Course: Biology Dnatube

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WATCH LECTURE

Lec 1 - Introduction to Evolution and Na ...

Introduction to Evolution and Natural Selection Introduction to evolution, variation in a population and natural selection
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Lec 2 - Ape Clarification

Ape Clarification Ape Clarification - that they have no tails
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Lec 3 - Intelligent Design and Evolution

Intelligent Design and Evolution The argument that evolution speaks to being the most "intelligent design"
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Lec 4 - Evolution Clarification

Evolution Clarification Clarifying some points on evolution and intelligent design
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Lec 5 - Natural Selection and the Owl Bu ...

Natural Selection and the Owl Butterfly How the "Owl Butterfly" may have gotten the spot on its wings.
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Lec 6 - DNA

DNA An introduction to DNA
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Lec 7 - Variation in a Species

Variation in a Species How variation can be introduced into a species.
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Lec 8 - Chromosomes, Chromatids, Chromat ...

Chromosomes, Chromatids, Chromatin, etc. The vocabulary of DNA: chromosomes, chromatids, chromatin, transcription, translation, and replication
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Lec 9 - Mitosis, Meiosis and Sexual Repr ...

Mitosis, Meiosis and Sexual Reproduction Mitosis, meiosis and sexual reproduction. Understanding gametes, zygotes, and haploid / diploid numbers.
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Lec 10 - Phases of Mitosis

Phases of Mitosis Explanation of the phases of mitosis.
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Lec 11 - Phases of Meiosis

Phases of Meiosis The phases of Meiosis.
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Lec 12 - Embryonic Stem Cells

Embryonic Stem Cells An overview of early development of a zygote to an embryo. Embryonic and somatic stem cells.
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Lec 13 - Cancer

Cancer An introduction to what cancer is and how it is the by-product of broken DNA replication
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Lec 14 - Introduction to Heredity

Introduction to Heredity Heredity and Classical Genetics. Dominant and recessive traits. Heterozygous and homozygous genotypes.
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Lec 15 - Punnett Square Fun

Punnett Square Fun Dihybrid crosses. Independent assortment. Incomplete dominance. Codominance and multiple alleles.
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Lec 16 - Hardy-Weinberg Principle

Hardy-Weinberg Principle Understanding allele and genotype frequency in population in Hardy-Weinberg Equilibrium.
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Lec 17 - Sex-Linked Traits

Sex-Linked Traits Chromosomal basis for gender. Sex-linked traits.
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Lec 18 - Bacteria

Bacteria Introduction to bacteria
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Lec 19 - Viruses

Viruses Introduction to viruses
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Lec 20 - ATP: Adenosine Triphosphate

ATP: Adenosine Triphosphate Introduction to ATP or Adenosine Triphosphate
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Lec 21 - Introduction to Cellular Respir ...

Introduction to Cellular Respiration Introduction to cellular respiration, glycolysis, the Kreb's Cycle, and the electron transport chain
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Lec 22 - Oxidation and Reduction Review ...

Oxidation and Reduction Review From Biological Point-of-View Taking a looking at oxidation and reduction in a biological context
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Lec 23 - Oxidation and Reduction in Cell ...

Oxidation and Reduction in Cellular Respiration Oxidation and reduction in cellular respiration. Reconciling the biology and chemistry definitions of oxidation and reduction.
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Lec 24 - Glycolysis

Glycolysis Overview of glycolysis
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Lec 25 - Krebs / Citric Acid Cycle

Krebs / Citric Acid Cycle Overview of the Krebs or Citric Acid Cycle
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Lec 26 - Electron Transport Chain

Electron Transport Chain Overview of the Electron Transport Chain
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Lec 27 - Oxidative Phosphorylation and C ...

Oxidative Phosphorylation and Chemiosmosis Oxidative Phosphorylation and Chemiosmosis (along with slight correction of previous video)
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Lec 28 - Photosynthesis

Photosynthesis Overview of photosythesis
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Lec 29 - Photosynthesis: Light Reactions 1

Photosynthesis: Light Reactions 1 Details on the light-dependent reactions of photosynthesis
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Lec 30 - Photosynthesis: Light Reaction ...

Photosynthesis: Light Reactions and Photophosphorylation More detail on the light reactions and photophorylation
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Lec 31 - Photosynthesis: Calvin Cycle

Photosynthesis: Calvin Cycle The Calvin Cycle or the light-independent (dark) reactions of photosythesis
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Lec 32 - Photorespiration

Photorespiration More detail on the Calvin Cycle and Photorespiration
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Lec 33 - C-4 Photosynthesis

C-4 Photosynthesis C-4 Photosynthesis: How some plants avoid photorespiration
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Lec 34 - CAM Plants

CAM Plants How CAM Plants are able to fix carbon at night so they don't have to keep their stomata open during the day
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Lec 35 - Parts of a cell

Parts of a cell Parts of a cell: nucleus, ribosomes, endoplasmic reticulum, Golgi bodies, mitochondria, chloroplasts, vacuoles, and vesicles
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Lec 36 - Diffusion and Osmosis

Diffusion and Osmosis Diffusion and Osmosis
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Lec 37 - The Lungs and Pulmonary System

The Lungs and Pulmonary System The pulmonary system including the lungs, larynx, trachea, bronchi, bronchioles, alveoli and thoracic diaphragm
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Lec 38 - Red blood cells

Red blood cells Oxygen uptake by hemoglobin in red blood cells
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Lec 39 - Circulatory System and the Heart

Circulatory System and the Heart Introduction to the circulatory system and the heart
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Lec 40 - Hemoglobin

Hemoglobin Hemoglobin and its role in the circulatory system
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Lec 41 - Anatomy of a Neuron

Anatomy of a Neuron Introduction to the neuron and its anatomy
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Lec 42 - Sodium Potassium Pump

Sodium Potassium Pump How a sodium potassium pump can maintain a voltage gradient across a cell or neuron's membrane
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Lec 43 - Correction to Sodium and Potass ...

Correction to Sodium and Potassium Pump Video Correction to Sodium and Potassium Pump Video
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Lec 44 - Electrotonic and Action Potentials

Electrotonic and Action Potentials How electrotonic and action potentials propagate down cells
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Lec 45 - Saltatory Conduction in Neurons

Saltatory Conduction in Neurons Saltatory conduction or how neurons use both electrotonic and action potentials to have signals move quickly while not losing strength.
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Lec 46 - Neuronal Synapses (Chemical)

Neuronal Synapses (Chemical) How one neuron can stimulate (or inhibit) another neuron at a chemical synapse
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Lec 47 - Myosin and Actin

Myosin and Actin How myosin and actin interact to produce mechanical force.
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Lec 48 - Tropomyosin and troponin and th ...

Tropomyosin and troponin and their role in regulating muscle contraction Tropomyosin and troponin and their role in regulating muscle contraction. How calcium ion concentration dictates whether a muscle is contracting or not.
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Lec 49 - Role of the Sarcoplasmic Reticu ...

Role of the Sarcoplasmic Reticulum in Muscle Cells The role of the sarcoplasmic reticulum in controlling calcium ion concentrations within the muscle cell
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Lec 50 - Anatomy of a muscle cell

Anatomy of a muscle cell Understanding the structure of a muscle cell
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Lec 51 - Role of Phagocytes in Innate or ...

Role of Phagocytes in Innate or Nonspecific Immunity Role of phagocytes in innate or nonspecific immunity. Neutrophils, macrophages, and dendritic cells. MHC II.
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Lec 52 - Types of immune responses: Inna ...

Types of immune responses: Innate and Adaptive. Humoral vs. Cell-Mediated Overview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-mediated adaptive immunity.
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Lec 53 - B Lymphocytes (B cells)

B Lymphocytes (B cells) Overview of B cells (B lymphocytes) and how they are activated and produce antibodies
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Lec 54 - Professional Antigen Presenting ...

Professional Antigen Presenting Cells (APC) and MHC II complexes How professional antigen presenting cells present parts of engulfed pathogens on MHC II complexes (major histocompatibility complexes).
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Lec 55 - Helper T Cells

Helper T Cells Introduction to helper T cells and their role in activating B cells
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Lec 56 - Cytotoxic T Cells

Cytotoxic T Cells How cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells
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Lec 57 - Review of B cells, CD4+ T cell ...

Review of B cells, CD4+ T cells and CD8+ T cells Review of B cells, CD4+ T cells and CD8+ T cells
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Lec 58 - Inflammatory Response

Inflammatory Response Overview of the inflammatory response
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Lec 59 - The Kidney and Nephron

The Kidney and Nephron Overview of how the nephrons in the kidney filter blood and reabsorb water and other molecules.
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Lec 60 - Secondary Active Transport in t ...

Secondary Active Transport in the Nephron Secondary Active Transport in the Nephron
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Lec 61 - Species

Species What a species is and isn't. Ligers, tiglons, mule, hinnies, and dogs
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Lec 62 - Taxonomy and the Tree of Life

Taxonomy and the Tree of Life The science of taxonomy and where humans fit into the tree of life

Biology


Source of these courses is khan 
Covers topics seen in a first year college or high school biology course.
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COURSE NAME: Biology

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