The answer for that is B, and E it should be all in your book
Fluid, rolling, air resistance, and not sure about the last one.
The answer is B. Platypus, as they are mammals that lay eggs.
Answer:
Similarly to their eukaryotic counterparts, bacterial chromosomes perform the complex task of efficiently compacting DNA while supporting gene regulation and proper DNA segregation. Chromosomes are thus shaped at multiple scales by a large number of proteins and DNA enzymes
Is size exclusion chromatography one of the choices?