Solute concentration Solute transport rate

Q: What type of function is performed by the sodium potassium pump, which directly uses ATP to move…

A: Active transport in cellular biology is the transfer of molecules from a region of lower…

Q: Which of the following would pass most easily through a cell's membrane by simple diffusion?

A: The correct option is small non-polar molecules.

Q: Thinking back to the "effect of concentration" lab, what did your data indicate? The concentration…

A: Introduction  Diffusion is a process that results from the random motion of molecules and results in…

Q: Which of the following statements is TRUE of diffusion?     Diffusion of particles along the…

A: The molecules are transported from one region to another by the process of transportation.

Q: What is a main difference between active and passive transport? active transport is spontaneous…

A:

Q: The primary function of the kidney is to exchange molecules across a membrane between the blood and…

A: The projections increase the surface area–to-volume ratio of the cell, which allows for more…

Q: The principal force driving movement in diffusion is __________. a. temperature b. particle size c.…

A: Diffusion is the process that helps in the movement of substances in and out of the cells and it…

Q: Which of the following statements is correct about passive facilitated diffusion? (select all that…

A: Diffusion is a process that results from the random motion of the molecules and results in a net…

Q: Facilitated diffusion is a type of passive transport that allows solutes to move across the plasma…

A: The transportation of molecules across the plasma membrane depends on the nature of the molecules.…

Q: Which of the following statements about diffusion is correct? It is an active process in which…

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

Q: In terms of rate of transport of a molecule across a membrane , what is the difference between…

A: Passive transport is the movement of molecules along the concentration gradient, from a higher…

Q: In the lungs, there are steep concentration gradients for oxygen and carbon dioxide molecules such…

A: Diffusion It refers to the process of transport of atoms, ions, molecules, and energy from the area…

Q: Active transport sometimes uses a protein pump to force material across the cell membrane. How is…

A: Facilitated diffusion involves movement of molecules across the membrane down the concentration…

Q: Facilitated diffusion is a form of active transport.

A: Active transport is the movement of molecules that requires energy. It takes place against the…

Q: What is movement of cell against concentration gradient is called: osmosis active transport…

A: The cell membrane is thin, elastic, flexible covering that holds the cellular contents. It is also…

Q: relationship between cell size and the efficiency of diffusion in a model cell

A: Answer: Cell size is limited by a cell's surface area to volume ratio.A smaller cell is more…

Q: During diffusion, when the concentration of molecules on both sides of a membrane is the same, the…

A: As per our honor code, we are authorized to answer one question at a time, since you have not…

Q: Which of the following types of transport relies on a concentration gradient? Secondary active…

A: Concentration gradient is the difference in concentration between two regions especially between two…

Q: Which of the following is NOT an active process by which substances cross the plasma membrane?…

A: Transport of susbtances across the plasma membrane can occur along the concentration gradient or…

Q: how are simple diffusion and facilitated diffusion similar? how are they different? how are…

A:

Q: Using the figure to the right, explain the similarities and differences between the two types of…

A: 4. The figure in the question shows 2 types of passive transport- a) simple diffusion & b)…

Q: Diffusion Facilitated Diffusion Active Transport Flows against the concentration gradient (low to…

A: Plants need water, organic nutrients, growth regulators, and mineral nutrients to grow which is…

Q: Osmosis is considered a special case of diffusion because water requires energy and a protein to get…

A: The substance’s movement from higher concentration to lower concentration in a particular area is…

Q: The force driving simple diffusion is _____, while the energy source for active transport is _____.…

A: Simple diffusion is the process in which movement of particles takes place through the membrane…

Q: The following are the characteristics of the setup depicted below: The left side has a higher…

A: Simple diffusion is a process through which solutes move from one place to another along the…

Q: Match the definition or example with the term. < The cell's membrane fuses with the external…

A: Membrane transport is a phenomenon which determines how the substance are transferred through the…

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: Which of the following is an example of active transport? Simple diffusion Protein pumps Facilitated…

A: a) Simple diffusion : It is the random movement of particles more probably of gases and liquid. This…

Q: A cell is placed in a hypertonic medium triggering its regulatory volume control mechanism. Which of…

A: Hypertonic means that the medium has a higher concentration of solutes or ions as compared to the…

Q: Which of the following is related with getting the sodium ions inside the cell membrane 1_primary…

A: cell membrane is act as barrier to pass on the selected molecules pass through the membrane

Q: A section of a cell membrane Is shown in the diagram below. CELL MEMBRANE Low Concentration of…

A: Osmosis is defined as solvent movement across a semipermeable membrane from a low concentration to a…

Q: Direction:  Complete the table by supplying with the correct information. ( TRANSPORT MECHANISMS )…

A: Cell membrane is used to regulate the concentration of a substances inside the cell like Na+, Ca++ ,…

Q: Cell Transport Label the following pictures: active transport, passive osmosis, passive diffusion,…

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

Q: Jose puts a drop of food dye into a glass of water and observes the dye forming colorful swirls…

A: The transport of molecules in cells occurs through different modes like passive and active…

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: Two dyes were placed on a medium that allowed for diffusion. The molecular weight of dye A is 793…

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

Q: Which transport mechanism would allow a solute to move from its area of low concentration to its…

A: The cell membranes are selectively permeable and do not allow types of molecules to enter through…

Q: Which of the following processes is depicted in the diagram? ++++ ++++ ++++ ++++ ++ Low + + High + O…

A: The movement of chemicals across a biological membrane from a high-concentration location to a…

Q: Let us first have a short recap of the two major processes involved in the movement of materials…

A: Passive transport is a process where the movement of molecules occurs from high to low concentration…

Q: In biological systems, an ACTIVE transport process is one in which an important chemical component…

A: Osmosis is termed as the diffusion of water where diffusion is that solute moves from high…

Q: In your own words, describe one similarity and one difference between diffusion via channels (like…

A: Diffusion is the process where molecules move from higher concentration to a region of lower…

Q: What is another way to answer this question Describe various examples of active transport. How is…

A: The movement of substances through the cell membrane, either into or out of the cell, is referred to…

Q: The diagram below represents the process of diffusion through the cell membrane. Identify the…

A: The process of controlling bodily fluids and their compositions is known as osmoregulation. It keeps…

Q: The protein galactoside permease transports sugars like lactose against a concentration gradient by…

A: Plasma membrane of the cell is a selective barrier of the cell that allow transportation of specific…

Q: Table 4: Diffusion times for carbon dioxide as a function of cell size. Cell Diameter (mm) Cell…

A: Cell diameter Diffusion time sec .01 .05 0.1 5 1 500 3 4500 5 12500 10 50000 15 112500…

Q: Which of the following involves the use of protein macromolecules to cross the plasma membrane…

A: Transport is defined as the movement of particles from the one region of cell to another region of…

Q: A student wanted to observe the effect of temperature on diffusion rate. The student set up two…

A: Active transport refers to the movement of substances against the concentration gradient. It…

Q: In the figure to the left, what type of transport is being used to move sodium out of the cell? a.…

A: Please follow step 2 for detailed explanation.

Q: Which of the following scenarios would result in the SLOWEST rate of diffusion? A. 1 molecule on…

A: If the concentration or number of molecules is relatively very high compared to the concentration or…