Cholesterol is a membrane component that can modulate membrane fluidity. True O False
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- List the means of unassisted membrane transport.Which of the following membrane transport mechanisms requires expenditure of metabolic energy? active transport of water facilitated transport of valine coordinated transport of Na+ and K+ against concentration gradient. diffusion of steroidsWhen a person becomes dehydrated, the amount of water in extracellular fluids such as blood decreases, causing the solute concentration of these fluids to increase. State whether osmosis results in water entering or leaving cells.
- Phospholipids are the only molecule type which make up lipid bilayers in plasma membranes True or Falsemembrane permeability for most of the compounds is directly proportional to their partition coefficient or their relative solubility in oil versus water true or falseAll the fluid found outside cells is collectively called _____ fluid, and consists of _____________ and ______________ fluid.
- Water may move through membrane pores constructed by transmembrane proteins called ________.The ability of the Goldenrod Gall Moth caterpillar to avoid freezing is due to ____ which passes through a _____ membrane. Question options: Glycerol, permeable Glycerol, semipermeable Glucose, semipermeable Glucose, permeableSevere vomiting and diarrhea cause a loss of water and solutes from extracellular fluids. If the person was given only water, what effect would this have on the solute concentration of the extracellular fluids? Would osmosis results in water entering or leaving cells?
