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Hannah's stack
Apologia Biology Module 5
| Question | Answer |
|---|---|
| What is Matter? | Anything that has mass and takes up space. |
| What is a Model? | An explanation or representation of something that cannot be seen. |
| What is an Element? | A collection of atoms that all have the same number of protons. |
| What are Molecules? | Chemicals that result from atoms linking together. |
| What is a Physical Change? | A change that affects the appearance but not the chemical makeup of a substance. |
| What is a Chemical Change? | A change that alters the makeup of the elements or molecules of a substance. |
| What is a Phase? | One of three forms -- solid, liquid, or gas -- which every substance is capable of attaining. |
| What is Diffusion? | The random motion of molecules from an area of high concentration to an area of low concentration. |
| What is Concentration? | A measurement of how much solute exists within a certain volume of solvent. |
| What is a Semipermeable Membrane? | A membrane that allows some molecules to pass through but does not allow other molecules to pass through. |
| What is Osmosis? | The tendency of a solvent to travel across a semipermeable membrane into areas of higher solute concentration. |
| What is a Catalyst? | A substance that alters the speed of a chemical reaction but is not used up in the process. |
| What are Organic Molecules? | A molecule that contains only carbon and any of the following: hydrogen, oxygen, nitrogen, sulfur, and/or phosphorous. |
| What is Biosynthesis? | The process by which living organisms produce larger molecules from smaller ones. |
| What are Isomers? | Two different molecules that have the same chemical formula. |
| What are Monosaccharides? | Simple carbohydrates that contain 3 to 10 carbon atoms. |
| What are Disaccharides? | Carbohydrates that are made up of two monosaccharides. |
| What are Polysaccharides? | Carbohydrates that are made up of more than two monosaccharides. |
| What is a Dehydration Reaction? | A chemical reaction in which molecules combine by removing water. |
| What is Hydrolysis? | Breaking down complex molecules by the chemical addition of water. |
| What does Hydrophobic mean? | Lacking any affinity to water. |
| What is Saturated fat? | A lipid made from fatty acids that have no double bonds between carbon atoms. |
| What is Unsaturated fat? | A lipid made from fatty acids that have at least one double bond between carbon atoms. |
| What is a Peptide bond? | A bond that links amino acids together in a protein. |
| What is a Hydrogen Bond? | A strong attraction between hydrogen atoms and certain other atoms (usually oxygen or nitrogen) in specific molecules. |
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HLup2nogood
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