Which of the following best represents active transport? O movement of an ion from high concentration to low concentration through an ion channel O osmosis O movement of an ion from high concentration to low concentration through an carrier protein O phagocytosis O diffusion of gases across the membrane

Q: Active transport must function continuously because a.facilitated transport opposes active…

A: The mechanism of transporting molecules through a cellular membrane using cellular energy is known…

Q: bindng site dain ding, site ATP What type of transport is shown in the figure above? O Active…

A: During active transport substances move against the concentration gradient from an area of low to an…

Q: What role does cholesterol play in the plasma membrane? Select the best answer. O It provides a…

A: Cholesterol's significance in bilayer and monolayer lipid membranes has piqued researchers'…

Q: Which of the following processes is involved in the bulktransport of molecules out of the cell?a.…

A: BASIC INFORMATION    TRANSPORTATION  It is a process through which one substance move from one…

Q: What is bulk transport of molecules exported out of a cell called? O Diffusion Exocytosis O…

A: HI! Thank you for your question.As you have posted multiple questions and have not mentioned which…

Q: What kinds of molecules the cell membrane witho transport proteins? O Large and hydrophobic= O Small…

A: Cell membranes act as barriers and gatekeepers. Cell membrane is semi-permeable .Cell membrane…

Q: Which of the following processes includes all the others? O a. Facilitated diffusion O b. Passive…

A: Passive transport is a kind of membrane transport that doesn't expect energy to get substances…

Q: Which of the following structures must be present in all types of cells for osmosis to take place? O…

A: Osmosis is a process through which the movement of water takes place to maintain equilibrium if…

Q: Through which mechanism are cholesterol and iron ions transported into the cell? A simple diffusion…

A: The cell membrane separates cytoplasm from the outer environment but for proper functioning and…

Q: Erythrocyte glucose transporter is an example ofa) Ion driven active transportb) Facilitated…

A: Molecules can move via biological membranes via 2 main methods : active and passive transport.…

Q: Which out of the following is not a mediated transport?a) Facilitated diffusionb) Primary active…

A: Mediated transport is a kind of transport in which movement of molecules across the membrane…

Q: What type of membrane protein provides a hydrophilic corridor for the passage of specific molecules?…

A: The proteins that are associated with the membrane of a cell or an organelle (in short, a biological…

Q: What type of movement is passive and down a concentration gradient? O None of these is correct O…

A: Types of movement: The cell membrane is semi-permeable and materials are moved across the membrane…

Q: The tails of the phospholipids of the plasma membrane are composed of O A. phosphate groups;…

A: The hydrophobic, or “water-fearing,” a part of a phospholipid consists of its long, nonionic fatty…

Q: Diffusion does not require the cell to spend ATP and relies on a concentration gradient. Therefore,…

A: Diffusion: - along the gradient - non-specific with respect to non-polar solutes. - the process of…

Q: The movement of glucose across the cell membrane through facilitated diffusion is a form of passive…

A: Membrane transport can be classified into three types: passive diffusion, facilitated diffusion, and…

Q: Which substance on the plasma membrane helps identify chemical signals from outside the cell? O…

A: Cell is a structural and functional unit of living organisms. Several cells joined together to form…

Q: If magnesium ions are in higher concentration outside the cell, they would move into the cell by the…

A: Movement across the membrane happens through two pathways. Active mechanism and passive mechanism.…

Q: Which way will water move if a cell is placed in a hypertonic solut ion? O Water will move into the…

A: Tonicity of a solution refers to the presence of osmotic gradients in the solution. The osmotic…

Q: All of the following membrane transport mechanisms are passive processes except facilitated…

A: Movement of solute across a membrane is known as membrane transport.  The solute can be ions or even…

Q: A patient with compromised immune system was prescribed Azathioprine by his physician, in your view…

A: Azathioprine is an immunosuppressant drug. This drug is used to treat diseases such as rheumatoid…

Q: Which of the following cellular transport methods is energy independent? O Facilitated diffusion O…

A: Cell transport is defined as the movement of materials across the cell membranes.  There are two…

Q: Which molecules diffuse the easiest across the plasma membrane without the aid of a…

A: The plasma membrane of the cell is the controlling element that regulate the movement of different…

Q: For a transport process, a linear plot of of V vs [S] indicates the transport is: a. undetermined O…

A: Cell membrane is a lipid bilayer with a hydrophobic interior. Thus, small, hydrophobic substances…

Q: If a cell is non-selectively engulfing samples of extracellular fluid, for example to absorb…

A: To find If a cell is non-selectively engulfing samples of extracellular fluid, it will utilise…

Q: Which of the following can move a substance against the concentration gradient? Select all that…

A: Transports which can move substances against the concentration gradient are as follows :-  1.…

Q: If a cell is placed in a solution that has the same concentration of solutes as in its cytoplasm,…

A: When a cell is submerged in an isotonic solution, there is no net movement of water entering or out…

Q: Large molecules enter the cell by generalized non-selective process known as O Endocytosis Diffusion…

A: Molecules enter the cells via generalized, non-selective process?

Q: Which of the following statements does not describe facilitated diffusion? solutes move against…

A: Diffusion is defined as the movement of molecules from the higher concentration to the lower…

Q: What is the difference between active transport and facilitated diffussion? Select one: O a. active…

A: Transport of molecules Or substances across a membrane may occur through different process based on…

Q: Which of the following structures is primarily involved in the detoxification of many poisons and…

A: Cell is main body level of organization which comprises of :-  1) Cell wall ( in animals but absent…

Q: Name the membrane transport mechanism that Ca2* would most likely use to diffuse across the…

A: Ca2+ are transported by Ca2+ pumps which are mainly present on smooth endoplasmic reticulum (SER)…

Q: Which of the following transport mechanisms requires energy? A) facilitated diffusion B) osmosis C)…

A: The cell membrane is a selectively permeable membrane such that it allows only certain molecules to…

Q: Which of the following characteristics is true for the inner section of a membrane? O hydrophilic O…

A: Introduction Lipids:- Lipids are oily or greasy nonpolar molecules, stored in the adipose tissue of…

Q: What type of transport mechanism secretes molecules by fusion of vesicles with the plasma membrane?…

A: Vescicle fusion into the plasma membrane allows secretion of molecules into the extra cellular…

Q: Which of the following organelle takes part in the secretion? * a) Cytoplasm O b) Ribosomes O c) ER…

A: According to our guidelines we can only solve one question, rest of the questions can be posted…

Q: Descibe each process and how it transports across plasma membrane. Selectively permeable…

A: Transportation is a physiological process that occurs in all higher organism like animals, plants…

Q: Glucose enters the cell through a protein called a glucose transporter. It is an example of…

A: Glucose molecules cannot simply diffuse through the membrane but require a transport channel for its…

Q: Active transport is different from passive transport because a. no additional energy is required.…

A: Transport is defined as the process of transfer in the molecules from the one side of the membrane…

Q: n diffusion, substances move from areas of (greater) (lesser) to (greater) lesser concentrations.

A: In diffusion, the substances moves from areas of greater concentration to areas of lesser…

Q: * Passive movement of molecule across membrane occurs by none of the other choices O simple…

A: The cell membrane, also called the plasma membrane, is a double layer of lipids and proteins that…

Q: The extracellular matrix is NOT composed of? O Actin O Collagens O Fibronectin O Proteoglycans O…

A: An extracellular matrix composed of: Structural proteins Hydrated matrix Adhesion proteins

Q: Which type of membrane transporter requires a gradient to move molecules across the membrane? O…

A: A gradient of electrochemical potential is necessary for an ion movement across the membrane. The…

Q: which surface to volume ratio woud be the most efficient for transmembrane transport of substance in…

A: The transport of molecules across the cell takes place through transporter proteins like channels,…

Q: Choose which substances cannot pass through the phospholipid bilayer of the plasma membrane.  A.…

A: Phospholipids:These are a type of lipids. A phospholipid molecule structure usually contains two…

Q: Cells may frequently find themselves in an environment with very low extracellular concentrations of…

A: Cell membranes are the boundaries that regulate the entry and exit of substances.

Q: Which substance will be transported across a cell's plasma membrane by carrier mediated facilitated…

A: Facilitated diffusion It is defined as the process of passive transport of molecules or ions through…

Q: Which one of the following pieces of evidence would prove that a substance enters a cell by.activE…

A: Active transport requires ATP metabolism and it occurs against the concentration gradient while…

Q: If a small part of the cell membrane surrounds a molecule so that it can enter a cell, then the…

A: Cell membrane, also called plasma membrane is the thin membrane that surrounds every living cell,…