smallest unit that displays the properties of life; always contains cytoplasm surrounded by a plasma membrane.
Cell with nucleus.
What you define as normal a normal animal cell? You have to define this first, before asking a question.
he defined the cell as a nucleic mass with or without a cell wall
You can define a cell site as a single site that has a cell phone traffic through the single site. You can find this information online in encyclopedias such as Wikipedia.
Schultze defined the cell as "a particle of protoplasm with a nucleus."
You may mean the gridlines that visually define a cell, or borders that can be drawn around a cell.
the cell thery
if it is against a concentration difference.
A plant cell has a nucleus, cytoplasm, cell wall, cell membrane and (most of the time) chloroplasts. An animal cell only has a nucleus, cytoplasm and cell membrane.
A cell is specialized depending on what genes in it are active and which ones aren't. The genes that are active define what the cell's job is.
In a way, yes.
It is the Cell Theory.