The structure is a phospholipid bilayer. There are many phospholipids which contain a water loving phosphate end and a water hating lipid (fatty) end. The phosphate ends all point out words while the fatty ends are inside.
The purpose is protection of the cell as well as allowing certain molecules to enter and exit the cell
Answer:
C.
Explanation:
Strictly speaking, the only type of reproduction in Paramecium is asexual binary fission in which a fully grown organism divides into two daughter cells. ... Autogamy (self-fertilization) is a similar process that occurs in one organism.
Cells are the basic unit of life and they are the 1st level of organization. The heart is the 3rd level. They are separated by 1 level, tissues.
Answer:
A. the energy required to maintain vital body functions.
