Understanding Chemical Bonds and Atomic Interactions Study Guide
This guide provides a comprehensive overview of chemical bonds and atomic interactions, including the octet rule, ionic bonds, covalent bonds (polar and nonpolar), hydrogen bonds, and van der Waals forces. It explains how these concepts are fundamental to the formation of biological macromolecules and the processes of life. The content is suitable for introductory biology and chemistry learners.
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The Building Blocks of Molecules
Chemistry of Life and Atomic Structure
The elements carbon, hydrogen, nitrogen, oxygen, sulfur, and phosphorus serve as building blocks for biological macromolecules and atoms composed of protons, neutrons, and electrons.
- biological macromolecules
- matter
- elements
- atoms
- protons
- electrons
- atomic number
- mass number
- periodic table of elements
- isotopes
- radioactive isotopes
Introduction to the Chemistry of Life and Atomic Structure
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Chemical Bonds and Atomic Interactions
Elements interact through chemical bonds such as ionic, covalent, hydrogen bonds, and van der Waals interactions to achieve stability by filling electron shells.
- Chemical bonds
- Electron shells
- Octet rule
- Cations
- Electron transfer
- Ionic bonds
- Covalent bonds
- Polar covalent bonds
- Nonpolar covalent bonds
- Hydrogen bonds
Chemical Bonds and Atomic Interactions in Biology
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Properties of Water and pH
Properties of Water and pH
Water is essential to life due to its polarity, ability to stabilize temperature, solvent capabilities, cohesion, and adhesion, while pH and buffers maintain chemical balance.
- polar covalent bonds
- hydrogen bonds
- hydrophilic
- hydrophobic
- temperature stabilization
- evaporation
- density of ice
- spheres of hydration
- cohesion
- surface tension
- adhesion
- pH scale
- acids
- bases
- buffers
- carbonic acid
- bicarbonate
Major Biological Macromolecules and Their Functions
Chemistry of Biological Macromolecules
Biological macromolecules including carbohydrates, lipids, proteins, and nucleic acids are organic molecules built from smaller organic molecules that contain carbon.
- biological macromolecules
- carbon bonding
- covalent bonds
- carbohydrates
- monosaccharides
- disaccharides
- polysaccharides
- glucose
- dehydration reaction
- isomers
- starch
- glycogen
- cellulose
Chemistry of Lipids and Carbohydrates
Carbohydrates and lipids serve different functions including energy storage, structural support, and insulation through differences in molecular structure.
- carbohydrates
- monosaccharides
- polysaccharide carbohydrates
- lipids
- hydrophobic molecules
- triglycerides
- glycerol
- fatty acids
- saturated fatty acids
- unsaturated fatty acids
- monounsaturated fat
- polyunsaturated fat
- trans-fats
- hydrogenation
- essential fatty acids
- omega-3 fatty acids
Structure and Function of Lipids and Proteins
Lipids include phospholipids, steroids, and waxes, while proteins are polymers of amino acids that serve diverse structural, regulatory, and catalytic functions.
- phospholipids
- hydrophobic and hydrophilic regions
- steroids
- cholesterol
- waxes
- proteins
- amino acids
- enzymes
- hormones
- denaturation
- primary structure
- secondary structure
- tertiary structure
- quaternary structure
- polypeptides
Chemistry of Life and Biological Molecules
Matter is made up of atoms and elements that combine to create compounds, macromolecules, and biological molecules like carbohydrates, lipids, proteins, and nucleic acids.
- atoms
- elements
- protons
- electrons
- ionic bonds
- covalent bonds
- hydrogen bonds
- water properties
- pH scale
- buffers
- carbohydrates
- monosaccharides
- disaccharides
- polysaccharides
- lipids
- triglycerides
- phospholipids
- steroids
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