In DNA the sugar used is called deoxyribose whereas in RNA the sugar is ribose (hence DNA and RNA). The important structural difference between the two types of RNA is that mRNA takes on the shape of a line whereas tRNA has a clover-like shape.
Answer:
The fossils in the lower layers are older than the fossils in the upper layers.
Explanation:
Answer:
Nucleus
Explanation:
The nucleus stores hereditart material and coordinates activities of the cell
The answer is rr because if it were "Rr" it would be round. Dominant always exceeds the recessive. so if both traits were recessive, it would be recessive. so "rr" is your answer
Chemical composition and physical properties
