What is the primary difference between a Prokaryote and Eukaryote? A. The presence of Organelles

B. Plasma Membranes

C. Membrane- bound Nucleus

D. Cell Walls

6. in the dna double helix, how are the two strands of dna held together? a. chemical bonds between base pairs hold the two strands of dna together. b. hydrogen bonds between the base pairs hold the two strands of dna together. c. hydrogen bonds between sugar groups and phosphate groups hold the two strands of dna together. d. chemical bonds between sugar groups and phosphate groups hold the two strands of dna together.

What advantages does a pedigree have over a written passage?

How dose plate tectonics effect climate