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exam 2 study guide answers

Nonpolar and polar or charged are types of r groups

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Unformatted text preview: because they regulate traffic across the membrane and perform other functions. 7. Steroids are hydrophobic, and are very different from fats in structure and function. All steroids have a carbon skeleton that is bent to form four fused rings. One common steroid is cholesterol. THG is a chemically modified steroid intended to avoid detection by drug tests. 8. Each amino acid consists of a central carbon atom bonded to four covalent partners. Three of those attachments are common to all 20...
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