Chlorophyll is insoluble in_____________?
Correct answer: D. Water
- A. Carbon tetrachloride
- B. Alcohol
- C. Organic solvents
- D. Water
Explanation
Chlorophyll is a lipid-soluble pigment, so it dissolves in alcohol and other organic solvents but is insoluble in water. Students may choose carbon tetrachloride because it is less familiar, although chlorophyll can dissolve in suitable nonpolar organic solvents.
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About Cellular Respiration
Cellular respiration releases energy from glucose through glycolysis, the link reaction, the Krebs cycle and the electron transport chain, producing ATP. The pathway differs in oxygen availability: aerobic respiration uses oxygen and yields more ATP, while anaerobic respiration produces much less ATP and forms lactic acid in muscles or ethanol and carbon dioxide in yeast.
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