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Cells-The Units of Life
Smallest organisms on Earth Made up of only one cell Sentence: Bacteria are 1 celled organisms.
Flexible structure that holds a cell together Boundary between cell & its environment Helps control what enters & exits the cell “gate keeper” of cell
Sentence: A cell’s membrane is its “gatekeeper”
Found in structure of plants, algae, fungi, & many bacteria types Supports & protects cell membrane Sentence: Plants have a rigid cell wall.
Gelatin like substance inside cell membrane Contains water, chemicals, and cell parts (organelles) Where cell’s activities take place
Specialized cell parts that move around in a cell Perform jobs necessary for cell to live
Cell organelle that contains hereditary material (DNA in chromosomes) Directs most of cell’s activities “cell boss”
Balloon like cell organelle Can store food, water, & other substances “cell closet”
Provides usable energy for the cell Where process of cellular respiration takes place “cell powerhouse”
Process plants, algae, and many bacteria use to make food
Green organelle in a plant’s leaf Where photosynthesis occurs “cell kitchen”
Groups of similar cells that all do the same work
Structure made of 2 or more types of different tissue Work together to do a certain job
Group of organs that work together to perform a certain job
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Living Systems Bacteria and Protists Dr. Marjorie Anne Wallace, Elementary Science Resource Teacher.
1 -nucleus -cytoplasm -nucleolus-cell membrane Vacuole -chloroplast -mitochondria -ribosomes -endoplasmic reticulum(ER)
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