1) Which of the following is the backbone of life a) sodium b) Potassium c) Carbon d) Calcium 2) Which of the following is an example of cis unsaturated a) Peanut butter  b) Animal fat c) Margarine d) Cod liver oil 3) Which type of lipids are solid at room temperature a) Saturated fats b) Unsaturated fats c) Phospholipids d) Steroids 4) Which of the following is found in RNA not in DNA a) Guanine b) Cytosine c) Thymine d) Uracil 5) How many types of Polysaccharides a) 1 b) 4 c) 2 d) 6 6) Which one of the following isconsidered simple starch : a) Amylopectin b) Amylose c) Chitin d) Gluc 7) What is the difference between nucleotide and nucleoside a) nucleoside have phosphate group b) There is no difference c) nucleotide have phosphate group d) both have nitrogen atoms 8) What a type of bond between fattyacids and glycerol is a) Ester bond b) Peptide bond c) Hydrogen bond d) Sulfate bond 9) What is the most common monosaccharide a) Glucose b) Fructose c) Sucrose d) Lactose 10) what is the structure of DNA called a) single helix b) double helix c) Triple helix d) coil structure 

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