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Classify each phrase based on whether it describes or gives an example of facilitated diffusion, active transport, or both.
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- which surface to volume ratio woud be the most efficient for transmembrane transport of substance in cellsDescribe active transport across the plasma membrane marking note of concentration gradient Nd energy requirementsMovement of phospholipids to opposite sides is calleda) Facilitated diffusionb) Lateral diffusionc) Transverse diffusiond) Simple diffusion
- In active transport ATP provides energy to transport asubstance ________________ a concentration gradient.Vacuoles are fluid-filled organellespresent in some cells.Which function isNOT normally performed by vacuoles?Match the organelle to its function. Match the organelle to its function. steroid synthesiscell shape and movement of organellesturgor pressuredetoxification of hydrogen peroxideribosome productionprotein synthesisstorage of hydrolaseinformation centersynthesis of secretory proteinsphotosynthesiscontains pigments in flowersboundary of the cellsynthesis of complex polysaccharidesATP synthesissupport and regulation of cell properties ribosome nucleus rough endoplasmic reticulum Golgi complex chloroplast chromoplast nucleolus peroxisome lysosome central vacuole extracellular matrix mitochondrion cytoskeleton plasma membrane smooth endoplasmic reticulum
- Characterize and/or differentiate, and give their functional role/s inside the cell. Active transport versus Passive transport Membrane channels versus membrane pumpsVesicle transport occurs between the ER and the Golgi in bothdirections. Let’s suppose a researcher added a drug to cells thatinhibited vesicle transport from the Golgi to the ER but did not affectvesicle transport from the ER to the Golgi. If you observed cellsmicroscopically after the drug was added, what would you expect to seehappen over the course of 1 hour?a. The ER would get smaller, and the Golgi would get larger.b. The ER would get larger, and the Golgi would get smaller.c. The ER and Golgi would stay the same size.d. Both the ER and Golgi would get larger.e. Both the ER and Golgi would get smallerTay-Sachs disease is a genetic disorder that results in thedestruction of neurons due to a buildup of sphingolipidsin the cells. Which organelle is malfunctioning in TaySachs?a. lysosomeb. endoplasmic reticulumc. peroxisomed. mitochondria