substances be transported across a membrane against their concentration gradient?

Q: Among the membrane transporters, the channels require energy and therefore are involved in active…

A: Channel protein form pores through membrane allowing the free diffusion of any molecule of the…

Q: Which of these processes are membrane-crossing mechanisms that require no energy input? Select all…

A: Transport mechanisms are of two types - active transport that requires energy expenditure and…

Q: Which of the statements about diffusion are true? Select all that apply.     A. Solutes diffuse from…

A: The movement of particles is dependent on multiple factors including the charge on particle,…

Q: Can you please answer question 26, 34 and 35

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Which of the following will saturate as solute concentration increases?   a. Transport of sucrose…

A: Saturation kinetics describes the situation in which an enzyme reaction achieves its maximum…

Q: Which statement best describes how cholesterol affects cell membrane fluidity? * a.Cholesterol…

A: Depending on the temperature, cholesterol has distinct effects on membrane fluidity.

Q: Match the definition with the term. a. to shrink or shrivel b. water moving through selectively…

A: In order to understand a particular process or substance, specific terms are used to define them,…

Q: What features of a membrane are major contributors to its selectivepermeability?a. phospholipid…

A: The plasma membrane is the outer covering in the cells with no cell wall or any other outer covering…

Q: How does ATP relate to membrane transport?a. The movement of a substance down its concentration…

A: Adenosine triphosphate (ATP) is defined as an energy-carrying molecule that is present in all living…

Q: Facilitated transport differs from diffusion in that facilitated diffusiona. involves the passive…

A: Answer is b.)  involves active use of a carrier protein.

Q: Osmosis is the flow of solution from higher concentration to a solution of lower concentration…

A: Osmosis is a passive movement which means that it does not consume the metabolic energy for the…

Q: What determines which way materials move during diffusion and osmosis? a. concentration gradient…

A: Water is a polar molecule, constituent molecules of water remain attached by forming hydrogen bonds.…

Q: Which statement is NOT true of membrane transport • proteins? A. Their specificity depends on their…

A: They are integral membrane proteins that facilitates the movement of various substances across the…

Q: The extracellular matrixa. assists in the movement of substances across the plasmamembrane.b.…

A: Extracellular matrix is the non cellular component present in all tissues and organs. It is the…

Q: The sodium-potassium pump helps to maintain electrolyte gradients through use of ATP. Which of the…

A: Introduction : The Sodium– Potassium Pump Are Present In Many Cells On The Plasma Membrane Or Cell…

Q: Draw a diagram that compares and contrasts types of passive and active transport.

A: Molecules move from outside of cell to inside of the cell and vice versa .via this transport…

Q: Which of the following describes how osmosis occurs across a cell membrane/   A. Solutes move from…

A: Cell membrane is also called as plasma membrane which acts as a shield and selectively permeable…

Q: Give typing answer with explanation and conclusion    Which of the following will increase the…

A: Plasma membrane consists of a fluid combination that include phospholipids, protein and cholesterol.…

Q: Choose answer of the following The extracellular matrixa. assists in the movement of substances…

A: A lot number of animal cells release their materials into the extracellular space. These materials…

Q: Which of the following statements is correct? A. A transmembrane integral protein is required…

A: The cell membrane, also known as the plasma membrane, is found in all cells and serves to separate…

Q: If a cell is in an isotonic environment, then a. the cell will gain water and burst. b. no water…

A: The movement of solvent from a region of higher concentration to a region of lower concentration…

Q: Which of the following functioning proteins are found in the plasmamembrane?a. channel proteins d.…

A: Plasma membrane is a phospholipid bilayer structure that separates the interior of the cell from the…

Q: Which of the following statements regarding the selective permeability of the lipid bilayer is…

A: The plasma or cell membrane contains a bimolecular phospholipid layer with polar heads and non polar…

Q: What is the purpose of the "sodium/potassium pump" A. to perform endocytosis. B. to move sodium and…

A: The plasma membrane is selective barrier of the cell that regulates the transportation of different…

Q: Which of the following statements about "leak channels" in the plasma mem- brane is correct? A.…

A: Introduction - The sodium ions concentration inside the cell is low, while the sodium ions…

Q: 40. Which of the following materials will NOT be allowed to pass into the cell through the plasma…

A: Since you have asked multiple questions, we will answer only first question for you. In order to get…

Q: When you jump in the bath, water does not run around all your cells and directly into your body.…

A: These are water channels,  are channel proteins from a larger family of major intrinsic proteins…

Q: Which properties are characteristic of ion channels?a. They are usually lipids.b. They exist on one…

A: The cells are covered by a plasma membrane which forms a barrier between the cell interior and the…

Q: Why should it not be surprising that for many cells water requires a protein for its transport…

A: A basic activity required for cellular homeostasis and different biological processes is the…

Q: Where will the energy for active transport be derived from? A. Hydrolysis of ATP B. Co-transport of…

A: Active transport is the movement of ions and molecules from a region of low concentration to a…

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: Imagine a cell can perform exocytosis, but only minimalendocytosis. What would happen to the cell?a.…

A: The term endocytosis was coined by Christian de Duve. It is divided into phagocytosis and…

Q: How do these fluids affect the hydration, movement and transport in and to the cells: a. Isotonic…

A: According to the concentration of solute in a liquid, the solution is classified into three:…