Cells, Tissues, Organs, Organ Systems, Organisms

Created by Boulbie 

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bacteria

smallest organisms on earth, each of which is made up of only one cell

cell membrane

flexible structure that holds a cell together, forms a boundary between the cell and its enviornment, and helps control what enters and leaves the cell

cell wall

structure of plants, algae, fungi, and many types of bacteria that supports and protects the cell membrane

cytoplasm

gelatin like substance inside the cell membrane that contians water, chemicals, and cell parts

organelle

specialized cell parts that perform a cell's activities

nucleus

the control center of the cell that contains the genes

vacuole

balloonlike cell organelle in the cytoplasm that can store food, water, and other substances

mitochondria

cell organelles where cellular respiration takes place

photosynthesis

process by which plants, algae, and many types of bacteria use sunlight, water, and carbon dioxide to make food and oxygen

chloroplast

green organelle in a plant's leaf cells where most photosynthesis takes place

tissue

group of similar cells that all do the same work

organ

structure made of two or more different tissue types that work together to do a certain job

organ system

group of organs that work together to peform a certain task

Cells

basic units of all living things

Chromosomes

are in the nucleus; contains DNA

Deoxyribonucleic Acid (DNA)

the chemical conatined in chromosomes that determines which traits an organism will have

Diffusion

the movement of material from an area where molecules are crowded to an area where they are less crowded

Endoplasmic Reticulum (ER)

a system of tubes that processes and moves proteins within the cells

Golgi Bodies

package and distribute proteins outside the cell

Lysosome

a tiny organelle that breaks down wastes

Mitosis

the process of cell division that results in two cells identical to the parent cell

Ribosome

a small, round structure that makes proteins for a cell

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