During contraction, the filaments slide past he thick filaments, shortening the sarcomere. The thick and thin filaments do the actual work of a muscle, and the way they do this is pretty cool. Thick filaments are made of a protein called myosin. At the molecular level, a thick filament is a shaft of myosin molecules arranged in a cylinder. Thin filaments are made of another protein called actin. The thin filaments look like two strands of pearls twisted around each other.
That statement is True
Over the past waters, the Eastern Europeans always have problems in obtaining clean fresh water
Not only it's scarce, but also filled with waste water, municipal, and industrial waste, which very dangerous for one's health
Answer:
2(82x²-26x+29)
Explanation:
(8x-7)(8x-7) + (10x+3)(10x+3)
[64x²-2(8x)(7)+49] + [100x²+2(10x)(3)+9]
64x²+100x²-112x+60x+58
164x²-52x+58
2(82x²-26x+29)