Term
| What are the four characteristics of life? |
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Definition
All living things are organized.
All living things reproduce.
All living things grow and develop.
All living things adjust to their environment. |
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Term
| What are the five themes of biology? |
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Definition
Energy: The ability to "do work".
Systems and Interactions:all organisms are interacting systems and all interact with each other.
Unity within diversity: at BASIC level, all organisms are the same.
Homeostasis: Internal Balance
Evolution: change over time |
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Term
| What are the steps of the scientific method? |
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Definition
1. Observe
2. Hypothesis
3. Experiment
4. Conclude
5. Repeat/Form a Theory |
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Definition
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Definition
| depends on the experiment |
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| Quantitative Data vs. Qualitative Data |
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Definition
| Numbers vs. Descriptions. |
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Term
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Definition
| Small, simple molecule used to build larger more complex molecules |
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Term
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Definition
| complex molecule consisting of repeating linked units |
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Definition
| Complex molecule consisting of repeating linked units |
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Definition
| Large polymer or largemolecule |
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Term
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Definition
| the breaking apart of large molecules where water is added. |
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Term
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Definition
| connecting two or more molecules by removing water |
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Term
| How do you know if something is organic? |
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Definition
| It has carbon in it or it came from something living. |
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Term
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Definition
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Term
| What are the 3 types of Carbs? |
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Definition
1. Monsaccharides: Simple sugars.
2. Dissaccharides: 2 simple sugars connected.
3. Polysaccharides: many mono's put together by dehydration synthesis. (100's or 1000's) |
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Term
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Definition
| The building blocks of all organisms. |
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Term
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Definition
| the monomer unit of proteins. |
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Term
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Definition
| a special type of protein that speeds up chemical reactions and are specific to certain reactions. (usually end in the litters '-ase' |
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Term
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Definition
| are fatty organic molecules that contain a large portion of carbon and hydrogen bonds, with very little oxygen. |
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Term
| Lipids are ____ in water. |
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Definition
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Term
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Definition
Solid at room temperature and found in animals.
(example: lard) |
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Term
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Definition
| Liquid at room temperature and found in plants. (example: corn oil and olive oil) |
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Term
| How many types of Nucleic Acids are there and what are they? |
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Definition
| There are two types: DNA (deoxyriobonucleic acid-genetic code, heredity) and RNA (ribonucleic acid, helps make protein) |
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Term
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Definition
All organisms are made up of one or more cells.
The cell is the basic unit of organization of all organisms.
All cells come from preexisting cells. |
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Term
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Definition
| the smallest unit of life. |
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Term
| What are the two types of cells? |
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Definition
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Term
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Definition
have no true nucleus, DNA floats in the cell.
It lacks internal structures surround by membranes.
(unicellular: examples- bacteria or algae) |
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Term
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Definition
have several internal membrane bound structures (organelles).
They have a large membrane bound nucleus which contains DNA and manages cell functions. |
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Term
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Definition
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Term
| What are the functions of the plasma membrane? |
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Definition
They provide a boundary between cell and environment.
They regulate materials enetering/ leaving cell.
They maintain homeostasis via selective permeability. |
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Term
| A plasma membrane is made of- |
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Definition
| two layers of Phospholipids. (lipids with a phosphate group attached) |
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Definition
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Definition
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Definition
| helps keep tails from sticking, hardens the membrane, and makes it less permeable and more stable. |
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Definition
| allow larger substances to move through. |
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Definition
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Definition
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Definition
| movement of molecules from an area of high concentration to an area of low concentration. |
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Term
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Definition
| diffusion of water across a selectively permeable membrane. |
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Term
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Definition
| special type of diffusion in which particles to large to fit through membrane spaces are "carried" inside by proteins. |
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Term
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Definition
| special membrane proteins pump ions into or out of cell against a concentration gradient. (from low to high concentration). |
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Definition
| large substances taken into the cell as vesicles. |
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Definition
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Definition
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Definition
| cell expels vesicle of waste or other products. |
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