Calcium ions are stored in the sacoplasmic reticulum. Sarcoplasmic reticulum plays an important role in storage and also acts as a release site for calcium. When calcium is released by the sarcoplasmic reticulum into the muscle it binds to the troponin, thus causing the tropomyosin to shift from the face of the actin filament to which myosin heads need to bind to produce a contraction.
Answer:
The answer is Archaea
Explanation:
Archaea are the single celled organisms similar to bacteria however they have different membranes.
They are known to be extremophilic since they can grow and survive in extreme condition. The environment extremity can be highly alkaline or acidic environment and hot springs etc. Also these can survive in high temperature and pressure conditions.
For Absolute dating they assign a numerical date to each rock layer studied
For relative dating they go Through geological dating and stratigraphy processes. Also, they use Uranium Dating.
La sangre sale del corazón a través de la válvula pulmonar hacia la arteria pulmonar y hacia los pulmones. La sangre sale del corazón a través de la válvula aórtica, hacia la aorta y hacia el cuerpo. Este patrón se repite, lo que hace que la sangre fluya continuamente al corazón, los pulmones y el cuerp.o espero que esto te
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It is the ribosomes that assist tRNA