Which of these junctions allows solutes and water to pass directly from one cell to another, without interacting with the ECM?       a.   Adherens junctions       b.  Gap junctions       c.  Con junctions       d.  Tight junctions

Which transporter is typical of inner membrane of mitochondrial membrane? A. Pyruvate transporter B. H+ -ATPase C. Amino acid transporter D. Sugar transporter E. Lipid transporters

Red blood cells shrivel when placed in a 10% sucrose solution. When first placed in the solution, the solute concentration of the cell is______ the concentration of the sucrose solution. After the cells shrivel, their solute concentration is______ the concentration of the sucrose solution. A. Greater than... equal to B. Equal to... equal to C. Less than... greater than D. Less than... equal to E. Greater than... less than

Model 4: Active Transport Area of detail ion binding site ATP binding site ATP ADP

Suggest an experiment to determine if the uptake of a compound is by either facilitated or active transport.

Which of the following glycoproteins compose the ECM? Select one: a. fibronectin b. All of the answers are correct. c. elastin d. collagen

Which statement is false regarding bacterial cell walls?                                                                                                                                                                                                          A.    Both Gram positive and Gram negative bacteria contain peptidoglycan in the cell wallB.    Gram negative bacteria have a thin layer of peptidoglycan and stain pinkC.    Gram (+) bacteria are positively charged due to phosphate groups in teichoic acidsD.    Gram (-) bacteria have an outer cell wall containing lipopolysaccharideE.    Both teichoic acids and lipopolysaccharide can be used to separate bacterial species

Which type of cell responds best to stationary bars of a particular orientation?     a. complex     b. end-stopped     c. jail     d. simple

In which situation would passive transport not use atransport protein for entry into a cell?a. water flowing into a hypertonic environmentb. glucose being absorbed from the bloodc. an ion flowing into a nerve cell to create anelectrical potentiald. oxygen moving into a cell after oxygen deprivation

Describe the movement of protons through the membrane. ( Chemiosmosis )