Throughout the history of nursing research, most studies have focused on clinical problems. TRUE
Answer:
They live in or around freshwater ponds, lakes, rivers, marshes and swamps.
Explanation:
Answer:
True.
Explanation:
As we know, the plasma membrane of the cells is semi-impermeable, that is, it only allows the passage of some molecules in sizes and specific burning nature. Although the Na + and Cl- molecules are very small, they are polar, electrically charged molecules. These molecules are not well seen by the membrane, which does not allow them to pass into the intracellular medium.
