An enzyme is a protein molecule in cells which works as a biological catalyst. *brainliest pls*
The outer coverings that are tough but, flexible provided protection to the land plants.
Answer:
Hematopoiesis
Explanation:
Hematopoiesis is the process of blood cell formation and this occurs in the bone marrow. Hemato- is Greek, which means blood. -Poiesis is Greek, which means, creation or production. The bone marrow produces some white blood cells, all red blood cells and platelets. Its purpose is to produce blood for the living organism and replenish blood lost.
It must go through the plasma membrane
