Cytoplasm

Definition

Cytoplasm is the jelly-like substance within the cell membrane that contains all organelles and cell parts. It plays a crucial role in maintaining cell structure and facilitating cellular processes.

5 Must Know Facts For Your Next Test

1. Cytoplasm consists of cytosol, organelles, and various particles.
2. It is involved in cellular processes such as glycolysis, protein synthesis, and cell division.
3. The cytoplasmic matrix is primarily composed of water, salts, and proteins.
4. Cytoplasmic streaming helps distribute nutrients and move organelles within the cell.
5. In eukaryotic cells, the cytoplasm excludes the nucleus but includes other organelles like mitochondria and endoplasmic reticulum.

Review Questions

• What are the main components of the cytoplasm?
• How does cytoplasmic streaming benefit a cell?
• In eukaryotic cells, what does the cytoplasm exclude?

Related terms

Organelle: Specialized structures within a cell that perform specific functions.

Cytosol: The fluid portion of the cytoplasm where metabolic reactions occur.

Cell Membrane: The biological membrane that separates the interior of all cells from the outside environment.