Biology, 20.11.2020 06:50 maddy121209
Please help I don't know how to do this
Each of these statements was made by a candidate in an examination. Each one contains at least one error. Decide what is wrong with each statement, and rewrite it correctly.
a. If Visking tubing containing a sugar solution is put into a beaker of water, the sugar solution moves out of the tubing by osmosis.
b. Plant cells do not burst in pure water because the cell wall stops water getting into the cell.
c. Animal cells plasmolyze in a concentrated sugar solution.
d. When a plant cell is placed in a concentrated sugar solution, water moves out of the cell by osmosis, through the partially (selectively) permeable cell wall.
Answers: 2
Biology, 21.06.2019 18:00
Awater molecule is polar because there is an uneven distribution of these between the oxygen and hydrogen atoms.
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Biology, 22.06.2019 02:50
How does upwelling affect coastal fisheries? upwelling damages nutrient supplies at coastal fisheries as the warm, nutrient-rich surface water is replaced by nutrient-poor, cold water. upwelling damages nutrient supplies at coastal fisheries as the cold, nutrient-rich surface water is replaced by nutrient-poor, warm water. upwelling improves the nutrient supply at coastal fisheries as the warm, nutrient-rich surface water replaces the nutrient-poor, cold water. upwelling improves the nutrient supply at coastal fisheries as cold, nutrient-rich water replaces the warm, nutrient-poor surface water.
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Biology, 22.06.2019 08:00
What are the student's observations and inferences before he starts his investigation?
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Please help I don't know how to do this
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