Which part of an organism is preserved in cast and mold fossils?
skin
bone
muscle
soft tissue

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

Guard cells control which event? the growth of plants capture of solar energy gas exchange in leaves water absorption in roots

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