Cells, the basic units of life Flashcards
what is a cell?
the smallest structural unit of life.
what are microscopic organisms?
organisms that consist of a single cell, ex bacteria.
what are macroscopic organisms?
organisms that consist of large numbers of cells. ex plants and animals.
who formulated the cell theory?
Theodor Schwan, a zoologist, and Matthias Schleiden, a botanist, formulated the theory.
what is the cell theory?
the theory states that:
a cell is the basic structural and functional unit of all living organisms. All living organisms consist of one or more cells, and each of these cells has the basic characteristics of life.
what is found in a basic structure of a cell?
1) Nucleolus
2) Nucleoplasm
3) Cytoplasm
4) Nucleus
5) Cell membrane
6) Nuclear membrane
what does cytoplasm consist of?