chapter 2 cells vocab

stuff

Photosynthesis

Process by which most plants, some protists, and many types of bacteria make their own food.

Cell membrane

Protective outer covering of all cells that regulates the interaction between the cell and the environment.

Cytoplasm

constantly moving gel-like mixture inside the cell membrane that contains heredity material and the is the location most of the life processes

Organelle

structures in the cytoplasm of a eukaryotic cell that can act as a storage site, process energy, move material, or manufacture substances.

Nucleus

organelle that controls all the activities of a cell and contains hereditary material made of proteins and DNA;

Chloroplast

green, chlorophyll-containing, plant-cell organelle that uses light energy to produce sugar from carbon dioxide and water.

Mitochochondrian

cell organelle that breaks down food

and releases energy.

Ribosome

small cytoplasmic structure on which cells

make their own proteins.

Endoplasmic

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).

Golgi body

organelles that package cellular materials and transport them within the cell or out of the cell.

Tissue

group of similar cells that work together to do '

one job.

Organ

structure, such as the heart, made up of differ-

ent types of tissues that all work together.

Magnify

to increase the size of something

Cell theory

states that all organisms are made up of one or more cells, the cell is the basic unit of life, and all cells come from other cells.

Disease

A condition that results from the disruption in function of one or more of an organism’s normal processes.

Virus

a strand of hereditary material surrounded by a protein coating.protein coating.

Host cell

living cell in which a virus can actively mul­tiply or in which a virus can hide until activated by environmental stimuli.