Nồng độ ion canxi trong tế bào là 0,3%, nồng độ ion canxi trong môi trường ngoài là 0,1%.Tế bào sẽ nhân canxi bằng cơ chế:

Which type of organism is a caterpillar

Which of the following correctly describes the appearance of muscle tissue found in the heart? (2 points) single-nucleus, non-striated, short cells single-nucleus, striated, branching cells multinucleated, non-striated, branching cells multinucleated, striated, long threadlike cells

Which molecule is called the "molecule of hereditary?