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An aqueous plant found in its natural environment would be in a solution known as:
a. Hypotonic
b. Isotonic
c. Hypertonic
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- Compared with a cell with few aquaporin proteins in itsmembrane, a cell containing many aquaporin proteins will(A) have a faster rate of osmosis.(B) have a lower water potential.(C) have a higher water potential.(D) accumulate water by active transport.Which of the following is true of passive transport?a. it requires a gradient b. it uses the cell wall c. it includes endocytosis d. it only moves waterWhen a plant cell, such as one from a peony stem, is submerged in a very hypotonic solution, what is likely to occur? Group of answer choices A. the cell will become flaccid B. the cell membrane will lyse C. he cell will become turgid D. plasmolysis will shrink the interior E the cell will burst
- Turgor pressure can be measured, in part, by determining the ____________. A. external force of water applied to a bacterial cell's membrane B. external force of water applied to animal cell's membrane C. internal force of water applied to a plant cell's vesicle D. internal force of water applied to a fungal cell's wallCells need to be attached to a basement membrane in order to divide. What property of cells is described? A. Anchorage-dependence B. Density-dependence C. Growth factor dependenceWhich of the following is not true of endocytosis?a. It is a form of passive transport.b. It includes pinocytosis.c. It can occur in coated pits.d. It is used by Amoeba to feed on Paramecium.
- A ______strip between abutting endodermal cell walls forces water and solutes to move through these cells rather than around them. a. cutin c. cohesion b. Casparian d. celluloseWhen a cell loses volume when immersed in a solution, the best description for thatsolution is:a) hypotonic b) isotonic c) isocraticd) hypertonicCells in a hypertonic solution tend to: a. shrink due to water loss b. swell due to water gain c. stay the same size due to water moving into and out of the cell at the same rate d. none of the above
- The membrane in the diagram above is not permeable to the sugar in the solution, however it is permeable to water. Which of the following statements would best describe what will happen? Select ALL that apply. [mark all correct answers]a. Sugar molecules will move to side A until the concentrations on both sides are equal.b. There will be no change since the membrane is not permeable to the sugar molecules.c. Sugar molecules will move to side A at the same rate as the water molecules will move to side B.d. Water molecules will move to side B until the concentrations on both sides are equal.In a beaker containing 0% NaCl, you place a cell which contains 0.9% NaCl. NaCl doesn t cross the membrane. What will be the result?" a There will be net movement of water into the cell. b There will be net movement of NaCl into the cell. c There will be net movement of water out of the cell. d There will be net movement of NaCl out of the cell. e The cell will swell.A cell exposed to a hypertonic environment will ________ by osmosis.a. gain water b. lose water c. neither gain nor lose water d. burst