Pls help set of ?'s
3. What is bone marrow like AND what is its main job?
4. Why is your spine such an important set of bones to have for your body?
5. What body organs do your ribs and skull protect?
6. How many bones are in BOTH hands and in BOTH feet? Why do we need so many bones in
our hands and feet?
7. What are joints?

If hot water is not available in the ware washing sink, food establishments can still serve food using

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv

The age of receding pandemics is one of three progessive ages of epidemiologic transition. select one: true false