Why am I always answering people questions when they should answer mine
This statement is true. To be more specific, the calcium ions bind to the troponin, which are attached to the protein tropomyosin. The tropomyosin then to shifts to expose the actin filaments to which myosin heads need to bind to produce contraction.
Answer:
Option (D)
Explanation:
Environment refers to all the living and non-living components that surround us. There occur various processes such as precipitation, evaporation, weathering and erosion, deposition, and the processes that are associated with the various cycles such as geochemical cycle, nitrogen cycle, carbon cycle, phosphorous cycle and so on.
These processes occur in all the regions on earth and at different rates, and they are comprised of energy that is constantly in the flow from one region to another. These environmental changes and the forces that are involved in it are dynamic in nature.
Thus, the correct answer is option (D).
Multicellular
hope this helps
Answer:
it's a law
Explanation:
The second law of thermodynamics
