1. Hypothesize in what type of environments it would be advantageous for a protist to be autotrophic, heterotrophic, or mixotrophic.
2. Many algae are photosynthetic, like plants. Why then are they not classified as such?

What is the difference between an igneous, sedimentary and metamorphic rock

2. which is the last step in the scientific method?

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