Movementof water _____________ its concentration gradient is called ________________.a.down; diffusionb.up; diffusionc.down; active transportd.up; osmosise.none of the choices apply.

Q: Which of these best describes ion movement through a cell membrane? lons diffuse due to…

A: Movement of molecules or ions from higher concentration to lower concentration is called diffusion…

Q: I. Water enters and leaves cells through what process? A. Active transport B. Diffusion C. Osmosis…

A: Introduction Transpiration:- It is the loss of water in the form of water vapor from plants…

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: An increase in temperature will cause an increase in diffusion in diffusion rate becausea. hot water…

A: Diffusion - Diffusion is the process of the movement of substances from area of high concentration…

Q: A red blood cell placed in hypertonic solution would __________ because it __________ water. a.…

A: Cell denotes the fundamental structural as well as functional unit of life. Schleiden and Schwann…

Q: Which of the following processes couldoccur only in the plasma membrane of aliving cell?a.…

A: Biological processes are the essential phenomenon that is required to carry out the body’s…

Q: hoose the condition that would cause a cell to dehydrate.   A. an isotonic internal environment…

A: Osmosis is the movement of solvent from the region of high concentration gradient to low…

Q: A concentration gradient is used as an energy source for____________. Select one: a. Secondary…

A: The movement of molecules occurs across plasma membrane in a regulated manner.

Q: Which of these transport pathways require ATP? Select all that apply.     A. Sodium-potassium pump…

A: Primary active Transport utilizes External energy like ATP. Examples -Sodium Potassium pump .In this…

Q: THE MAIN BUFFERS OF THE CELLULAR FLUIDS ARE EXCEPT a. HPO4 & H2PO4- b. НСОз- & Н2СОЗ c. NH40H &…

A: Introduction: The buffering system in body fluids provide an immediate response in fluctuations in…

Q: follows the passive movement of water when a selective permeable barrier is in play. O osmosis O…

A: There are two means of transport which is used to carry out transportation in plants namely- active…

Q: A cell develops a mutation in its potassium channelsthat prevents the ions from leaving the cell. If…

A: The term tonicity and osmolarity is the condition which depends upon the solute and solvent…

Q: Can you please answer this question and say the correct letter

A: An electrochemical gradient is a gradient of electrochemical potential, usually for an ion that can…

Q: The sodium-glucose cotransporter is an example of _____________.  The Na/K pump participates in…

A: Cell membrane is being a semi- permeable in nature selectively allows the substance to move in and…

Q: When comparing the solute concentrations of two fluids, the fluid with the higher solute…

A: A solution has two parts Solute Solvent

Q: Diffusiona. is always facilitated.b. occurs by active transport.c. is increased when temperature…

A: Diffusion is a simple mechanism of movement of molecules across the cell membrane from high…

Q: true or false selectively permeable membrane allwo only certian materials to pass throught them

A: CELL MEMBRANE- It is also known as Plasma membrane or Cytoplasmic membrane. It is situated beneath…

Q: cell

A: Introduction :- Depolarization refers to a change in the value of the membrane potential. Where the…

Q: Question 3 Diffusion and Osmosis are examples of O 1. Active Transport O 2. passive transport O 3.…

A: Transport across the membrane can be active transport that requires energy and passive transport.…

Q: Choose the correct statement. O Two of these are correct O Secondary active transport consists in…

A: Even the process of transport across the cr membrane is governed by the law of thermodynamics .

Q: Which of those ions do not have specific pumps in membrane? Select one: O a. K O b. H O c. CI O d.…

A: Membrane transport refers to the movement of molecules across the cell membrane. The lipid bilayer…

Q: When water is entering and leaving a cell at a constant rate the environment is most likely…

A: The tonicity of a cell is a measure of the osmotic pressure gradient. It can also be said as the…

Q: Rough and smooth ERs do not require transport vesicles as these 2 ERs form connection through their…

A: Answer: Rough Endoplasmic Reticulum : It is the cell organelle present in both plant and animal…

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: QUESTION 4 Which of the following types of membrane transport require ATP? diffusion O bulk…

A: Cell membranes are dynamic structures that regulate the movement of substances in and out of cells.…

Q: Given a selectively permeable membrane that is permeableto water but not to a particular solute and…

A: Diffusion of water through a semi-permeable membrane called osmosis.

Q: Osmosis is a special type of diffusion that ________.   a. moves water from an area with a high…

A: 1. Osmosis is a special type of diffusion that involve movement of water from an area with a low…

Q: As the size of a cell decreases, the ratio of its surface area to volumea. increases.b. decreases.c.…

A: Introduction  Cell is the basic unit of life. All organisms be it single cellular or multicellular,…

Q: Animal cells placed in a hypotonic solution will ________________. swell and explode shrivel…

A: In biology, the terms hypotonic, hypertonic, and isotonic are used to compare the solute…

Q: Regarding membrane transport, which of the following is related with osmosis a. movement of water b.…

A: Membrane transport is the movement of  molecules and ions across the biological membranes, that…

Q: Select the letter of the choice that best completes the statement. Oxygen moves from an area of…

A: Transport of solute across any biological membrane is very essential for all life forms. Such a…

Q: The osmolarity of body fluids is maintained at ________. a. 100 mOsm b. 300 mOsm c. 1000 mOsm d. it…

A: The term osmolarity is defined as the concentration of solutes in a given solution. It is calculated…

Q: Oxygen and carbon dioxide are exchanged in the lungs and through all cell membranes  diffusion down…

A: The respiratory system and all of the body's cell membranes engage in the crucial function of…

Q: Can you please answer this question and say the correct letter

A: Transport is a process of movement of materials such as organic molecules, ions, other substances…