Which of the following terms describes the dna-protein complexes that look like beads on a string?

1. chromatin
2. 30-nanometer fiber
3. histones
4. nucleosome

How does buring fossil fuels impact does carbon cycle? what large impact does this have on the envirnment?

Nerve cells are specialized to respond to stimulitrue or false?

Amarine ecologist has constructed the conceptual model shown in the diagram. what predictions can be made from using this model? where the tertiary consumers get their energy how often primary producers are able to reproduce when bacteria and fungi initiate the process of decomposition whether other secondary consumers are present