Biology Biochem test
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What is your first name? *
What is your last name? *
What is your period? *
1.  A bond where two atoms share one or more electrons: *
2.  When you make Kool-Aid, what is the solvent? *
3.  If a substance has a pH of 6, it is a: *
4. If an atom has more electrons than protons, what charge will it have? *
5.  Plants store excess sugar in the form of: *
7.  Water helps living organisms maintain homeostasis.  The best example of this is when water *
8.  Water is considered a polar substance.  Polarity means: *
9.  A reaction in a cell can occur at lower temperatures and more rapidly because of which type of molecules? *
10.  Eliminating  wastes in water takes advantage of which of water's properties? *
11.  Which elements would you expect to find in a human cell? *
12.  What are the functions of lipid molecules? *
13.  Atoms of the same element that have different numbers of neutrons are called? *
14.  Which of the following is a main component of enzymes and is responsible for the structure of cells and tissues? *
Use these diagrams to answer questions 15 and 16.
15.  Which structure represents a carbohydrate molecule? *
16.  What is the function of D? *
17.  Which of the following is not an organic compound? *
19.  Substance has a pH of 6.5 *
20.  Substance tastes sour *
21.  Substance has more OH- than H+ *
22.  Pure water *
23.  Dish soap *
24.  Substance has equal amounts of OH- and H+ when dissolved in water *
25.  Lemon juice *
26.  Substance has a pH of 11 *
27.  Has a monosaccharide monomer *
28.  Has a fatty acid monomer *
29.  Has a nucleotide monomer *
30.  Has an amino acid monomer *
31.  cholesterol *
32.  DNA *
33.  glucose *
34.  Wax *
35.  Cellulose *
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