Science 8th Grade Biology Test

17 terms by PegeenW 

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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.

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