Cells!
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30 Terms
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cell membrane
The semi-permeable membrane around the cell. Controls what enters and leaves the cell.
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Cell wall
A rigid structure that surrounds the cell membrane and provides support to the plant cell.
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Vacuole
A cell organelle that stores materials such as water, salts, proteins, and carbohydrates.
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Cytoplasm
A jellylike fluid inside the cell in which the organelles are suspended.
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ribosome
Makes proteins
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Endoplasmic Reticulum (ER)
The transportation system of the cell. It moves materials around the cell
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Lysosome
A small, round cell structure containing chemicals that break down large food particles into smaller ones.
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Nucleus
Control center of the cell
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Mitochondria
Powerhouse of the cell
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Chloroplast
An organelle found in plant and algae cells where photosynthesis occurs.
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Multicellular
Made up of more than one cell.
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Unicellular
Made of a single cell
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Bacterium are both...
Unicellular and prokaryotic
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Prokaryote
1. unicellular organism that lacks a nucleus (Bacteria)
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Eukaryote
a cell with a defined nucleus
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Cell Theory
1. All living organisms are composed of one or more cells.
2. The cell is the basic unit of structure and organization in organisms.
3. Cells arise from pre-existing cells.
2. The cell is the basic unit of structure and organization in organisms.
3. Cells arise from pre-existing cells.
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Heterotroph
An organism that obtains energy from the foods it consumes; is also called a consumer.
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Autotroph
An organism that makes its own food
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What makes cells more efficient at getting things in and out.
Large surface area to allow for diffusion
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Difference between plant and animal cells
Plant cells have larger vacuoles, a cell wall, and chloroplasts
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Diffusion
Movement of molecules into and out of a cell
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Energy
Required by a cell to carry out cell processes. Glucose is energy type used by animal cells.
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Chloroplast
An organelle found in plant cells where photosynthesis occurs
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Chlorophyll
Pigment found in plant cells used for photosynthesis.
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Characteristics of Life
CRAPSHED (cells, reproduction, adaptation, stimuli, homeostasis, energy, development
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SA:V ratio
the surface area to the volume ratio gets smaller as the cell gets larger
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Golgi body
A structure in a cell that receives proteins and other newly formed materials from the endoplasmic reticulum, packages them, and distributes them to other parts of the cell.
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Organelle
A tiny cell structure that carries out a specific function within the cell
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plant cell
contains a cell wall, chloroplast and large vacuole- autotroph
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animal cell
does not have a cell wall or chloroplast and a small vacuole
