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| group of cells working together |
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| What are the levels of organization? |
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Definition
| cells, tissues, organs, organ systems, and organisms |
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Term
| What are the three types of microscopes? |
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Definition
| Compound Light Microscope, Scanning Electron Microscope, and the Transmission Electron Microscope |
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Term
| What kind of microscope uses a beam of light and a series of lenses to magnify objects? (low magnification) |
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Definition
| Compound Light Microscope |
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| What kind of microscope has a three dimensional image of the surface of the object? |
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Definition
| Scanning Electron Microscope |
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| What kind of microscope allows scientists to study structures within a cell? |
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Definition
| Transmission Electron Microscope |
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Term
| Who was the first to use the word cell? (looked at cork) |
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Definition
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| Who was the first to observe living cells? (compound light microscope) |
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| Who discovered that all plants were made of cells? |
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| Who discovered that all animals are made of cells? |
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Definition
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| Who discovered that some cells come from other cells? |
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Definition
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| What is the first part of the cell theory? |
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Definition
| All organisms are composed of one or more cells |
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Term
| What is the second part of the cell theory? |
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Definition
| The cell is the basic unit of structure and function or organisms. |
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| What is the third part of the cell theory? |
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Definition
| All cells come from pre-existing cells. |
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| What are the two types of organisms? |
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Definition
| unicellular and multicellular |
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Definition
| one-celled organism (Ex: Amoeba, paramecium, and euglena) |
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Definition
| Organism composed on many cells (Ex: plants and animals) |
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| What are the two basic cell types? |
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Definition
| prokaryotic and eukaryotic |
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Term
| What are prokaryotic cells? |
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Definition
| cells that lack membrane-bound organelles ("poor and primitive," Ex: bacteria) |
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Term
| What are eukaryotic cells? |
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Definition
| cells containing membrane-bound organelles (Ex: "me" and "you") |
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Term
What do these characteristics describe?
-no nucleus
-DNA and ribosomes found in the cytoplasm
-Have a cell wall
-Ex: Bacteria |
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Definition
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Term
What do these characteristics describe?
-Have a nucleus
-DNA is in the nucleus
-Found in fungi, protists, plants, and animals |
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| What is a small specialized structures found in all cells? |
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| What is another name for the cell membrane? |
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Definition
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What do these characteristics describe?
-Flexible boundary
-It's a selectively permeable, phospholid bilayer
-Surrounds all cells
-In animal cells, it's the outer boundary (mad of cholesterol) |
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Definition
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Term
| What are the characteristics of the cell wall? |
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Definition
-Inflexible barrier that protects the cell
-Made of cellulose
-Only found surrounding plant, fungal, and bacterial cells
-Provides support and protection for the cell |
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Term
| What is a watery, jelly-like material that contains the organelles, is located beneath the cell membrane, and supports and protects cell organelles? |
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Definition
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| What is the control center of the cell ("brain of the cell"), contains DNA, and is centrally located in the cell? |
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Definition
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| What are the characteristics of ribosomes? |
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Definition
-site of protein production
-can be floating freely in the cytoplasm or attached to the endoplasmic reticulum |
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| What is the transport system for RNA and proteins and is a series of highly folded membranes? |
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Definition
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Term
| What is another name for the Golgi apparatus? |
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Definition
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| What is used for synthesis, packing and distribution of material, is known as the "cell's post office," and looks like a flattened stack of membranes (or pancakes!)? |
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Definition
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What do these characteristics describe?
-Sac used to store food, water, waste, enzymes, and other materials
-known as the "cell's storage tank"
-is very few and very large in plant cells (stores water)
-in animal cells has many small ones? |
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Definition
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Term
| What contains digestive enzymes, digests worn out organelles, food particles, viruses and bacteria, breaks down larger food molecules into smaller ones, and is known as the "cell's stomach"? |
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Definition
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Term
| What are the characteristics of chloroplast? |
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Definition
-captures light energy and converts it to chemical energy
-found in plant cells
-site of photosynthesis
-contains chlorophyll |
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Term
| What is a rod-shaped double membranous structure where cellular respiration takes place, breaks down glucose into usable energy, and is known as the "power-house" of the cell? |
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Definition
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Term
| What is the framework for the cell and is a network of tiny rods and filaments? |
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Definition
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| What are tiny hair-like projections? |
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Definition
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| What are long whip-like tails? |
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Definition
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What kind of cell do these characteristics describe?
-cell wall
-chloroplast filled with chlorophyll
-large vacuole (stores water)
-regular shape |
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Definition
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Term
What kind of cell do these characteristics describe?
-cell membrane
-no cell wall
-lysosomes
-centrioles
-irregular shape |
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