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Cells
Key vocabulary relating to the parts of cells
14
Science
5th Grade
08/11/2014

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Term
uni-cellular
Definition
one celled organism
Term
Multi-cellular
Definition
Many cells. Organisms that are made up of more than one cell.
Term
consumers
Definition
Are organisms that consume (eat) other organisms to obtain (get) energy to live.
Term
organelles
Definition
Are basic structures that make up the cell. Think of the organs in your body. Organelles are the different parts of the cells that help carry out different functions that allows the cell to live.
Term
cells
Definition
the smallest unit of living things that can carry out the basic processes of life.
Term
Cell membrane
Definition
is a layer that wraps around the outside of the cell. It wraps around the cell similarly to the way your skin wraps around you! Function: The cell membrane works like a screendoor! It allows good substances to enter the cell while keeping the bad substances out.
Term
cytoplasm
Definition
Is the gel-like liquid in the cell. Think of jello! Function: Cytoplasm occupies the space between the nucleus and the cell membrane. In addition. It takes up the spaces between the organelles of the cell.
Term
Nucleus
Definition
Nucleus-is the cell’s control center. It is the largest organelle usually found in the center of the cell. Function: The nucleus is the brain of the cell. It controls all of the functions of the cell.
Term
cytoplasm
Definition
Is a water sac found in BOTH plants and animal cells. The vacuole stores food, water, and waste for the cell. Animal cells have many smaller vacuoles while the plant cell has ONE LARGE vacuole sometimes larger than the nucleus.
Term
Cell wall
Definition
Found ONLY in plant cells! It is a stiff structure outside of the cell membrane in plant cells. Functions: It provides the plant cell with strength and extra support. It helps protect the plant cell.
Term
Producers
Definition
Are organisms that make their own food. Plants are producers.
Term
Chloroplast-
Definition
is a green structure found ONLY in plant cells. Chloroplast are green because they contain chlorophyll.
Term
Chlorophyll
Definition
Found inside the Chloroplast. Chlorophyll helps plants make their own food using sunlight. The process in plants making their own food is called photosynthesis.
Term
Photosynthesis
Definition
the process in which plants make their own food using sunlight. The sunlight contacts the green chlorophyll which begins making sugar (food) for the plant.
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