Being an integral membrane protein is critical to the function of which of the following protein complexes? Select all that apply. There is a minimum of one and a maximum of eight correct answers.     Dynein     Tubulin     Integrin       Complex III of the electron transport chain     Collagen     Aquaporin

Q: What is not a similarity between motility of cilia/flagella and skeletal muscle? Group of answer…

A: In most flagella and motile cilia, there are 9 pairs of microtubules arranged in a circle, along…

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

A:

Q: What is the correct order of permeability for the following four substances across a pure…

A: The plasma membrane controls the passage of substances into and out of cells by being selectively…

Q: Secretory vesicles (destined for exocytosis) that fuse with the plasma membrane only in an…

A: Exocytosis is a process through which cells transports molecules (mostly polar) in bulk out of the…

Q: Which of the following membrane transport proteins would you expect to be the most rapid (although…

A: A membrane transport protein refers to the proteins present in the membrane that are responsible…

Q: Proteins may be bound to the exoplasmic or cytosolic face of the plasma membrane by way of…

A: Plasma membrane is the membrane which is present outside thd cell and it act as a barrier between…

Q: When the proteins of human gut epithelial cells adhere to each other so tightly that digestive…

A: Cell junctions are multiprotein structure that joins cells to each other. They help in cell to cell…

Q: Eukaryotic membrane fluidity can be increased by which of the following mechanisms? increasing the…

A: A cell is defined as the smallest unit of a living organism which is the basic structural,…

Q: Which of the following is not a potential biological role of the lipid asymmetry of the plasma…

A: The plasma membrane is also known by the name cell membrane. This membrane is found in all the major…

Q: Match these two microtubules proteins with the types of cargo they transport:          ER…

A: Microtubule proteins involved in transportation of the specific cargos.

Q: What Osmotic conditions would be favored by Plant and Animal cells?  Why? Explain what is meant by…

A: Since we only answer one question at a time, we’ll answer the first one. Please resubmit the…

Q: Describe the permeability of cell membranes.  How to substances cross cell membranes?  Utilize the…

A: Permeability is defined as the rate of diffusion of molecules through the membrane. A molecule is…

Q: Protein X is an unknown membrane protein found in erythrocytes that cannot be extracted from plasma…

A: Introduction: Protein is a large biomolecule made up of alpha-amino acids. These molecules are…

Q: Which is not required for passive transport across a membrane (select all that apply and explain…

A: In a living cell, the cell membrane acts as a barrier for the cell with the outer atmosphere. It…

Q: The transmembrane segments of most integral membrane proteins are made of alpha -helical secondary…

A: The α-helix is a common element of protein secondary structure, formed when amino acids “wind up” to…

Q: Draw the final location of the following proteins after being translocated. Label the organelle (as…

A: Transcription takes place in the nucleus, and then the mRNA is translated in the cytoplasm. The…

Q: Please describe the hydrophobic effect and its contribution to membrane protein folding

A: The hydrophobic effect being the major driving force for the membrane protein folding

Q: Which of the following serves as a specific binding site for the proteins involved in membrane…

A: Exocytosis refers to the process of vesicles fusing with the plasma membrane and releasing their…

Q: Transmembrane portrudes on both sides. Integral protein is in the width of the bilayer and may…

A: An integral membrane protein is a type of membrane protein that remains permanently attached to the…

Q: The following hydropathy plot was obtained for an unknown membrane protein. 20 40 60 00 Residue…

A: Membrane proteins are responsible for most of the dynamic processes carried out by membranes. Most…

Q: Proteins may be bound to the exoplasmic or cytosolic face of the plasma membrane by way of…

A: Every cell has a plasma membrane, and many of its organelles possess membranes as well. All…

Q: Which of the following types of molecules can diffuse across a plasma membrane? Choose all that…

A: The plasma membrane controls the passage of substances into and out of cells by being selectively…

Q: One thousand Ca2+ channels open in the plasma membrane of a cell that is 1000 μm3 in size and has a…

A: The passage of ions through the cell membrane takes place depending on the concentration of the ion…

Q: The fluid mosaic model was first proposed by S.J. Singer and Grath L. Nicolson in 1972 to explain…

A: Fluid Mosaic model states that the cell membrane or the plasma membrane is made of several lipid…

Q: When a globular cytoplasmic protein folds into its proper tertiary structure, which of the following…

A: Globular proteins are somewhat water-soluble proteins. These are usually spherical in shape.

Q: represents channel proteins constructing a pore, structure B represents 10. Figure 3–6 is a…

A: The color code is as follows- Channel- Blue Solute pump- Brown Passive transport protein carrier-…

Q: Explain the main types of transmembrane movements. Which molecules can be transported through each…

A: The selectively permeable nature of the plasma membrane helps to maintain the internal composition…

Q: All of the following correctly describe the sodium-potassium pump EXCEPT: O a. Molecules are pumped…

A: The correct Option is C . Potassium ions are pumped into the cell, where they are present in lower…

Q: The synaptosome-associated receptors referred to as v-SNARES are transmembrane proteins located on…

A: Vesicle membrane contains synaptosome-associated receptors (v-SNARES).

Q: Which of the following membrane components is found in the greatest abundance on the inner leaflet…

A: Vesicles are fluid filled structures within a cell which is enclosed by lipid bilayer. These are…

Q: The following statement: Overall polarity/asymmetry of structure when subunits are polymerized…

A: The correct statement is tubulin/microtubules.

Q: (a) From the list below, select the amino acid(s) that might by more common in the extracellular…

A: Amino acids are the building blocks of proteins which is linked by peptide/amide bond to form…

Q: Eukaryotic membrane fluidity can be increased by which of the following mechanisms? increasing the…

A: The fluidity of the membrane refers to the viscosity of lipids bilayer.  The fluidity of lipid…

Q: Which of the following proteins is categorized as a multi-pass transmembrane protein (also called…

A: The ER membrane is responsible for the selective transfer of the molecules from the cytosol to the…

Q: The cell membrane is made up of many diferent kinds of proteins. These proteins can be clasited as…

A: The cell membrane mainly consists three types of proteins in it. Those are (1) Peripheral protein…

Q: Which of the following membrane components is found in the greatest abundance on the inner leaflet…

A: Vesicles are fluid-filled structures within a cell which is enclosed by a lipid bilayer. These are…

Q: Heparan sulfate proteoglycans appertain to which of the following processes?* a. transport by…

A: Heparan sulfate proteoglycans are the extracellular matrix proteins. These are basically the…

Q: A protein is present on one side of a membrane in high-enough quantity to induce membrane curvature.…

A: The cell membrane is the outer membrane of most of the organism’s  cells and it separate the outer…

Q: The orientation of the Krt1 protein on the membrane of a Golgi-derived vesicle that will fuse with…

A: These methods do not work for transmembrane proteins, many proteins kept in the bilayer by lipid…

Q: What is the cause of the impermeability of plasma membranes to water-soluble molecules?  Group of…

A: The cell membrane is a thin bilayered outer membrane that covers the cytoplasm of all living cells…

Q: What is the correct order of permeability for the following four substances across a pure…

A: Plasma membrane is a semi-permeable membrane that allows only selective molecules to pass through…

Q: Bacteriorhodopsin is an integral membrane protein containing 248 amino acids. X- ray analysis of…

A: Most proteins which are integral membrane proteins are composed of alpha-helices. Here this protein…

Q: Lipid rafts are microdomains in the plasma membrane that function as a stable platform for signaling…

A: Lipid rafts are small dynamic assemblies of proteins and lipids that float freely within the bilayer…

Q: A transmembrane protein has the following properties: it has two binding sites, one for solute A and…

A: Introduction :- Transmembrane proteins (TP) are integral membrane proteins that traverse the entire…

Q: Which of the following is/are incorrect about the differences between globular and membrane…

A: Proteins are the heteropolymers of amino acids attached together via peptide bonds. Proteins play…

Q: A melanosome (type of vesicle containing the pigment melanin)  is transported towards the nucleus of…

A: Cell is the smallest structural and, functional unit of life. It is simple machinery that houses all…

Q: The plasma membrane of E. coli is approximately 75% protein and 25% phospholipid by weight. It is…

A: The plasma membrane (cell membrane) is responsible for protecting the cell and also offers a fixed…

Q: In the figure below, an integral membrane protein is shown. These proteins sit inside of cell…

A: Proteins are the linear polymers of amino acids that are attached together via peptide bonds. The…

Q: What happens to phospholipid mobility when the cell is treated with agents that disrupt the…

A: is a multiple choice question.