Cell Organelles & Their Functions
Terms in this set (18)
a flexible covering that protects the inside of a cell from the environment outside a cell
a stiff structure outside the cell membrane. It protects a cell from attack by viruses and other harmful organisms. It can also help maintain the cell's shape and gives structural support.
a fluid inside a cell that contains salts and other molecules
the part of a eukaryotic cell that directs cell activities and contains genetic information stored in DNA
a network of threadlike proteins that are joined together. The proteins form a framework inside the cell. This framework gives a cell its shape and helps it move.
surrounded by membranes and have specialized functions
membrane-bound organelles that use light energy and make food- a sugar called glucose- from water and carbon dioxide in a process known as photosynthesis. The sugar contains stored chemical energy that can be released when a cell needs it.
They provide a cell with usable energy. It is also surrounded by 2 membranes. Energy is released during chemical reactions that occur in this.
Rough Endoplasmic Reticulum (RER)
It is made of many folded membranes and is the site of protein production. It also has ribosomes on its surface.
Smooth Endoplasmic Reticulum (SER)
It makes lipids such as cholesterol and does not have ribosomes on its surface. It is made of many folded membranes and is important because it helps remove harmful substances from a cell.
It is made by the nucleolus. It also involved in the production of proteins. They move in and out of the nuclear pores.
It is inside of the nucleus and makes ribosomes
Golgi Apparatus (Body)
It prepares proteins for their specific jobs and packages the proteins into tiny, membrane-bound ball-like structures called vesicles
They are there to help the cell when it comes time to divide.
Found in plant cells, it stores water and other substances. It may also store waste material.
It breaks down and recycles cellular components
They are organelles that transport substances from one area from one area of a cell to another area of a cell.
Certain molecules, such as ribosomes and RNA, move into and out of these.