Scientific Method Final Exam Review Quiz

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Questions and Answers

Match the macromolecule type with its primary function:

Carbohydrates = Give us energy Proteins = Act as enzymes and do much of the work of the cell Nucleic Acids = Genetic information of the cell Lipids = Store energy and create cell membranes

Match the macromolecule type with its monomer:

Carbohydrates = Monosaccharides Proteins = Amino acids Nucleic Acids = Nucleotides Lipids = Long fatty acids

Match the following terms with their definitions:

Monomer = Molecule made of one unit Polymer = Molecule made of two or more units Bond = Energy that holds atoms and molecules together Enzymes = Catalysts that speed up chemical reactions by lowering activation energy

Match the following scientific method terms with their definitions:

<p>Independent variable = The changed or manipulated variable, what you are testing in an experiment Dependent variable = The measured variable, what you record, it's what you see in your results Controlled Variables = All the other variables that you don't change in an experiment Controlled experiments = Experiments that use only one variable (the independent variable) changed at a time</p> Signup and view all the answers

Match the following terms with their descriptions:

<p>Enzymes = Proteins that act as catalysts and end in -ase Catalysts = Substances that speed up chemical reactions by lowering activation energy Activation energy = The energy required to start a chemical reaction Macromolecules = Large molecules made of many cells and bonds</p> Signup and view all the answers