Bind the core protein to hyaluronic acid: Answers A-E A Sulfate and carboxylic acid groups B GAGs C Hyaluronic acid (HA) D Core proteins E Linker proteins Androgens increase the activity of ALT2 by stimulating an increase in the levels of the enzyme. What concept of enzyme regulation is exemplified by the response of ALT2 to androgen hormones? Answers A-E A Gene induction B Isoenzyme expression C Zymogen activation D Allosteric regulation E Feedback regulation A 65-year-old woman presents with general weakness. She had the weakness for the past few days, and it gets worse as the day progresses. She says she has been having double vision, and you notice she has poor posture. A blood test reveals presence of antibodies to acetylcholine receptor. A repetitive nerve stimulation test showed a decremental response (diminution in the intensity of the response). What is the most likely diagnosis of this patient? Answers A E A Rheumatoid arthritis B Myasthenia gravis C Alport syndrome D Ehler's Danlos type IV E Marfan syndrome