Why can sickle cell disease cause death? a. the malformed red blood cells cannot transport oxygen. b. the malformed red blood cells cannot enter capillaries and, in fact, block them. c. the malformed blood cells assume a sickle-shape. d. the patient has two copies of the mutant gene. e. more cells assume the sickle shape as oxygen concentration in the tissues falls.

Ryan is a nine-year-old boy whose father wants him to be a soccer player. ryan does not have an aptitude for soccer, and keeps failing miserably at it. his father criticizes him in an attempt to motivate ryan to play better. as per erickson’s psychosocial theory, what is a likely consequence of this criticism? a. ryan may start developing an interest in soccer. b. ryan may develop a respect for his father. c. ryan may develop an inferiority complex. d. ryan may excel at soccer. e. ryan may gain self-esteem.

Which of the following can be effective in preventing the onset of viral infection in humans? a) taking vitaminsb) getting vaccinatedc) taking antibioticsd) taking drugs that inhibit transcription

It is the third week of the semester. dolly has registered for five courses because she is in a hurry to finish fire protection technology aas program. dolly is in aca 122, pol 120, eng 111, developmental math, and cis 110. she has realized that she cannot be successful in all of the classes at the same time because she also works 30 hours per week and has two small children. she wants to withdraw from one or more of her classes, but she doesn’t know which ones to drop. what college policies and procedures does dolly need to understand to her make this decision? what advice would you give her?