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- Water moves via osmosis _______. a. throughout the cytoplasm b. from an area with a high concentration of other solutes to a lower one c. from an area with a low concentration of solutes to an area with a higher one d. from an area with a low concentration of water to one of higher concentrationThe principal force driving movement in diffusion is______. a. temperature b. particle size c. concentration gradient d. membrane surface areaWhich of the following is a way for electrolytes in an aqueous solution to move from an area of high solute concentration to an area of low concentration? O a. Active transport O b. Osmosis O c. Simple diffusion Od. Facilitated diffusion O e. None of these
- Water travels from a region of hypotonic fluid to a region of hypertonic fluid across a selectively permeable cell membrane during the following O a Diffusion Ob Osmosis Oc Endocytosis Od A and B Oe. All of the AboveWhich of the following statement(s) about passive processes of membrane transport is false? a. cellular energy is not requiredb. substances move along its concentration gradientc. all require the aid of proteins during transportd. all of the abovee. none of the aboveThe passive non-mediated movement of particles across a membrane driven by pressure is A. filtration B. diffusion C. facilitated diffusion D. osmosis E. active transport F. vesicular transport
- Which of the following statement(s) about active processes of membrane transport is false? a. cellular energy is requiredb. substances move against its concentration gradientc. all requires the aid of proteins during transportd. occurs in all cell membranese. none of the aboveActive transport of a substance across a membrane requiresa. a gradient b. the expenditure of ATP c. water d. diffusionDefine the following terms:a. osmosisb. osmotic pressurec. isotonic solutiond. membrane potentiale. hydronium ion
- Which of the following processes couldoccur only in the plasma membrane of aliving cell?a. facilitated diffusionb. simple diffusionc. filtrationd. active transporte. osmosisWhich of those ions do not have specific pumps in membrane? Select one: a. K O b. H O c. CI d. NaWhich of the following describes cotransport (secondary active transport)? Group of answer choices D. One substance moving down its gradient causes another substance to move against its gradient. The push and pull of electric charges Equilibrium of all solutes One substance moves from an area of high concentration to an area of low concentration.
