Agenetic defect causes the distal tubules of nephrons to malfunction which of the following may not occur during urine formation

The secretion of larger molecules which may be poisonous. There are three processes that involved in the formation of urine in the nephrons of the kidney. Water and small particles move during filtration into the tubule. Secreted substance which is filtrates in the distal tubule includes uric acid, hydrogen ion, ammonia and potentially toxic substances like penicillin.

i am going to guess that it is co2.

any abiotic or biotic factor in an ecosystem that causes a population's size to slow or decrease is a limiting factor.