#Question id: 10961
#Unit 7. System Physiology – Animal
Over the past 12 weeks, a 75-year-old man with a moderate aortic stenosis has developed shortness of breath and chest pains during exertion. He appears pale. Test of his stool for blood is positive. Laboratory studies show the following: hemoglobin 7.2 g/dL, and mean corpuscular volume 75. A blood smear shows microcytic, hypochromic erythrocytes. Which of the following is the most likely diagnosis?
#Question id: 4910
#Unit 8. Inheritance Biology
For a trait known to be caused by a mitochondrial gene variant, there may be an occasional female that can transmit different phenotypes to her progeny on an apparently random basis. What situation might you suspect?
#Question id: 1418
#Unit 4. Cell Communication and Cell Signaling
Apoptosis can be induced by a mitochondrial protein being released into the cytosol. This protein binds directly to what in the cytosol?
#Question id: 2609
#Unit 2. Cellular Organization
trp Operon structures involves,
#Question id: 2262
#Unit 2. Cellular Organization
Ribosomes are made up of ____ subunits.