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Question: problem set 1 biol 253 1 15ptsthe chemical structures of...

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Problem set 1: BIOL 253 1. (1.5pts)The chemical structures of three suspected carcinogens are shown below. a. Which molecule(s) contain nonpolar covalent bonds? (0.25 pts) b. Which molecule(s) contain polar covalent bonds? (0.25pts) Circle an example of a nonpolar and polar covalent bond in one of the carcinogens below (not the example). Label the circled nonpolar covalent bond with an NP. Label the circled polar covalent bond P. Reminder, in the depiction of molecules B and C a corner or intersection of lines represents a carbon. Make sure to circle both atoms involved in the bond! (0.5pts, zero if not labeled) Example: One bond circled below c. d. Which molecule will most easily pass through the hydrophobic lipid bilayer of a cell membrane, explain why? (0.5pts) NH2 H O Acrolein НН Benzidine Butadiene
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