Discussion
1. What changes occurred in the diameter of the onion rings that were immersed in the distilled
werter and concentrated sucrose solution? State the difference in the concentration of water
molecules in the onion cells and the solutions.
(a) Distilled water
(b) Concentrated sucrose solution
2. Explain why the changes occurred in the onion rings immersed in:
(a) distilled water;
(b) concentrated sucrose solution.
Answers: 3
Biology, 22.06.2019 04:00
Why are fossils not found in igneous rocks? igneous rocks are made from cooling of lava or magma. igneous rocks are found too deep underground. igneous rocks are too dark in color to contain fossils. igneous rocks are too dense to contain fossils.
Answers: 2
Biology, 22.06.2019 10:00
Nephrons, the functional unit of kidneys, are responsible for formation of urine. the sentences describe situations that are the result of problems in the urine formation process. for the nephron shown below, match each situation to the step in the urine formation process where the problem lies.
Answers: 1
Discussion
1. What changes occurred in the diameter of the onion rings that were immersed in the di...
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