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1 | What four groups of macromolecules will you study in today's lab? |
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2 | In a macromolecule, subunits are linked by a process called , in which energy is required to join two subunits with a covalent bond and a molecule of water is removed. |
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3 | In a macromolecule, the process of occurs when a bond is broken between subunits, energy is released, and a molecule of water is required. |
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4 | Circle the correct answer. A negative control contains the variable for which you are testing; it reacts positively and demonstrates the test's ability to detect what you expect. |
| A) | True |
| B) | False |
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5 | How many subunits are in a monosaccharide? disaccharide? polysaccharide? |
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6 | In proteins, a ________ bond links the amino group of one amino acid with the carboxyl group of another amino acid. |
| A) | peptide |
| B) | polar |
| C) | hydrogen |
| D) | valine |
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7 | Lipids are soluble in water. |
| A) | True |
| B) | False |
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8 | Triglycerides are made up of one molecule for every three molecules. |
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9 | What are the three building-blocks of a nucleotide? |
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10 | What molecules form the bond holding nucleotides together? |
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11 | Amino acids, the subunits of proteins, are made of what three parts? |
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12 | What are the differences between RNA and DNA? |
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13 | A Biuret test detects the presence of ________. |
| A) | starch |
| B) | triglycerides |
| C) | DNA |
| D) | protein |
| E) | reducing sugars |
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14 | A Dische diphenylamine test detects the presence of ________. |
| A) | starch |
| B) | triglycerides |
| C) | DNA |
| D) | protein |
| E) | reducing sugars |
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15 | Hair, feathers and spider silk, all protein’s, are made up of: |
| A) | glucose |
| B) | amino acids |
| C) | nucleotides |
| D) | glycerol and three fatty acids |