Answer:
When calcium concentration increases during depolarization, it shifts the conformation of troponin and tropomyosin, and actin is able to associate with myosin. As calcium is taken up again by the sarcoplasmic reticulum the muscle cell relaxes.
Answer:
The body needs protein to build and repair tissues to make hormones, enzymes, body chemicals e.t.c.
The body also uses protein as a building block of blood , bones, skin , muscles, cartilage e.t.c.
Explanation:
Things going from low concentration to high concentration with ATP. An example would be the sodium potassium pump
Even with treatment, up to 1 in 3 people with necrotizing fasciitis die from the infection. Six out of every 10 people who get both necrotizing fasciitis and streptococcal toxic shock syndrome at the same time die from their infection
Answer:
Hydrogen and helium.
Explanation:
Extrasolar planets, also called exoplanets are the planets that are placed out of the solar system and it orbits around another star, not the Sun. The planets that are not orbiting around the Sun are made of two easiest elements, and those elements are hydrogen and helium. Extrasolar planets are very strange objects that are not even close to looking like Earth.