True or False _____e. Ions require special channels composed of phospholipids to pass through _____f. in active transport, the source of energy is the molecule called NADPH _____g. Diffusion is passive because no energy is required in moving substances
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True or False
_____e. Ions require special channels composed of phospholipids to pass through
_____f. in active transport, the source of energy is the molecule called NADPH
_____g. Diffusion is passive because no energy is required in moving substances
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- active transport when no ATP is available is faster than when ATP is available true or false?Which of these does require energy? * Active transport Osmosis Facilitated diffusion Simple diffusion This is a required question三v ng 10. For each statement below, check the type of transport that it correctly describes. There may be more than one correct answer for each. 田 Facilitated Active Simple diffusion Osmosis Diffusion Transport Molecule moves down its concentration gradient Molecule moves through a transmembrane protein Molecules move through the phospholipids directly Molecule moves against its concentration gradient Diffusion of the solvent specifically This process requires energy This process does not require energy II
- ATP is used directly in secondary active transport. Group of answer choices True FalseWhich of the following characteristics may be used to describe Active Transport? Select all that apply. occurs without a transporter protein requires an energy source shows saturation kinetics (has a maximum rate) can occur against a concentration gradient (i.e. uphill)This type of passive transport :•does not require ATP•uses transport proteins to increase the rate of diffusion •helps transport polar molecules (H2O, H+). 2 words
- Time Which of the following is not true about Active transport Select one: O is not driven by the concentration gradient in the cell. O can increase the concentration of an ion in the cell more than the surrounding medium. O is driven by ATP and PME O requires the help of channel proteins. occurs with the assistance of membrane proteins. NWhich of the following cellular transport methods is energy independent? O Facilitated diffusion O Primary active transport O Simple diffusion EndocytosisA membrane simulator is shown below. Watch the video clip in order to answer the question. X C Diffusion Osmosis two membranes Pore size Watch on YouTube 20 Trace a molecule K 4.5s Share About E3 Share In the scenario shown above, the green spheres are Glucose molecules and the blue dots are water molecules. What form of transport is being observed? e
- The O O O Na+/K+-ATPase pump performs Facilitated diffusion Simple diffusion Primary active transportWhich of the following is NOT true about the Na/K ATPase? O It breaks down ATP O It brings 2 K out and 3 Na in O It is an example of active transport It is a transmembrane protein OAll of the above are trueWhich of the following is true regarding bulk transport? ATP is required to pump molecules against the concentration gradient Bulk transport is an example of passive transport Transport of large quantities of materials ATP changes the shape of a protein channel during active transport