Chapter 2 Vocabulary Flashcards
Protective outer cover of all cells that regulates the interaction between the cell and the environment.
cell membrane
States that all organisms are made up of one or more cells, the cell is the basic unit of lire, and all cells come from other cells.
cell theory
Rigid structure that encloses, supports, and protects the cells of plants, algae, and most bacteria.
cell wall
Green, chlorophyll-containing, plant-cell organelle that uses light energy to produce sugar from carbon dioxide and water,
chloroplast
Constantly moving gel-like mixture inside the cell membrane that contains heredity material and is the location of most of a cell’s life processes.
cytoplasm
Cytoplasmic organelle that moves materials around in a cell and is made up of a complex series of folded membranes; can be rough (with attached ribosomes) or smooth (without attached ribosomes).
endoplasmic reticulum
Organelles that package cellular materials and transport them within the cell or out of the cell.
Golgi body
Living cell in which a virus can actively multiply or in which a virus can hide until activated by environmental stimuli.
host cell
Cell organelle that breaks down food and releases energy.
mitochondrion
Organelle that controls all the activities of a cell and contains hereditary material made of proteins and DNA.
nucleus
Structure, such as the heart, made up of different types of tissues that all work together.
organ
Structure in the cytoplasm of a eukaryotic cell that can act as a storage site, process energy, move materials, or manufacture substances.
organelle
Small cytoplasmic structure on which cells make their own proteins.
ribosome
Group of similar cells that work together to do one job.
tissue
A strand of hereditary material surrounded by a protein coating.
virus
