Purine and pyrimidine metabolism results in production of____________?

✅ B. pericardium

Option A: pleura Option B: pericardium Option C: peritoneum Option D: epithelium Correct Answer : pericardium Read more

✅ A. Fibroblast and osteoblast.

Option A: Fibroblast and osteoblast. Option B: Osteoblast and osteoclast. Option C: Osteoclast and osteocyte Option D: Onteocyte and osteoblast Correct Answer : Fibroblast and osteoblast. Read more

✅ C. The bicuspid and tricuspid valves suddenly close

Option A: The ventricles are fully contracted Option B: The ventricles start to relax Option C: The bicuspid and tricuspid valves suddenly close Option D: The semilunar valves are closed Correct Answer : The bicuspid and tricuspid valves suddenly close Read more

✅ C. Marine Mammals

Option A: Fresh water mammals Option B: Terrestrial mammals Option C: Marine Mammals Option D: Flying mammals Correct Answer : Marine Mammals Read more

✅ D. Liverworts

Option A: Thallophytes Option B: Embryophytes Option C: Mosses Option D: Liverworts Correct Answer : Liverworts Read more

✅ C. viroids

Option A: virion Option B: mycoplasma Option C: viroids Option D: prions Correct Answer : viroids Read more

✅ A. Osculum

Option A: Osculum Option B: Ostia Option C: Spongocoel Option D: None of these Correct Answer : Osculum Read more

✅ B. skin disease