Diffusion requires a membrane to occur. A True B False

Q: Differentiate between active transport and passive (simple) diffusion. (At least 4 differences)

A: Transport of materials takes place all throughout the body. Circulatory system of the body is the…

Q: Describe the characteristics of carrier-mediated transport, and distinguish between simple…

A: Introduction  The cell is the basic unit of life, it performs all the physiological and metabolic…

Q: sides 1, 2, 4 and 6mm. a Calculate the volume, surface area and ratio of surface area to volume. b…

A: Surface area of cube= 6a2 Volume of cube= a3 Where a is the side of the cube.

Q: Diffuse Side B to Side A

A: The correct option is b. NaCl always diffuses from a medium of low concentration to a medium of high…

Q: Indicate which of the following provides an example of diffusion by answering yes or no. A sugar…

A: Diffusion is a process in which the movement of substance is from the area of the high concentration…

Q: the work of a carrier O facilitated diffusion O an unsaturable process O a saturable process

A: Given : The picture represents..

Q: Plasmalemma is the same as the plasma membrane A. True B. False

A: Plasmalemma is a membrane which surrounds the cytoplasm of a cell. Plasmalemma, also known as Plasma…

Q: Describe the two factors necessary for diffusion to occur.

A: Diffusion is the movement of a substance from an area of high concentration to an area of low…

Q: When hydrogen ions are pumped across the inner membrane into the intermembrane space, this results…

A: Answer: INTERMEMBRANE SPACE : It is the space between the inner membrane and the outer membrane of…

Q: B. Facilitated diffusion: This process does - not require ATP but does require cell * membrane…

A: The cell membrane is semi-permeable and envelops the cellular content. It regulates the entry and…

Q: The rate of diffusion increases if thea. concentration gradient decreases.b. temperature of a…

A: The process of diffusion is defined as the movement of solutes from its higher concentration to…

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: Describe active transport, including primary and secondary active transport in your description.…

A: The movement of the substances across membranes can take place because of the various types of…

Q: A secondary active transport process is one in which

A: There are two types of transport - 1.Passive transport - In passive transport, ions move from high…

Q: Describe the difference between active and passive transport. Describe the differences between…

A: Since you've asked multiple questions, we're answering the first one for you. If you want any other…

Q: An increase in which of the following would decrease rate of diffusion(flux)? (there can be multiple…

A: Diffusion:- is a movement of particles(could be atoms, ions, molecules, etc) from a higher…

Q: All of the following are true about diffusion EXCEPT: a) Higher temperatures decrease the rate of…

A: Diffusion is the passive movement of molecules or particles (for example, atoms, ions, molecules,…

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: Explain how the processes of diffusion, facilitated diffusion, and active transport occur and why…

A: Cells are the basic unit of life, and each cell is surrounded by the cell membrane. The cell…

Q: Determine if each statement applies to facilitated diffusion, active transport, or both

A: In diffusion, molecule migrate in a random way, the overall consequence being substances migrating…

Q: The term _______________ is used to describe the viscosityof a membrane.

A: Introduction: The cell is the basic and essential unit of the body. These are known as "building…

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 cytoplasm would be considered ___________________ relative to the extracellular fluid.   a.…

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

Q: Differentiate between the following:(a) Diffusion and Osmosis(b) Transpiration and Evaporation

A: Passive transport is the type of transport where a molecule is transported along its concentration…

Q: Diffusion is considered an active process that requires chemical energy. True False

A: Answer- False. Diffusion is a passive process that helps in moving substances from the region of…

Q: Difference between primary & secondary active transport.

A: Transport of ions and molecules across the cell membranes occur in two ways i.e. Passive transport…

Q: Compare and contrast diffusion with facilitated transport.

A: Diffusion is the movement of molecules from an area where the molecule is in high concentration to…

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: The distinctive properties of facilitated diffusion are: (а) Increase the speed of diffusion of…

A: Facilitate diffusion involves the movement of solutes along the concentration gradient.

Q: Tight junctions prevent the diffusion of fluids and solutes between______________

A: Tight junctions are also known as zona occludens or occluding junctions. These are junctions made of…

Q: The diffusion stops when a substance concentration is high inside a ell: a- This can be found in…

A: Diffusion is the process that results in the net motion of particles from a region of higher…

Q: The difference between simple diffusion and facilitated diffusion is that facilitated diffusion

A: Both the types of diffusion move products from higher concentration to lower concentration but…

Q: Diffusion occurs because of the ________________________ of molecules.

A: Movements of ions and molecules across the cell membrane are regulated by a set of transport…

Q: Plasma membrane is permeable toa) ATPb) Glucosec) K+d) Urea

A: Introduction The cell is the basic unit of life as it performs all the basic physiological and…

Q: Movement of phospholipids from side to side is calleda) Facilitated diffusionb) Lateral diffusionc)…

A: The fluid mosaic membrane model is that the components of the bilayer are free to move. In…

Q: A migraine fish would be rapidly transferring substances across cell membrane. The substances would…

A: Primary active transport is the process by which chemical energy (usually stored in ATP) is used to…

Q: MULTIPLE CHOICE. A B C D or Duhh 1) Molecules assisted by a transport protein may cross a selective…

A: Introduction :- Active transport is the movement of molecules across a cell membrane against a…

Q: Discuss why the following affect the rate of diffusion:molecular size, temperature, solution…

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

Q: Which of the following shows the difference/s between active and passive transport? I. II. Active…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Diffusion can move very large and very lipophobic molecules through the membrane True False

A: Diffusion is the movement of molecules in the presence of a concentration gradient. It is a vital…

Q: What is the name of the mechanism that ensures that there is a higher concen- tration of sodium ions…

A: The ions sodium, potassium, and chloride have the largest concentrations and so play the most…

Q: Water may move through membrane pores constructed by transmembrane proteins called ________.

A: Transmembrane proteins are channels used for transfer of water, ions and molecules.

Q: Diffusion is an active process in which molecules move from a region of lower concentration to one…

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Q: Choose which substances can pass freely through the plasma membrane  A. Gasses B. Charged molecules…

A: The cell membrane is selectively permeable which means it allows specific molecules to pass through.…

Q: Match the following statement related to membrane transport processes to the appropriate term or…

A: Carrier proteins are present at biological membrane and their main function is the transport of…

Q: The concentration gradient is the driving force for passive diffusion. O True O False

A: Asked : Statement given for passive diffusion is true or false.

Q: Diffusion is the movement___.

A: Diffusion happens in liquids and gases because their particles move randomly from place to place.

Q: The movement of a substance from an area of low concentration to a high concentration is called…

A: One of the mechanisms through which the passage of substances across biomembranes occur is by…