Question

cells are...
microscopic units that contain only dna.
lifeless globs into which an organism is subdivided.
lifeless globs that contain super small cell organelles.
microscopic units in which all an organisms life processes happen.

Explanation:

Cells are the basic structural and functional units of life. They are microscopic and host all life - processes of an organism. They contain not only DNA but also other components like proteins, lipids, etc. They are not lifeless as they are actively involved in metabolism, growth, and reproduction.

Answer:

D. microscopic units in which all an organism's life processes happen.