#Question id: 1107
#Unit 4. Cell Communication and Cell Signaling
Viagra causes dilation of blood vessels and increased blood flow to the penis, facilitating erection. Viagra acts by inhibiting which of the following events?
#Question id: 103
#Unit 1. Molecules and their Interaction Relevant to Biology
Lipids may be either hydrophobic or ________.
#Question id: 995
#Unit 1. Molecules and their Interaction Relevant to Biology
Saturated fatty acids are degraded by the stepwise reactions of B oxidation, producing acetyl-CoA. Under aerobic conditions, how many ATP molecules would be produced as a consequence of removal of each acetyl-CoA?
#Question id: 10938
#Unit 7. System Physiology – Animal
A 45-year-old woman developed fatigue in July and had blood counts that were reported to be normal. She was hospitalized because of a very severe headache in December, and was found to have a blood pressure of 175/90. Her laboratory values were as follows: hemoglobin (8.3 g/dL), RBC count (2.2 × 10^6/μl), Hct (23%), MCV (89 fL), WBCs (5100/μl), platelets (262 × 10^3/μl), and reticulocyte count 0.8%. What is the diagnosis for this patient?
#Question id: 20998
#Unit 12. Applied Biology