Questions and Answers
What does it mean for a compound to be organic?
Contains carbon
Water is __________ because the electrons are not evenly shared.
polar
Name two properties of water:
Adhesion and Cohesion
What is a monomer?
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What is a polymer?
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What is the ratio of the elements C:H:O in a carbohydrate?
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Carbohydrates are the main __________ source for a cell.
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What are the two monomers of lipids?
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Lipids make up a majority of the cell __________.
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Nucleic acid has what elements?
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Nucleic acid stores our __________.
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What are the compounds that enter into a chemical reaction?
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Enzymes work as biological __________ that speed up the chemical reactions.
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How do enzymes speed up the chemical reactions?
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What environmental conditions affect enzyme activity?
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Water is a __________ molecule, which lends it to many important properties.
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Match the following types of compounds with their classifications:
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What is a carbohydrate?
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Biological catalysts speed up reactions by...
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Study Notes
Organic Compounds
- Organic compounds contain carbon, defining their chemical nature.
Water Properties
- Water is polar, due to uneven distribution of electrons.
- Properties of water include:
- Adhesion: water molecules stick to other substances.
- Cohesion: water molecules stick to each other.
Molecular Structures
- A monomer is a molecule that can bond with other molecules to form a polymer.
- A polymer is made up of many similar or identical monomers linked together.
Carbohydrates
- Carbohydrates have a carbon, hydrogen, and oxygen ratio of 1:2:1.
- They serve as the main energy source for cells.
Lipids
- Lipids consist of two monomers: 3 fatty acids and glycerol.
- They primarily make up the cell membrane.
Nucleic Acids
- Nucleic acids contain the elements carbon (C), hydrogen (H), nitrogen (N), oxygen (O), and phosphorus (P).
- They store genetic material within a cell.
Chemical Reactions
- Reactants are the compounds that enter into a chemical reaction.
- Enzymes act as biological catalysts that accelerate chemical reactions.
Enzyme Activity
- Enzymes increase the rate of chemical reactions by lowering the activation energy.
- Environmental factors affecting enzyme activity include temperature and pH.
Additional Compound Classification
- Compounds like H₂O and CO₂ are classified as inorganic, while C₆H₁₂O₆ is classified as organic.
Carbohydrate Definition
- Carbohydrates are macromolecules made up of carbon, hydrogen, and oxygen, characterized by a polymer structure of hexagonal rings with a 1:2:1 elemental ratio.
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Description
Test your knowledge of organic compounds, their structures, and properties in this biology quiz. Explore topics including carbohydrates, lipids, and nucleic acids to solidify your understanding of how these compounds function in living organisms.