The process by which organ systems maintain a relatively stable internal environment is called
1. circulation
2. organization
3. homeostasis
4. teamwork

Drag the tiles to the correct boxes to complete the pairs. match the nitrogenous base of dna with its complement.

One of the reasons that stars are so large is because

Do the following statements describe actin, myosin, both of the proteins or neither of the proteins? (a) contains a binding site for calcium (b) found in the i band (c) exists in a globular (g) form and a filamentous (f) form (d) contains a binding site for atp (e) is a component of the thin filament (f) is a component of the thick filament