DNA is a double-stranded molecule whereas RNA is a single strand.

1.) DNA contains the thymine nucleotide; what replaces thymine in a RNA strand?

2.) There are three forms of RNA; what are they?

If Walter puts a bucket of water out in the sun on a hot, windy day, what will happen to the water level in the bucket? (A.) The water level will go down as the water evaporates from the bucket. (B.

20 words about body, health, or disease.

How do genes in DNA determine the characteristics of living things

Missouri made the crinoid its official state fossil. Nicknamed the "sea lily," crinoids are actually formed by ancient sea animals. What present day animals are they related to?

A scientific law is the same as the hypothesis Comes from the work of pseudoscience Can be trusted all of the time Is voted true by scientists

What are the four stages of cell signaling?

Is water cycle a physical system or a social system?

Which of these examples demonstrates homeostasis? A. a bird flies south for the winter and flies back north in the spring. B. An amoeba takes in food and digests it. C. A cat runs away when it hears a noise. D.

Enzymes are important?

Which periods are older than the Triassic period? Select 3 options. Cambrian Cretaceous Jurassic Permian Silurian