Facilitated diffusion:
A) transports solute up its concentration gradient.
B) transports solute down its concentration gradient.
C) does not require a transport protein.
D) requires ATP hydrolysis for transport to occur.
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Facilitated diffusion: A) transports solute up its concentration gradient. B) transports solute down its concentration gradient....
Facilitated diffusion: A) transports solute up its concentration gradient. B) transports solute down its concentration gradient. C) does not require a transport protein. D) requires ATP hydrolysis for transport to occur.
How does facilitated diffusion differ from simple diffusion? Facilitated diffusion requires ATP Facilitated diffusion requires a solute-specific protein carrier Facilitated diffusion transports solute against its’ concentration gradient Which of the following is TRUE about primary active cell membrane transport? It is a form of transport that requires a protein “pump” It is a form of transport that transports ions and/or solute against their concentration gradient It is a transport mechanism that requires energy released from the splitting of ATP by...
A correct distinction between facilitated diffusion and active transport of a substance across a biological membrane is that . . . A. active transport requires conformational changes in the transport protein associated with the transport process, and facillitated diffusion does not. B. active transport requires integral membrane protein to carry out the transport, and facillitated diffusion does not. C. facilitated diffusion depends on an existing energy gradient acting on the transported substance, while active transport makes such a gradient. D....
ane Transport - Facilitated Diffusion Side with higher concentration of molecules Transport protein Plasma membrane Facilitated diffusion causes a net movement of molecules down their concentration gradient. mework : Membrane Transport - Active Transport Side with higher concentration of square molecules Transport protein Energy input from the cell Plasma membrane Side with lower concentration of square molecules
Choose the item in column 2 that best matches each item in column 1. You may use a column 2 item more than once. A requires direct ATP hydrolysis CO2, O2, H20 driven by an ion gradient - A active transport and indirect active transport transports glucose across membranes Bindirect active transport B. Na glucose symport facilitated diffusion (passive transport) Na */ ATPase pump D, active transport F. transports small, nonpolar molecules facilitated diffusion and active transport A F. simple...
20) - 24) Diffusion is a process by which a substance A) goes down its concentration gradient. B) goes from lesser to greater concentration C) goes up its concentration gradient D) is at equilibrium 25 25) What product(s) do plants produce during photosynthesis that is/are used by humans and other animals? A) glucose B) carbon dioxide C) oxygen D) glucose and oxygen 26) The term that describes the diffusion of water is A) simple diffusion. B) equilibrium C) facilitated diffusion...
Which statements are false about facilitated diffusion. Select all that apply! a. molecules or ions are transported with the help of a protein b. atp energy is required to move the molecules or ions down their concentration gradient. c. the molecules or ions move down their concentration gradient. d. the molecules move against their concentration gradient.
Diffusion: Which following statement is incorrect? Select one: a. Facilitated diffusion requires a transport protein b. It is a form of passive transport c. Isotonic solutions have an equal amount of solute on both sides of the membrane - no change in shape d. Exocytosis involves the diffusion of molecules out of a cell e. Hypotonic solutions result in cell swelling
moving a large molecule such as glucose against its own concentration gradient and in the opposite direction of passive diffusion of NA+ is Moving a large molecule such as glucose against its own concentration gradient and in the opposite direction of passive diffusion of Natis: Co-Transport B. Facilitated Diffusion c Primary Active Transport Counter-Transport
Transporters move molecules against their concentration gradient by: A. Facilitating passive diffusion. B. Using the energy of ATP hydrolysis. C. Coupling to the concentration gradient of another molecule. D. A and B E. B and C F. A and C G. None of the above. H. All of the above