From the Following Statements Which One Best Describes Diffusion

At electrochemical equilibrium there is neither any diffusion force nor any electrical force associated with permeate ions. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.

Ap Bio Unit 2 Flashcards Quizlet

When the diffusion is complete all of the liquid is the same colour.

. Which of the following best describes the process of diffusion. Which of the following statements is correct about diffusion. The bottom of the container becomes coloured first.

The cell membrane prevents any harmful substance from entering the cell. Once solid material is phagocytize and taken into a vacuole which of the following statements best describes what happens. The movement of a substance down a concentration gradient from an area of high concentration to an area of low concentration.

The diffusion occurs very quickly reaching completion in less than a minute. Net movement of particles from areas of low concentration to areas of high concentration c. Stimulus diffusion because the Europeans adapted a Chinese concept to fit their own needs c.

A The temperature of an ice cube can sometimes be lowered as it spontaneously gives heat to the surroundings. A The net movement of water through a selectively permeable membrane is osmosis. A Mass diffusion involves locally random motion of atoms that leads to global mass transport from areas of low concentration to areas of high concentration.

The correct option among all the options that are given in the question is the fourth option or the last option. Select the statement that describes an electrochemical gradient. Which of the following statements is correct regarding diffusion.

Inside one osmosis bag A is a 50 glucose solution and inside bag B is a 20 glucose solution. The greater the concentration of gradient the faster the rate of diffusion. E random movement of water.

Which of the following statements correctly describes the driving forces for diffusion of na and k ions through their respective channels. Which statement best describes transcytosis. Diffusion is the movement of molecules from an area of lower concentration to one of higher concentration by random molecular motion.

The diffusion will take place faster if the mixture is heated. Contagious diffusion because people throughout the world adopted the use of porcelain d. A Simple diffusion is driven by a concentration gradient while active transport is driven by ADP.

Which of the following statements best describes a characteristic feature of diffusion. D diffusion of water from a greater to a lesser water concentration across a selectively permeable membrane. 55 Which of the following statements most accurately compares primary factors responsible for simple diffusion versus active transport.

The diffusion occurs very quickly reaching completion in less than a second. 16 Questions Show answers. It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration.

C movement of water into a solute. B It requires an expenditure of energy by the cell. The statement that best describes how the epidemiologic transition affects the demographic transition is.

B Simple diffusion is driven by a concentration gradient while active transport is driven by ATP hydrolysis. At electrochemical equilibrium the diffusion force for a permeate ion is greater than the electrical force created by the movement of ions. B Diffusion is the net movement of substances from a region of greater concentration to one of lesser concentration.

Which one of the following statements is consistent with the second law of thermodynamics. Select all that apply. B Mass diffusion involves locally ordered motion of atoms that leads to global mass transport from.

Diffusion is the movement of molecules from an area of higher concentration to one of lower is the one among the following choices given in the question that best describes the process of diffusion. Categories Question-Answer Leave a Reply Cancel reply. Net movement of particles between cells.

Relocation diffusion because the Chinese brought their porcelain to Europe b. Both bags are put into beakers containing 100 water. Which of the following statements describes selective permeability.

C The internal energy of a system is determined by the flow of heat into. D Diffusion is the net movement of substances from a region of greater concentration to one of lesser concentration. The movement of molecules from an area of concentration to an area of low concentration.

If the plasma concentration of a drug declines with first-order kinetics this means that a There is only one metabolic path for drug. The cell membrane allows only large molecules to diffuse into the cell. When the diffusion is complete all of the liquid is the same colour.

B Heat flows spontaneously from a hot object to a cooler object. Mcq on pharmacology 1. Net movement of fluids from the environment into and out of an organism b.

At electrochemical equilibrium the diffusion force for a permeate ion is less than the electrical force created by. All of the following are general mechanisms of drug permeation Except a Aqueous diffusion b Aqueous hydrolysis c Lipid diffusion d Pinocytosis or endocytosis e Special carrier transport 2. The bottom of the container becomes coloured first.

As the fall in death rate continues the population begins to rise. 1 Which of the following statements best describes the process for mass diffusion of species within a solid. B diffusion of water from a greater to a lesser water concentration.

Diffusion is the movement of molecules from an area of higher concentration to one of lower concentration by random molecular motion. The ability of the cell membrane to allow some things to pass through while preventing other things from passing through. A It is very rapid over long distances.

C It is a passive process in which molecules move from a region of higher concentration to a region of lower concentration. 1D This example above describes what type of diffusion. Improvements in nutrition sanitation and health care cause death rates to fall in stage 2 of the demographic transition This is evident in the fact that in stage 2 there is a fall in the death rate.

The diffusion will take place faster if the mixture is heated. Which choice describes diffusion. Net movement of particles from areas of high concentration to areas of low concentration d.

The cell membrane lets certain substances enter the cell and keeps certain substances out of the cell. Which of the following statements best describes a characteristic feature of diffusion. Which of the following BEST defines diffusion.

Sum of the differences in charge and chemical concentration of ions across a membrane.