Une Chem 1005 Final Questions With Complete Solutions.

A 10-year-old female presents with chest pain and xanthomas over her elbows and knees. Her father died of a heart attack at age 35. Her mother has high cholesterol. Her physician suspects heterozygous familial hypercholesterolemia in the parents with homozygous disease in the daughter. This disease results from mutations in the receptor for low-density lipoprotein (LDL) or the ligand portion of its apoprotein coat. Which of the following apoproteins might be mutated? {Ans: B100}A 16-year-old woman presents to her primary care physician for a follow up visit. At her initial visit, 3 months ago, her serum cholesterol was 255 mg/dL (above normal). Today her serum triglycerides are reported to be 260 mg/dL (above normal) . She finds this very disappointing as she started a strict dietary regime reducing all fats and cholesterol, replacing them with a high carbohydrate diet. You tell her that high carbohydrate diets can increase serum triglyceride levels in some individuals. This can be attributed to an increase in the synthesis of which of the following lipoproteins? {Ans: VLDL}You and a friend are being chased by a bear. Under these conditions levels of epinephrine are increased due to metabolism of which of the following amino