#Question id: 19217
#Unit 12. Applied Biology
#Question id: 10975
#Unit 7. System Physiology – Animal
A teenaged boy with numerous nosebleeds was referred to a physician for evaluation prior to a minor surgery. His prothrombin time (PT) was 11 sec (11–15 sec normal), partial thromboplastin time (PTT) was 58 sec (25–40 sec normal), and bleeding time was 6.5 min (2–7 min normal). Which of the following is most likely abnormal in this young man?
#Question id: 366
#Unit 1. Molecules and their Interaction Relevant to Biology
What is the pH of a solution with a hydroxyl ion (OH-) concentration of 10-10 M?
#Question id: 11848
#Unit 6. System Physiology – Plant
Polar transport is specific for active auxins, such as
#Question id: 8932
#Unit 9. Diversity of Life Forms