bio 125 grace exam 1.docx

bio 125 grace exam 1.docx - Kyle Colyn Bio 125 Grace...

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Kyle Colyn Bio 125 9-27-16 Grace responses 3. CH 3 is capable of regulating gene expression. 4. Testing the anti-inflammatory properties of drugs using cultured cells is an example of reductionism. 5. COOH is an example of a carboxyl group. 6. A carboxyl group is not present in a molecule of caffeine. 7. Iodine is a trace element added to table salt that is commonly needed by humans. 8. Only H 2 O is a compound. 11. Oxygen is more electronegative than the hydrogen atoms in the oxygen atom of a water molecule. 12. The arrow is pointing to a polar covalent bond because electrons are not shared equally with the one oxygen and the two hydrogens. 13. Fewer hydrogen bonds form between alcohol molecules. As a result, less heat is needed for alcohol molecules to break away from solution and enter the air. That is the most logical explanation. 14. When theories accumulate sufficient supporting evidence they become laws. 17. The robot’s cardiac cells, working together in synchrony, could be considered as tissues in
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