tour of cell 1 vocab

Chromosome

A DNA Molecule-Circular or linear, Depending on the species- usually associated with specific proteins that bind to the DNA

Ribosome

A molecular machine, consisting of RNA and proteins that is a site of protein synthesis.

Organelle

Any membrane- bound compartment inside a cell

Cytoskeleton

Rod-like protein, inside cells that function and structural support, transport of materials, and movement in some species

Cell wall

A stiff structure outside the cell membrane composed of carbohydrates and other molecules

Flagellum

A long, flexible structure that extends from the cell and whips or rotates to propel the cell through water

Nucleus

An organelle unique to eukaryotes Enclosed by double membrane and containing the cells chromosomes

Mitochondrion

An organelle found in all eukaryotes that functions in “burning” sugars to provide energy for the cell

Eukaryote

A lineage of species with cells that contain a nucleus and mitochondria

Prokaryote

A species in the lineages archaea and bacteria, with cells that lack a nucleus