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Answer: alternating dark and light bandsof protein filaments
Skeletal muscle fibers contain striations that can be described as alternating dark and light bands of protein filaments. Actin, tropomyosin, and troponin are among the protein filaments. The dark bands are the so-called A bands. Alternating light bands are referred to as I bands.
Plant perform photosynthesis and provide the energy to the ecosystem
Plant are organisms that covert the sun energy into food used fo growth and development
Answer:
Photosynthesis is the process that removes carbon dioxide from the Earth's atmosphere.
Explanation: