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- 5. Name several functions of lipids.A food contains organic molecules with the elements C, H, and O in a ratio of 1:2:1. What class of compounds do these molecules represent, and what aretheir major functions in the body?Organic molecules consist mainly of ______ atoms. a. carbon b. carbon and oxygen c. carbon and hydrogen d. carbon and nitrogen
- 1. Explain why lipids are insoluble in polar solvents. 2. How do oils and fats differ?1. What is the basic units of matter and the defining structure of elements?a. Cellb. Atomc. Moleculed. Electron2. ______ is a one- or two-letter designation for an element derived from the element’s name.3. ______ is a group of two or more atoms that functions as a unit because the atoms are tightly bound togetherCalculate the atomic mass of each of the following elements using the given data for the percentage abundance and mass of each isotope. Include the unit. No need to show your solution.Lithium: 7.42% 6Li (6.01 amu) and 92.58% 7Li(7.02 amu)Answer: _________________Magnesium: 78.99% 24Mg (23.99 amu), 10.00% 25Mg(24.99 amu), and 11.01% 26Mg (25.98 amu)Answer: _________________1. What are the different classes of lipids? State their function and identify their chemical structure.