Why should I care? (for extra credit) A) Steroids contain this 4-ring skeleton. Below at the right are 3 steroids made by our bodies. Based on the stereochemistry indicated in the steroids shown on the right, which configuration (I-IV) on the left best fits the general structure of our steroids. (CH3)2CHCH2CH2CH2 CH3 D B Ad HO II Cholestrol D OH CH3 CH3 H III Testosterone jsza OH CH3 Testosterone OH CH3 pas acast IV D -I I. I. HO Estrogen B) Given the stereochemistry indicated for the methyl groups, select the position on the cyclohexyl rings they occupy. O axial O equatorial C) Select the type of junction of the rings. fused O spiro O bridged