Ais developed through the scientific method, and it can be modified or improved upon. it may be represented by a model. as seen here, three different models were used to represent atomic structure as ideas changed over time.

Atypical human cell is approximately 12.00 μm in diameter and enclosed by a membrane that is 5.000 nm thick. (a) what is the volume of the cell including the membrane? (b) what is the volume of the cell membrane? (c) what percent of the total volume does its membrane occupy? to simplify the calculations, model the cell as a sphere. enter your answers using four significant figures.

How do living things obtain phosphorus

Describe how a non-resistant staphylococcus aureus bacterium can produce a bacterium that is resistant to methicillin