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:
Go to bed at the same time every evening and wake up at the same time in the morning.
Explanation:
Answer:
Coelenterates are the first invertebrates to develop a true nervous system.