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Comprehensive Study Guide: Core Concepts in College Biology (Bio 104)

Study Guide - Learn with Videos

Curated lessons matched to your uploaded material – learn every topic step by step.

Genes & Alleles

  • Genes & Alleles Example 1
    02:09
  • Genes & Alleles
    05:02
  • Haploid vs. Diploid Cells
    04:14

Homologous Chromosomes

  • Homologous Chromosomes
    08:09

Introduction to Meiosis

  • Introduction to Meiosis Example 1
    01:43
  • Meiosis I & Meiosis II
    04:49
  • Introduction to Meiosis
    04:33

Genotype vs. Phenotype

  • Genotype & Phenotype
    06:36
  • Dominant vs. Recessive Alleles
    03:39

Punnett Squares

  • How to Use Punnett Squares
    07:05
  • Punnett Squares
    01:37

Incomplete Dominance vs. Codominance

  • Codominance
    02:59
  • Codominance & Blood Type
    05:15
  • Incomplete Dominance
    03:09

Sex-Linked Inheritance

  • X-Linked Recessive Pedigrees
    03:42
  • Sex-Linked Inheritance
    04:17
  • X-Linked Recessive Disorder: Hemophilia Inheritance
    04:37

Introduction to DNA Replication

  • Unwinding the DNA: Topoisomerase, Helicase & SSBs
    05:10
  • Components of DNA Replication
    04:47
  • Origin of Replication
    03:33

DNA Polymerases

  • DNA Polymerase Requirements
    05:03
  • DNA Polymerases
    04:01

Leading & Lagging DNA Strands

  • Leading & Lagging DNA Strands
    05:15

Central Dogma

  • Central Dogma
    05:45

Introduction to Transcription

  • Overview of Transcription
    07:44
  • Introduction to Transcription
    05:51

Steps of Transcription

  • 3) Termination of Transcription
    02:44
  • 1) Initiation of Transcription
    04:16
  • 2) Elongation of Transcription
    04:01

Introduction to Types of RNA

  • Introduction to Types of RNA
    07:20

Introduction to Translation

  • Ribosomal tRNA Binding Sites
    06:16
  • Ribosome Subunits
    08:42
  • Introduction to Translation
    06:12

Steps of Translation

  • 2) Elongation of Translation
    04:59
  • 3) Termination of Translation
    02:16
  • 1) Initiation of Translation
    05:03

Mutations

  • Mutations
    02:29
  • Types of Mutations
    08:44

Introduction to Evolution and Natural Selection

  • Introduction to Evolution and Natual Selection Example 1
    03:22
  • Introduction to Evolution and Natual Selection Example 2
    04:28
  • Typological vs. Population Thinking
    03:56

Natural Selection

  • Natural Selection Example 2
    05:11
  • Natural Selection: Observations and Inferences
    04:12
  • Natural Selection Example 1
    02:19

Introduction to Speciation

  • Introduction to Speciation
    03:03

The Biological Species Concept

  • The Biological Species Concept Example 3
    02:15
  • Prezygotic Barriers
    05:18
  • The Biological Species Concept Example 1
    01:27

Allopatric and Sympatric Speciation

  • Allopatric and Sympatric Speciation
    02:46
  • Allopatric and Sympatric Speciation Example 1
    04:25
  • Allopatric Speciation
    03:53

The Fossil Record

  • Biases in the Fossil Record
    03:17
  • Fossils
    03:54
  • The Fossil Record Example 1
    02:59

Phylogeny

  • Phylogeny Example 3
    04:12
  • Parts of a Phylogenetic Tree
    05:16
  • Phylogeny Example 1
    06:11

Building Phylogenetic Trees

  • Shared Derived Characters
    05:42
  • Parsimony
    06:46
  • Building Phylogenetic Trees Example 1
    04:35

Cladistics

  • Cladistics Example 1
    03:52
  • Monophyletic, Paraphyletic, & Polyphyletic Group
    06:37

Introduction to Prokaryotes

  • Introduction to Archaea
    04:39
  • Prokaryotic & Eukaryotic Cells
    05:54
  • Features of Bacterial Cells
    03:54

Prokaryotic Diversity

  • Prokaryote Lineages 1
    03:51
  • Reviewing the Environmental Factors of Microbial Growth
    07:21
  • Prokaryote Lineages 2
    05:13

Fungi

  • Fungi - 1
    08:59
  • Fungi - 2
    09:57

Overview of Animals

  • Overview of Animals - 2
    06:59
  • Overview of Animals - 5
    04:57
  • Overview of Animals - 3
    12:01

Chordates

  • Chordates
    05:34
  • Bony Fish
    05:21
  • Tetrapods
    05:57

Aminotes

  • Birds and Synapsids
    04:14
  • Marsupials and Placental Mammals
    02:12
  • Mammals and Monotremes
    02:40

Primates and Homonids

  • Homonids
    11:30
  • Primates
    05:26

Introduction to Photosynthesis

  • Introduction to Photosynthesis
    03:32
  • Photosynthesis vs. Cellular Respiration
    07:55
  • Photosynthesis is a Redox Reaction
    03:20

Stages of Photosynthesis

  • Stages of Photosynthesis
    03:16
  • Map of the Lesson on Photosynthesis
    02:41

Light Reactions of Photosynthesis

  • Light Reactions of Photosynthesis Example 1
    01:48
  • Light Reactions of Photosynthesis
    04:06
  • Steps of the Light Reactions
    15:15

Calvin Cycle

  • 3 Phases of the Calvin Cycle (C3 Pathway)
    10:58
  • Calvin Cycle
    03:42

Roots and Shoots

  • Phenotypic Plasticity
    06:58
  • Plant Cells Review
    05:29
  • Shoots and Leaves
    05:46

Tissues

  • Epidermal and Ground Tissue
    05:39
  • Ground Tissue Cells
    04:03
  • Vascular Tissue
    06:58

Water Potential

  • How Water Enters Xylem
    07:59
  • Cohesion-Tension Theory
    05:59
  • Water Potential
    11:32

Soil and Nutrients

  • Ion Exclusion
    04:51
  • Soil Nutrients
    03:25
  • Cation Exchange
    06:26

Introduction to Ecology

  • Levels of Ecological Study
    05:01
  • Introduction to Ecology Example 1
    02:31
  • Environment vs. Habitat vs. Niche
    01:57

Introduction to Population Ecology

  • Factors Affecting Population Size (N)
    01:48
  • Population Size & Density
    01:52
  • Introduction to Population Ecology Example 3
    01:51

Introduction to Community Ecology

  • Introduction to Community Ecology
    02:03

Introduction to Ecosystems

  • Grazing & Detritus-Based Food Chains
    03:29
  • Introduction to Ecosystems Example 2
    01:57
  • Introduction to Ecosystems
    04:07

Biogeochemical Cycles

  • Biogeochemical Cycles Example 2
    02:40
  • Carbon Cycle
    04:20
  • Nitrogen Cycle
    08:32