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Biology 121 Exam 1 Review: Foundations of Life, Chemistry, and Biological Molecules

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Characteristics of Life

  • Characteristics of Life
    09:26
  • Characteristics of Life Example 1
    02:59

Scientific Method

  • Scientific Method Example 1
    01:35
  • Basic Theories of Biology
    03:03
  • Scientific Method
    06:29

Atoms- Smallest Unit of Matter

  • Atoms- Smallest Unit of Matter Example 1
    02:13
  • Atoms- Smallest Unit of Matter Example 3
    03:51
  • Electron Orbitals & Energy Shells
    09:44

Isotopes

  • Isotopes
    06:50
  • Radioactive Isotopes
    02:37

Introduction to Chemical Bonding

  • Introduction to Chemical Bonding Example 1
    1:59
  • Intramolecular vs. Intermolecular Bonds
    03:53
  • Map of the Lesson on Chemical Bonding
    02:42

Ionic Bonding

  • Ions: Anions vs. Cations
    04:34
  • Ionic Bonds
    06:07

Covalent Bonds

  • Covalent Bonds
    04:28
  • Polar Covalent Bonds
    06:59
  • Nonpolar Covalent Bonds
    06:41

Hydrogen Bonding

  • Hydrogen Bonding
    05:03

Introduction to Water

  • Introduction to Water
    01:54
  • Introduction to Water Example 1
    01:51
  • Emergent Properties of Water
    01:29

Acids and Bases

  • Acids
    02:45
  • Acids and Bases
    01:29
  • Bases
    03:48

pH Scale

  • Buffers
    05:38
  • pH Scale
    11:05

Carbon

  • Carbon is an Excellent Building Block
    03:35
  • Carbon
    04:19

Functional Groups

  • Functional Groups Example 1
    02:00
  • Functional Groups
    06:04

Introduction to Biomolecules

  • Introduction to Biomolecules
    01:17
  • Map of the Lesson on Biomolecules
    01:29

Monomers & Polymers

  • Building & Breaking-Down Polymers
    04:19
  • Monomers & Polymers
    03:42

Carbohydrates

  • Formation & Breakdown of Polysaccharides
    03:08
  • Carbohydrates
    04:53
  • Carbohydrate Functions
    05:08

Proteins

  • Protein Structure
    08:02
  • Amino Acids
    04:37
  • Proteins
    02:50

Lipids

  • Steroids & Waxes
    03:30
  • Lipids
    04:19
  • Fatty Acids
    06:59

Nucleic Acids

  • Nucleic Acids Example 2
    01:05
  • Formation & Breakdown of Nucleic Acids
    04:07
  • DNA vs. RNA
    05:57