Podcast
Questions and Answers
Which of the following is NOT a factor that determines the permeability of the cell membrane?
Which of the following is NOT a factor that determines the permeability of the cell membrane?
- Types of solutes present
- Level of cell hydration
- Amount of cholesterol in the lipid bilayer (correct)
- Temperature
What is the approximate percentage of proteins in the lipid bilayer of the cell membrane?
What is the approximate percentage of proteins in the lipid bilayer of the cell membrane?
- 13%
- 3%
- 55% (correct)
- 25%
Which type of protein has tight attachment and spans the entire cell membrane?
Which type of protein has tight attachment and spans the entire cell membrane?
- Peripheral Proteins
- Ion Channels
- Integral Proteins (correct)
- Aquaporins
What is the main role of cholesterol in the cell membrane?
What is the main role of cholesterol in the cell membrane?
Which category of lipids confer antigenicity in the cell membrane?
Which category of lipids confer antigenicity in the cell membrane?
What type of interactions are responsible for the tight attachment of integral proteins to the cell membrane?
What type of interactions are responsible for the tight attachment of integral proteins to the cell membrane?
What type of transport involves the movement of solvent from low to high solute concentration?
What type of transport involves the movement of solvent from low to high solute concentration?
What type of solution has the same concentration of solutes both inside and outside the cell?
What type of solution has the same concentration of solutes both inside and outside the cell?
Which type of endocytosis involves the cell engulfs drops of fluid by pinching in and forming vesicles?
Which type of endocytosis involves the cell engulfs drops of fluid by pinching in and forming vesicles?
What is the source of energy for primary active transport?
What is the source of energy for primary active transport?
Which type of substance undergoes simple diffusion across the cell membrane?
Which type of substance undergoes simple diffusion across the cell membrane?
What type of transport exhibits co-transport and countertransport?
What type of transport exhibits co-transport and countertransport?
Which characteristic of carrier-mediated transport refers to the finite number of carriers?
Which characteristic of carrier-mediated transport refers to the finite number of carriers?
Which solution has a higher solute concentration outside the cell than inside?
Which solution has a higher solute concentration outside the cell than inside?
What is the process by which materials move into the cell?
What is the process by which materials move into the cell?
What type of endocytosis is extremely selective and involves receptor-mediated binding?
What type of endocytosis is extremely selective and involves receptor-mediated binding?
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