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17 terms

Science 8th Grade Biology Test

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Cell Membrane
Controls what enters and leaves the cell.
Cell Wall
Rigid layer of non-living material that protects and supports the cell.
Cytoplasm
Region between cell membrane and the nucleus. "Filling" of the cell.
Nucleus
Stores the cell's DNA and directs all of the cell's activities.
Chloroplast
Transforms energy.
Mitochrondria
Produces most of the energy that the cell needs to carry out it's functions.
Ribosome
Produces proteins and releases them.
Endoplasmic Reticulum (ER)
Passageways that carry proteins from one part of the cell to another.
Golgi Body
Receives proteins, packages them, and distributes them to other parts of the cell.
Lysosome
Breaks down large food particles into smaller ones.
Vacuole
Storage area of the cell.
Photosynthesis
The process in which plants and some other organisms capture energy in sunlight and use it to make food.
Respiration
The process by which cells break down simple food molecules to release the energy they contain.
Cilia
Tiny hair-like structures that move an organelle around.
Flagella
A longer hair-like structure that moves organelle. Usually only one or two per organelle.
Pseudopod
Something that captures the organelle's food and can also make the organelle move. (Means "fake foot")
Tissue
Layer of cells. The cells all have similar jobs.