Science Vocab Chp 3 Flashcards
Cell membrane
A phospholipid layer that covers a cells surface.
Nucleus
A membrane bound organelle that contains the cells DNA.
Prokaryotes
An organism that consists of a single cell that doesn’t have a nucleus.
Eukaryote
An organism made up of cells that have a nucleus enclosed by a membrane.
Cell wall
A rigid structure that surrounds the cell membrane and provides support to the cell.
Ribosome
Cell organelle composed of RNA and protein.
Endoplasmic reticulum
A system of membranes that is found in a cells cytoplasm.
Mitochondrion
The cell organelle that is surrounded by two membranes.
Golgi
Cell organelle that helps make and package materials to be transported out of the cell.
Vesicle
A small cavity or sac that contains materials in eukaryotic cell
Lysosomes
A cell organelle that conducts digestive enzymes.
Tissue
A group of similar cells that perform a common function.
Organ
A collection of tissues that carry out a specialized function of the body.
Organ system
A group of organs that work together to perform body functions
Organism
A living thing
