that carries the basic molecules of life and is made up…

Q: 1) For a protein to be an integral membrane protein, it would have to be A) hydrophilic B)…

A: Plasma membrane forms the external boundary of the cell. It is semipermeable and its main function…

Q: gy to explain vour am

A: In the case of the celery in salt water, water would leave the cells and the stalk will become…

Q: Gene mutations ultimately alter protein structure. In whichregion of a carrier protein would a…

A: Protein structures are translated from the DNA present in the nucleus of the cell. DNA will be…

Q: According to the fluid-mosaic model of the plasma membrane, a.protein and phospholipids form a…

A: The structural components of the plasma membrane, such as phospholipids, cholesterol, proteins, and…

Q: Why do they do not penetrate through the lipid bilayer?

A: The cell is the basic structural and functional unit of our body. It carries out many functions in…

Q: Define the following terms: a. biotransformation reaction b. unfolded protein response c. exocytosis…

A: Biotransformation also serves as an important defense mechanism.

Q: Describe how proteins enter the endomembrane system through the endoplasmic reticulum, are next…

A: In the ER, proteins fold into their correct shapes, and will conjointly get sugar groups connected…

Q: what are three proteins that are abundantly present in ECM( Extracellular matrix)?

A: Extracellular matrix (ECM) is the three-dimensional network of macro molecules, which provide…

Q: What is the structural and functional difference between the rough and smooth endoplasmic reticulum

A: Rough ERs have ribosomes on their surfaces and contain vast quantities of proteins for export.…

Q: During protein synthesis, one amino acid binds to RNA molecules. a) What is this RNA molecule? b)…

A: The process of formation of Amino acids from mRNA molecule is known as translation.

Q: This protein adduct can hold (tether) a peripheral membrane protein to the cell membrane: A) A fatty…

A: Ionic linkages peripheral membrane protein or interactions with the polar head regions of the…

Q: Which of the following statements best describes the synthesis of secreted proteins? a.) Secreted…

A: Secreted proteins are those proteins that gets secreted out of the cell.

Q: what purpose does the plasma membrane’s hydrophobic interior serve?

A: Introduction The plasma membrane, also known as the cell membrane, is the membrane found in all…

Q: What is the role of the lysosome in degrading extracellular and intracellular proteins?

A: Lysosome is a membrane-bound cell organelle that contains digestive enzymes. They are involved in…

Q: What is the difference between smooth and rough endoplasmic reticulum?

A: The endoplasmic reticulum is found in eukaryotic cells that are responsible for the synthesis,…

Q: Liposomes used in COVID vaccines also contain phospholipids like those in the plasma membrane of…

A: Liposomes are closed the bilayer structure spontaneously formed by hydrated phospholipids that are…

Q: Unlike DNA nucleotides, which are found mostly in the nucleus, RNA nucleotides are found all over…

A: There are three types of RNA with prominent and significant functions in the cell: messenger RNA,…

Q: Exocytosis is the last step of secretion of proteins from the cell. There are two broad types of…

A: Exocytosis: It is a process of exudating the secretory products or undigested waste products to…

Q: What is Endoplasmic reticulum (ER) ?

A: An organelle is a subcellular part/structure that, like an organ in the body, has one or more…

Q: Many of the proteins produced in the endoplasmic reticulum undergo modifications such as the…

A: Endoplasmic reticulum (ER) is a network of interconnecting membranes enclosing channels or cisternae…

Q: Which of the following describes the fluid mosaic model of the plasma membrane structure? a. The…

A: The plasma membrane is additionally called the cell membrane which is the layer found in all cells…

Q: Carrier proteins that bind to substances to move them through the membrane and proteins that form…

A: Proteins are one of the integral groups of biomolecules. They have diverse functions such as…

Q: A dialysis tube is constructed of a cellphone-like material. The molecular structure of the material…

A: Dialysis is a medical procedure that performs the removal of solutes, toxins and excess water from…

Q: Why do most molecules require the assistance of proteins to cross the cellular membrane? What…

A: The cellular membrane is a semi-permeable lipid bilayer. The lipids found in the membrane are…

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.