The basic building blocks of all living things are cells. The body of humans is made up of trillions of cells. Plants and animals are made up of cells. They are considered as the basic units of life.
Protection of Genetic Material: The nuclear envelope shields the DNA from the mechanical and chemical stresses of the ...
Mallinckrodt Institute of Radiology, Washington University School of Medicine, Saint Louis, MO, United States The dorsal raphe nucleus is a critical node for affective and motivated circuits in the ...