Which of the following is TRUE of both plant AND animal cells? They contain a nucleus

They contain chloroplasts*

They have a cell wall

Consider this plant cell which organelle is labeled g

How is ribosomal rna useful as a molecular clock? a. a large portion of the dna ring is not vital to structure or function, allowing it to accumulate neutral mutations. b. its rate of mutation increases over time as organisms continue to evolve and differentiate from each other. c. a slow mutation rate makes it useful for determining evolutionary relationships between ancient species. d. it is only found in select organisms, making it easier to compare relationships between species that have it.

Creating new things to solve problems and improve life depends on the close interaction of which two fields?