Cells Flashcards
Cell
In biology, the smallest unit that can perform all life processes; cells are covered by a membrane and contain DNA and cytoplasm
Nucleus
In a eukaryotic cell, a membrane-bound organelle that contains the cell’s DNA and that has a role in process such as growth, metabolism, and reproduction
Cytoplasm
A fluid inside the cell and almost all of its contents
Cell Membrane
A phospholipid layer that covers a cell’s surface and acts as a barrier between the inside of a cell and the cell’s environment
Cell Wall
A rigid structure that surrounds the cell membrane and provides support to the cell
Mitochondria
In eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the cite of cellular respiration
Chloroplast
Organelles in plant cells in which photosynthesis takes place
Golgi Complex
Cell organelle that helps make and package materials to be transported out of the cell
Endoplasmic Reticulum
A system of membranes that is found in a cells cytoplasm and that assists in the production, processing, and transport of proteins and in the product of lipids
Ribosome
A cell organelle composed of RNA and protein; the site of protein synthesis
Lysosome
A cell organelle that contains digestive enzymes
Vacuole
A space or vesicle within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid
Organelle
One of the small bodies in in a cell’s cytoplasm that are specialized to perform a specific function
Prokaryote
An organism that consists of a single cell that does not have a nucleus
Eukaryote
An organism made up of cells that have a nucleus enclosed by a membrane; eukaryotes include animal, plants, and fungi but not archae-bacteria or eubacteria
