Compounds with the same molecular formula but differing structures and propertie
ID: 80921 • Letter: C
Question
Compounds with the same molecular formula but differing structures and properties are called: a. isotopes. b. ionic. c. isomers. d. isotonic. e. introns. A man with type O blood and a woman with type B blood cannot have children with type _____ blood. a. O b. B C. A or O d. AB or O e. A or AB The central vacuole in plant cells fill with water, which pushes the cytoplasm against the cell wall, supporting the plant. If a plant were placed in a hypertonic salt solution, a. the cells would swell as water moved from the hypertonic solution into the plant. b. the cells would shrink and wilt as water moved from the plant into the hypertonic salt solution. c. the cells would stay the same size; there would be no net movement of water into or out of the plant cells. d. the plant cells would burst, since the cell wall cannot support the turgor pressure of water moving into the cell. e. the plant would stop photosynthesizing and die.Explanation / Answer
3.Compounds with same molecular formula but differing structures and properties are called isomers. Eg. Glucose and mannose have same chemical formula but optical properties are different due to orientation change of structure.
4. A man with O blood group and a woman with B blood group can't have children with A or AB blood group.
the O blood group have genotype Iolo and produce one type of gamete Io. The B blood group woman has genotype IoIB or IBIB. And A and AB blood group child should have IA gamete There is no chance to get IA gamete from a O blood group man and a B blood group female. That's why option no "e" is correct choice.
5. The plant cell would shrink and wilt if it is placed in a hypertonic solution. If a plant cell is placed into hypertonic solution then the water in the plant cell will moved out into the hypertonic solution due to osmosis. So, here option "b" is correct option .
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