Which of the Following Statements Correctly Describes the Plasma Membrane

The diffusion of Na ions into the cell is facilitated by the Na concentration gradient across the plasma membrane. The plasma membrane is embedded with a variety of proteins.

The Plasma Membrane Plasma Membrane Plasma Membrane

Signal recognition particle SRP is a complex of RNA and protein that guides the ribosomes into the translocons present in the plasma membrane where they form secretory protein and these proteins are transported through plasma membrane translocons.

. When the solutes are evenly distributed throughout a solution we say the solution has reached _______. Which of the following does. Cholesterol enables the membrane to stay stable at high temperatures Cholesterol enables the animal to add hydrogen atoms to unsaturated phospholipids Cholesterol enables the membrane to become more rigid when cell temperature.

11 Cell Membrane Transport Mechanisms and Permeability. Interact and recognize other cells. D Prokaryotes cannot secrete proteins because they lack ribosomes.

The following statements correctly describes the driving forces for diffusion of Na and K ions through their respective channels. It is a lipid bilayer with the hydrophobic area pointing inward and the hydrophilic area facing outward. Which one of the following statements CORRECTLY describes the architecture of a plasma membrane.

Cell is now firm. The membrane proteins select the molecules and allow them to pass in and out of the cell and thus makes the membrane selective permeable. Pumps hold the plasma membrane together.

The diffusion of Na ions into the cell is impeded by t. -Keep out what it does not need. Which of the following statements correctly describe s the driving forces for diffusion of Na and K ions through their respective channels.

3Which statement correctly describes the function of pumps in the plasma membrane. In osmosis water moves across a membrane from areas of lower solute concentration to areas of higher solute concentration what might happen to your red blood cells if you were suddenly unable to regulate the solute concentration of your blood and it began to rise. A Prokaryotes cannot secrete proteins because they lack an endomembrane system.

B Proteins phospholipids and cholesterol are joined by strong covalent bonds that give the membrane strength. Therefore the correct answer is B. Membrane pulls away from the cell wall.

C Proteins secreted by prokaryotes are synthesized on ribosomes bound to the cytoplasmic surface of the plasma membrane. Proteins secreted by prokaryotes are likely synthesized on ribosomes. Select all that apply.

Which of the following statements correctly describes the driving forces for diffusion of Na and K ions through their respective channels. The diffusion of Na ions into the cell is facilitated by the Na concentration gradient across the plasma membrane. A it produces ATP by substrate-level phosphorylation B it receives electrons from the electron transport chain associated with thylakoid membranes C it produces O2 D it extracts hydrogen electrons released by the splitting of water.

4Which part of the cell functions to. Plasma membrane is composed of two layersone layer of phospholipids and one layer of proteins. Plasma membrane is selectively permeable.

Causing the plant to wilt. It is mainly composed of phospholipid bilayer structure with embedded proteins. Which of the following is NOT a passive process.

Which of the following statements correctly describes osmosis. Protein molecules make up the membrane which makes it a strong structure. Plasma membrane allows cells to -obtain from interstitial fluid exactly what it needs exactly when it is needed.

Cell membrane or plasma membrane is the outer covering of all cells but in plant cells it is present below the cell wall. Pumps move substances through the plasma membrane Pumps glue the plasma membranes of adjacent cells together. The diffusion of Na ions into the cell is facilitated by the Na concentration gradient across the plasma membraneB.

B The mechanism of protein secretion in prokaryotes is probably the same as that in eukaryotes. Pumps store water in the plasma membrane for later use by the cell. A Proteins line the internal cytoplasmic surface and phospholipids cover the external surface.

Select all that applyA. Gather information from the surrounding environment. 1 phospholipid bilayer surrounding the cell.

The plasma membrane is made mainly from carbohydrates that give the cell energy. Some materials require specialized structure like a protein channel to pass through. The diffusion of Na ions into the cell is impeded by the.

Which of the following correctly describes the function of cholesterol in the plasma membranes of some animals. A plant cell and its surroundings are isotonic there is no net movement of water into the cell call this limp turgid. It is also describe by the statement that the plasma membrane of a living plant cell is selectively permeable.

Which of the following statements correctly describes an activity directly associated with photosystem 1. -Fusion of a vesicle with the plasma membrane releases the contents of the vesicle outside the cell. Which of the following is not a function of proteins in the plasma membrane.

A plant cell in a hypotonic solution swells until the wall opposes uptake. -Inward folding of the plasma membrane forms a vesicle that traps substances from outside the. Assist in the passage of materials into the cell.

Which of the following statements describes the structure of the plasma membrane.

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