What two major systems are used for protein degradation in most cells??
A) ?mitochondrial and cytosolic
B) ?u-calpain and m-calpain
C) ?GTP-requiring and GTP-independent
D) ?lysosomal and ubiquitin-proteosomal
D
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Which of the following may result from excessive intake of vitamin A?
a. oxalate stones b. cardiovascular disease c. liver damage d. hypercalcemia e. kidney damage
Betsy Winslow is a 62-year-old retired school teacher. She is 5'3" tall and weighs 155 pounds (BMI 27.5). Mrs. Winslow is a member of a walking group that meets three mornings a week. She walks two miles each morning. After experiencing episodes of chest pain and shortness of breath when walking, she made an appointment to see her physician. Her laboratory results are as follows: Total
cholesterol 251 mg/dL HDL cholesterol 47 mg/dL LDL cholesterol 146 mg/dL Triglycerides 203 mg/dL Mrs. Winslow's 24-hour recall reveals the following intake: Breakfast: Scrambled eggs, bacon, toast with butter and jelly Lunch: Hamburger, pizza, salad with Italian dressing Dinner: Fried chicken, mashed potatoes and gravy, buttered corn on the cob, 2% milk, sweet tea, coconut cake Snack: Ice cream, cola Snack: 3 chocolate cookies, 2% milk To reduce her risk of CHD, Mrs. Winslow's LDL should be _____ mg/dL. a. <100 b. <130 c. >140 d. >120 e. <150
Diarrhea is a symptom associated with _____ deficiency and a disease called _____.?
A) niacin, pellagra B) thiamin, beriberi C) vitamin C, scurvy D) vitamin D, rickets E) molybdenum, xerophthalmia
All of the following factors undermine the efforts of the National School Lunch Program to serve nutritious foods at school except:
a. short lunch periods and long lines. b. the availability of salad bars. c. access to vending machines. d. the presence of fast-food restaurants.