#Question id: 18374
#Unit 12. Applied Biology
#Question id: 2999
#Unit 2. Cellular Organization
Agar is superior to gelatin as a solidifying agent because agar
#Question id: 23335
#General Aptitude
#Question id: 5698
#Unit 8. Inheritance Biology
A mechanism that can cause a gene to move from one linkage group to another is
#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?