1) What is a lipid? a) Lipids are organic compounds that constitute fats and fat-like compounds. b) A lipid is a naturally occurring, extremely complex substance that consists of amino acid residues joined by peptide bonds. c) Lipids are a type of macronutrient found in certain foods and drinks. 2) What are the three main types of lipids? a) carbohydrates, protein, and nucleic acid b) Triacylglycerols, phospholipids, steroids and waxes c) monosaccharides, disaccharides, and polysaccharides 3) What are the elements that make up a lipid? a) Iron, calcium, and oxygen. b) Small organic molecules consist of an alpha (central) carbon atom linked to an amino group, a carboxyl group, a hydrogen atom, and a variable component called a side chain. c) Lipids are composed mainly of the elements carbon, hydrogen, oxygen and some of nitrogen and phosphorus. 4) what are the two classifications of fatty acids?  a) Fatty acids are classified into two which are saturated and unsaturated fatty acid. b) Lipids are energy-rich organic molecules, which provide energy for different life processes. c) Lipids are oily or greasy nonpolar molecules, stored in the adipose tissue of the body. 5) One of these statements is the importance of lipids in our body. a) They provide support or backbone to other organic compound such as in the nucleic acid. b)  Serve also serve as the medium of some hormones like steroids and vitamin D and secosteroids. c) Contain genetic materials-the genes that determine traits.

Lipids quiz

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