Dna must be coiled into special structures before a cell divides. why do you think it is necessary for the dna to be structured this way before cell division occurs?

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?