Suppose a new protein modification that is essential for proper ribosomal function has been discovered. When the protein is dissolved in water, it remains curled up. However, in the presence of an abundance of glucose, the protein molecule unfolds and attaches to lipid molecules, such as those that comprise the membrane of the cell. Which of the following conditions would MOST likely activate the protein? A.
gestational diabetes

B.
a high-fat meal

C.
sickle cell anemia

D.
a high-sugar meal

Mr. j, age 42, is a construction worker in las vegas. he recently noticed that a mole on his face seemed to be getting larger and darker. at first he did not worry because he was in the sun a lot and assumed the change may have been caused by sunburn. after a month, not only was the mole larger and darker, but it appeared to be “bumpy.” his doctor diagnosed a malignant melanoma skin cancer following biopsy of the nevus. mr. j reports pain in his right shin that does not go away when he puts his feet up or sleeps. discussion questions 1. relate mr. j’s skin changes to the warning signs for malignant melanoma. (see malignant melanoma.) 2. discuss the normal progression of this malignancy. what is the significance of the bone pain that mr. j is experiencing? (see malignant melanoma.) 3. discuss the treatment available for this patient and the prognosis for recovery. (see malignant melanoma.)