What is the difference between eukaryotic and prokaryotic cells? Eukaryotic cells are found in bacteria and prokaryotic cells are not.

Prokaryotic cells are found in plants and animals and eukaryotic cells are not.

Eukaryotic cells contain organelles and DNA enclosed within a nucleus and prokaryotic cells do not.

Prokaryotic cells contain no organelles except DNA enclosed within a nucleus and eukaryotic cells do not.

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.

Acell in the human nervous system whose primary function is to form myelin and the blood-brain barrier, respond to injury, remove debris, and enhance learning and memory is called a(n) cell.

When listening the levels of orginization in orginisims from the smallest to most complex , which level is just below organs in complexity