Which of the following organs is responsible for removing nitrogenous waste by producing urea ? a. liver b. kidney c. small intestine d. urinary bladder

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

answer; i believe the correct answer is (anemia);