Term
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Definition
| the smallest unit that can perform all the processes necessary for life |
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Term
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Definition
| the first person to describe cells while looking at thin slices of cork |
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Term
| Who was ANTON VAN LEEUWENHOEK |
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Definition
| a person who made his own microscopes and saw protist, bacteria, blood cells, and yeast |
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Term
| Who was MATTHIAS SCHLEIDEN |
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Definition
| the scientist who concluded that all plant parts are made of cells |
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Term
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Definition
| the scientist who concluded that all animal tissues are made of cells |
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Term
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Definition
| the scientist who stated that all cells could form only from other existing cells |
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Term
| What are the 3 parts of the cell theory |
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Definition
1 - all organisms are made of 1 or more cells
2 - the cell is the basic unit of all living things
3 - all cells come from existing cells |
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Term
| Why must cells stay small |
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Definition
| cells are limited by their surface area-to-volume ratio |
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Term
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Definition
| a protective layer that covers the cell's surface and acts as a barrier, it also controls what enters and leaves the cell |
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Term
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Definition
| a gel-like substance inside the cell |
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Term
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Definition
| structures inside a cell that perform specific fuctions for the cell |
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Term
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Definition
| a membrane-covered organelle that contains the cell's DNA and controls what happens inside the cell |
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Term
| What are the 2 basic types of cells |
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Definition
prokaryotic - cells that have no nucleus
eukaryotic - cells that have a nucleus |
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Term
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Definition
| single-celled organisms that do not have a nucleus |
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Term
| What are some examples of prokaryotes |
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Definition
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Term
| How are bacteria and archaea different |
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Definition
| archaea and bacteria have different types of ribosomes and cell walls |
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Term
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Definition
organisms that have cells that contain a nucleus
examples of some single celled eukaryotes are yeast and amebas |
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Term
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Definition
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Term
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Definition
| a rigid structure that surrounds a cell to give it support |
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Term
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Definition
| a web of protiens in the cytoplasm that keeps the cell membrane from collapsing and can help with movement |
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Term
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Definition
| organelles that make protiens |
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Term
| What is the ENDOPLASMIC RETICULUM |
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Definition
| a system of membranes in a cell's cytoplasm that transports proteins and produces lipids |
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Term
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Definition
| an organelle that breaks down sugar to release energy |
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Term
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Definition
| organelles in plant cells where photosynthesis happens |
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Term
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Definition
| the process where plants and algae use sunlight, carbon dioxide, and water to make oxygen and sugar |
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Term
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Definition
| a green pigment that is found inside choloplasts that traps the energy from sunlight |
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Term
| What is the GOLGI COMPLEX |
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Definition
| an organelle that helps make and package materials that will be moved out of the cell |
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Term
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Definition
| a small sac that surrounds materials to be moves into |
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Term
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Definition
| an organelle that contains digestive enzymes that destroy worn out or damaged organelles, gets rid of wastes, and protects the cell from foreign materials (these are mainly found in animal cells) |
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Term
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Definition
| an organelle that stores materials in a cell |
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Term
| What are the 3 benefits of being multicellular |
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Definition
1 - larger size
2 - longer life
3 - more specialization |
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Term
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Definition
| a group of cells that work together to do a specific job |
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Term
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Definition
| a collection of tissues that carry out a specialized function |
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Term
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Definition
| a group of organs working together to do a specific job |
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Term
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Definition
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Term
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Definition
| organism make of just one (1) cell |
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Term
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Definition
| the arrangement of parts in an organism |
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Term
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Definition
| the job a specific part does |
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