The average length of a women's menstrual cycle can last 28 days.
the answer is D
Answer:
True - plants are living things
I think it would be organ system for your awnser
True the lymphatic system is ANN important part of the immune system
Answer:
Uracil
Explanation:
Like DNA, RNA is made up of nucleotides called ribonucleotides. However, unlike DNA, RNA contains the sugar ribose instead of deoxyribose and the base uracil instead of thymine. RNA also contains of only one polynucleotide chain. Uracil is a type of nitrogenous base that is replaced by thymine during the formation of RNA.