Which of the following is not an echinoderm? sea urchins starfish jellyfish none of the above

Examine the air pressure map. which type of line is shown on the map?

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.

Dna, in the nucleus carries the genetic code for making proteins in ribosomes. in the diagram, b, represents the proteins produced. dna cannot leave the nucleus to carry the genetic information to the ribosome where proteins are produced. how does the genetic code get from the nucleus to the ribosome? what does a represent? now