Question: Q: What molecules with a nitrogen base are the basic components of nucleic acids? Choices: - sporozoans - enzymes - nuclides - nucleiotides A:
Answer: nucleiotides

Question: Q: What does the urea cycle process? Choices: - calcium - urine - oxygen - nitrogen A:
Answer: nitrogen

Question: Q: The spinal cord develops, cells making up the wall of the neural tube proliferate and differentiate into what? Choices: - membrane and glia - muscles and glia - jelly and glia - neurons and glia A:
Answer:
neurons and glia