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Comprehensive Guidance for Biology 1-2 Final Exam Study Guide

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Introduction to the Cell Cycle

  • Introduction to the Cell Cycle
    04:46

Interphase

  • Centrosomes & Mitotic Spindles
    04:02
  • Interphase
    08:05

Phases of Mitosis

  • Phases of Mitosis
    03:21
  • Metaphase
    01:58
  • Prometaphase
    03:20

Introduction to Meiosis

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

Meiosis I

  • Meiosis I
    07:55

Genetic Variation During Meiosis

  • Genetic Variation During Meiosis
    07:08
  • Nondisjunction
    05:03
  • Independent Assortment
    08:49

Cell Cycle Regulation

  • Cell Cycle Regulation
    03:31
  • Cell Cycle Checkpoints
    06:32

Cancer

  • Types of Genes Regulating Cell Growth
    04:02
  • Cancer
    03:22

Dihybrid Crosses

  • Dihybrid Crosses
    02:37
  • Dihybrid Crosses & Punnett Squares
    03:34

Mendel's Laws

  • Mendel's Laws
    01:16
  • Law of Segregation
    03:24
  • Law of Independent Assortment
    06:44

Incomplete Dominance vs. Codominance

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

Introduction to DNA Replication

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

Central Dogma

  • Central Dogma
    05:45

Introduction to Transcription

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

Eukaryotic RNA Processing and Splicing

  • Eukaryotic RNA Processing and Splicing
    02:32
  • 2) RNA Splicing Creates Mature mRNA
    08:44
  • 1) RNA Processing
    04:19

Introduction to Types of RNA

  • Introduction to Types of RNA
    07:20

Genetic Code

  • How to Use the Genetic Code
    11:39
  • Genetic Code
    01:28

Introduction to Translation

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

Mutations

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

Introduction to Prokaryotes

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

Natural Selection and Evolution

  • Natural Selection Causes Adaptation
    07:48
  • Adaptation Improves Fitness
    02:57
  • Evolution can Occur Via Natural Selection
    04:32

The Hardy-Weinberg Principle

  • Predicting Allele or Genotype Frequencies Using Hardy-Weinberg
    03:31
  • Testing if a Population is in Hardy-Weinberg Equilibrium
    08:26
  • B. Calculating Allele Frequency from a Genotype Frequency
    03:20

Assumptions of the Hardy-Weinberg Principle

  • Five Assumptions of Hardy-Weinberg Equilibrium
    06:16
  • Assumptions of the Hardy-Weinberg Principle Example 1
    04:13

Genetic Drift

  • Genetic Drift Example 1
    02:00
  • Genetic Drift Example 2
    02:37
  • Genetic Drift
    05:06

Gene Flow

  • Gene Flow Example 1
    04:34
  • Gene Flow
    01:43

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

Introduction to Population Ecology

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

Population Demography

  • Life Tables
    03:49
  • Population Demography Example 1
    02:18
  • Survivorship Curves
    02:54

Factors Limiting Population Growth

  • Density-Dependent Factors
    02:37
  • Factors Limiting Population Growth
    00:51
  • Density-Dependent vs. Density-Independent Factors
    03:14

Introduction to Population Growth Models

  • Introduction to Population Growth Models Example 3
    02:52
  • Introduction to Population Growth Models
    01:09
  • Assumptions of Population Growth Models
    03:29

Exponential Population Growth

  • Exponential Population Growth Example 2
    07:34
  • Exponential Population Growth
    03:05
  • Exponential Population Growth Equations
    06:35

Logistic Population Growth

  • Summary of Key Features & Assumptions for Each Population Growth Model
    07:28
  • Logistic Growth in a Limited Environment
    05:00
  • Logistic Population Growth Example 1
    04:28

r/K Selection

  • r/K Selection
    04:08
  • r/K Selection Example 1
    02:01

Introduction to Community Ecology

  • Introduction to Community Ecology
    02:03

Introduction to Community Interactions

  • Overview: Types of Community Interactions
    02:55
  • Introduction to Community Interactions Example 1
    02:23
  • Introduction to Community Interactions
    01:57

Community Interactions: Competition (-/-)

  • Resource Partitioning (Partial Niche Overlap)
    03:57
  • Competitive Exclusion Principle (Complete Niche Overlap)
    04:23
  • Community Interactions: Competition (-/-) Example 1
    04:23

Community Interactions: Exploitation (+/-)

  • 1) Exploitation (+/-): Predation
    01:42
  • 3) Exploitation (+/-): Parasitism
    02:37
  • Community Interactions: Exploitation (+/–)
    00:49

Community Interactions: Mutualism (+/+) & Commensalism (+/0)

  • Positive Interactions
    02:56
  • Summary of Community Interactions
    01:52

Community Dynamics

  • Disturbances Make Communities Dynamic
    03:37
  • Secondary Ecological Succession
    02:31
  • Effects of Early-Arriving Species on Late-Arriving Species
    01:34

Introduction to Ecosystems

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

Energy Flow Through Ecosystems

  • Gross Productive Energy vs. Assimilated Energy
    05:28
  • Energy Efficiency in Ecosystems
    06:28
  • Energy Flow Through Ecosystems Example 2
    07:07

Biogeochemical Cycles

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

Nitrogen Fixation

  • Nitrogen Cycle
    06:31
  • Nodules
    09:47

Conservation Biology

  • Biodiversity Hotspots and Endangered Species
    04:32
  • Biodiversity and Sustainability
    05:06
  • Pollution and Climate Change
    03:36