Which nitrogen containing base is found in rna but not in dna?

Which process of living things produces water that enters the water cycle

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia

Why is hemophilia more common in males than in females? a. hemophilia is more common in females b. affected males only need to inherit one copy of the allele c. hemophilia affects only males