BIOL 1010

Dal

Course Overview

Lessons & Practice

I. Welcome

2 min

2. Cell Organelles

2.1.1. Nucleus Structure and Function

2.1.2. Practice

2.1.3. Practice

2.2.1. Ribosomal Structure and Function

2.2.2. Practice

2.2.3. Practice

2.3.1. Endoplasmic Reticulum Structure and Function

2.3.2. Practice

2.3.3. Practice

2.4.1. Golgi Apparatus Structure and Function

2.4.2. Practice

2.5.1. Lysosomes and Peroxisomes Structure and Function

2.6.1. Vacuoles Structure and Function

2.6.2. Practice

2.7.1. Mitochondria Structure and Function

2.7.2. Practice

2.7.3. Practice

2.7.4. Practice

2.8.1. Chloroplast Structure and Function

2.8.2. Practice

2.8.3. Practice

2.8.4. Practice

2.9.1. Cytoskeleton Structure and Function

2.9.2. Practice

2.9.3. Practice

2.9.4. Practice

2.10.1. Cytoplasm Structure and Function

2.10.2. Practice

2.11.1. Cell Membrane Structure and Function

2.11.2. Practice

2.11.3. Practice

2.11.4. Practice

2.12.1. External Components: Structure and Function

2.12.2. Practice

2.12.3. Practice

2.12.4. Practice

2.13.1. Plant Cells vs. Animal Cells

2.13.2. Practice

2.13.3. Practice

2.13.4. Practice

2.13.5. Summary - Animal & Plant Cells

3. Cell Membranes

52min

3.1.1. The Fluid Mosaic Model5 min

3.1.2. Factors Affecting Membrane Fluidity5 min

3.1.3. Practice 1

3.1.4. Practice 21 min

3.1.5. Practice 31 min

3.2.1. Membrane Permeability3 min

3.2.2. Introduction and Passive Transport7 min

3.2.3. Practice 12 min

3.2.4. Practice 2

3.3.1. Active Transport7 min

3.3.2. Example 3 min

3.3.3. Practice 13 min

3.4.1. Endocytosis and Exocytosis

3.4.2. Practice 1

3.4.3. Practice 21 min

3.5.1. Osmosis and Osmolarity6 min

3.5.2. Practice 14 min

3.5.3. Practice 21 min

4. Cell Structure & The Cytoskeleton

1.5hr

4.1.1. Prokaryotic Cells5 min

4.1.2. Practice 1

4.1.3. Bacteria and Archaea Cell Wall Composition4 min

4.1.4. Practice 2

4.1.5. Practice 3

4.2.1. Eukaryotic Cells11 min

4.2.2. Illustrations of Cellular Components7 min

4.2.3. Practice 1

4.2.4. Practice 2

4.3.1. Eukaryotic Cells [Introduction for detailed courses]2 min

4.3.2. Ribosomes 3 min

4.3.3. Peroxisomes3 min

4.3.4. Mitochondria and Chloroplasts6 min

4.3.5. Plant versus Animal Cells3 min

4.4.1. The Endomembrane System2 min

4.4.2. Lysosomes, Vacuoles and Vesicles

4.4.3. Example 1

4.4.4. Practice 1

4.4.5. The Endoplasmic Reticulum (ER)4 min

4.4.6. Practice 2

4.4.7. Practice 3

4.4.8. The Nucleus5 min

4.4.9. The Golgi Apparatus3 min

4.5.1. Cytoskeleton Overview [short lesson]5 min

4.5.2. Microtubules6 min

4.5.3. Actin Microfilaments4 min

4.5.4. Intermediate Filaments3 min

4.5.5. Example31 sec

4.5.6. Practice 1

4.5.7. Practice 2

4.5.8. Illustrations of the Cytoskeleton4 min

4.6.1. Extracellular Matrix2 min

4.6.2. Junctions and Adhesions5 min

4.6.3. Practice 1

4.6.4. Practice 2

4.6.5. Practice 3

5. Metabolism & Energy

54min

5.1.1. Overview of Cellular Respiration4 min

5.2.1. Glycolysis4 min

5.2.2. Practice 1

5.2.3. Practice 22 min

5.2.4. Practice 3

5.3.1. Energy of Glucose Metabolism7 min

5.3.2. Practice 1

5.4.1. Glycolysis Full Sequence of Reactions and Summary [detailed]8 min

5.5.1. Endosymbiont Theory5 min

5.6.1. Pyruvate Processing4 min

5.6.2. Practice 1

5.6.3. Stage 2: Pyruvate Processing7 min

5.6.4. New Practice Question

5.7.1. The Citric Acid Cycle3 min

5.7.2. Practice 12 min

5.7.3. Practice 2

5.7.4. Practice 3

5.8.1. Electron Transport Chain Overview3 min

5.8.2. Example

5.8.3. Practice 12 min

5.8.4. Practice 23 min

6. The Cell Cycle

34min

6.1.1. The Gene and the Genome10 min

6.1.2. Practice 11 min

6.2.1. Phases of the Cell Cycle5 min

6.2.2. Practice 12 min

6.3.1. Cell cycle Control7 min

6.3.2. Putting the Breaks on the Cell Cycle4 min

6.3.3. Example1 min

6.3.4. Practice 139 sec

6.3.5. Practice 22 min

8. Mitosis & Meiosis

45min

8.1.1. Mitosis and Cytokinesis7 min

8.1.2. Cytokinesis2 min

8.1.3. Ploidy & C-value coefficients5 min

8.1.4. Practice 13 min

8.1.5. Practice 23 min

8.1.6. Practice 3

8.1.7. Practice 4

8.2.1. Meiosis I10 min

8.2.2. Chromosomal Crossover3 min

8.2.3. Meiosis Nomenclature3 min

8.2.4. Practice 1

8.2.5. Practice 2

8.2.6. Practice 3

8.3.1. Meiosis II5 min

8.3.2. Example: Graphing Ploidy & C-value Coefficients4 min

9. Patterns of Inheritance

1.4hr

9.1.1. History of Mendelian Genetics4 min

9.1.2. Basics of Probability for Genetics5 min

9.1.3. Example 12 min

9.1.4. Practice 1

9.1.5. Example 22 min

9.2.1. Alleles3 min

9.2.2. Genotype and Phenotype5 min

9.3.1. Incomplete Dominance and Co-Dominance3 min

9.3.2. Example4 min

9.3.3. Practice 1

9.4.1. Mendel's Law of Segregation10 min

9.4.2. Mendel's Law of Independent Assortment6 min

9.4.3. Punnett Square Rules4 min

9.4.4. Example 15 min

9.4.5. Example 29 min

9.4.10. Cheatsheet: Inheritance Terminology

9.5.1. Practice 1

9.5.2. Practice 2

9.5.3. Practice 3

9.6.1. Chromosomal Nondisjunction, Aneuploidy and Polyploidy6 min

9.6.2. Example2 min

9.6.3. Practice 1

9.6.4. Practice 27 min

9.7.1. Duplications, Deletions and Inversions4 min

9.7.2. Practice 1

10. Human Genetics

21min

10.1.1. Pedigree Analysis9 min

10.2.1. Inheritance of Autosomal Traits9 min

10.2.2. Example 1

10.2.3. Example 2

10.3.1. Inheritance of X-linked Traits

10.3.2. Example 13 min

11. DNA: The Genetic Material

1.2hr

11.1.1. Nucleic Acids5 min

11.1.2. The DNA Double Helix5 min

11.1.3. Example2 min

11.1.4. Practice 11 min

11.1.5. Practice 22 min

11.1.6. Practice 33 min

11.1.7. Practice 445 sec

11.2.1. Review of DNA Structure10 min

11.2.2. Practice 12 min

11.2.3. Practice 2

11.3.1. Meselson-Stahl Experiment9 min

11.3.2. Example: Applying the Meselson-Stahl Experiment2 min

11.3.3. Practice 12 min

11.4.1. DNA Replication in Cells14 min

11.4.2. Example: Leading and Lagging Strands2 min

11.4.3. Practice 12 min

11.4.4. Practice 23 min

11.4.5. Example: Complete the Replication Bubble4 min

12. Genes & How They Work

1.8hr

12.1.1. Genes and mRNA8 min

12.1.2. General Structure of mRNA4 min

12.1.3. The Genetic Code8 min

12.1.4. Reading Frame3 min

12.1.5. Practice 13 min

12.1.6. Practice 22 min

12.1.7. Practice 32 min

12.1.8. Practice 43 min

12.1.9. Summary of Genes and mRNA

12.2.1. The Central Dogma of Biology4 min

12.2.2. Practice 1

12.2.3. Practice 22 min

12.2.4. Practice 32 min

12.3.1. Initiation8 min

12.3.2. Elongation7 min

12.3.3. Termination4 min

12.3.4. Practice 14 min

12.3.5. Practice 22 min

12.3.6. Practice 3

12.4.1. Transcription In Eukaryotes9 min

12.4.2. Practice 1

12.5.1. RNA Maturation in Eukaryotes8 min

12.5.2. Example 3 min

12.5.3. Practice 11 min

12.5.4. Practice 23 min

12.5.5. mRNA Maturation - Theory3 min

12.6.1. Translation into Proteins9 min

12.6.2. Differences in Eukaryotic and Prokaryotic Translation3 min

12.6.3. Example 15 min

12.6.4. Example 2

12.6.5. Transcription vs. Translation Chart

12.6.6. Practice 1

12.6.7. Practice 2

13. Regulation of Gene Expression & Mutations

2.2hr

13.1.1. Introduction to Regulation of Gene Expression4 min

13.1.2. Prokaryotic Levels of Regulation6 min

13.1.3. Prokaryotic Regulatory Proteins5 min

13.1.4. Types of Transcriptional Regulation5 min

13.1.5. Practice 1

13.1.6. Practice 2

13.1.7. Practice 3

13.2.1. The Tryptophan (Trp) Operon5 min

13.2.2. Trp Operon Attenuation8 min

13.2.3. The Trp Operon Summary

13.3.1. The Lac Operon5 min

13.3.2. Practice 1

13.3.3. Practice 2

13.3.4. Practice 3

13.4.1. The Lac Operon [detailed]5 min

13.4.2. The Lac Operon & Glucose Regulation [detailed]5 min

13.4.3. Lac Operon Summary

13.4.4. Example 1

13.4.5. Example 2

13.4.6. Practice 1

13.5.1. Types of DNA Mutations9 min

13.5.2. Practice 1

13.5.3. Practice 2

13.5.4. Sources of Mutation: DNA Slippage5 min

13.5.5. Sources of Mutation: Tautomeric Shifts7 min

13.5.6. Example: Tautomeric Shifts4 min

13.5.7. Sources of Mutation: Copy Number Variations3 min

13.5.8. Sources of Mutation: Mobile Elements7 min

13.6.1. Repair of Mutations During Replication [Exonuclease Activity and Mismatch Repair]10 min

13.6.2. Repair of Mutations by Mutagens [Nucleotide Excision Repair]3 min

13.6.3. Practice 12 min

13.7.1. Cloning and DNA libraries17 min

13.7.2. Restriction Enzymes or Endonucleases3 min

13.7.3. Restriction Enzymes7 min

13.7.4. Gene Cloning5 min

13.7.5. Plasmids2 min

13.7.6. Digestion and ligation

14. Gene Technology

48min

14.1.1. Gene Mapping4 min

14.2.1. DNA Sequencing9 min

14.3.1. (Agarose) Gel Electrophoresis 3 min

14.4.1. Southern Blot2 min

14.4.2. Northern Blot2 min

14.4.3. Practice

14.5.1. Genome Editing11 min

14.5.2. CRISPR [detailed]9 min

14.5.3. Practice 1

14.5.4. Practice 2

14.6.1. Gene Cloning5 min

14.6.2. Plasmids2 min

14.6.3. Restriction Enzymes or Endonucleases3 min

15. Evolution

1.2hr

15.I. Intro: Evolution31 sec

15.1.1. Charles Darwin6 min

15.1.2. Practice

15.1.3. Practice

15.1.4. Practice

15.2.1. Descent with Modification6 min

15.3.1. The Modern Synthesis6 min

15.3.2. Practice

15.3.3. Practice

15.4.1. Evolution of Populations5 min

15.4.2. Example2 min

15.4.3. Practice46 sec

15.4.4. Practice46 sec

15.4.5. Practice1 min

15.4.6. Graphing Allele Frequencies Over Time7 min

15.4.7. Practice: Relative Fitness5 min

15.5.1. Hardy-Weinberg Principle5 min

15.5.2. Example4 min

15.5.3. Practice

15.5.4. Practice

15.5.5. Hardy-Weinberg Equation5 min

15.5.6. Example: Applying HWE during experimentation5 min

15.5.7. Practice: Assortative Mating10 min

15.Q. Quiz: Evolution8 Qns

16. Speciation

9min

16.I. Intro: Origin of Species39 sec

16.1.1. Origin of Species9 min

16.1.2. Practice

16.1.3. Practice

16.1.4. Practice

16.Q. Quiz: Origin of Species5 Qns

17. Phylogenetics & Systematics

9min

17.I. Intro: Classification1 min

17.1.1. Phylogenetic Trees4 min

17.1.2. Phylogenetic Trees and Parsimony4 min

17.1.3. Practice

17.1.4. Practice

17.1.5. Practice

17.Q. Quiz: Classification6 Qns

Mock Exams

ME.1. Midterm Mock Exam30 Qns

ME.2. Final Exam - Mock Assessment51 Qns

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Answered

Aseel Y

Hi there, I just want to ask why Homeostasis section is not available!

Danielle S

Instructor

Thank you for bringing this to our attention and your patience in allowing us to solve the issue!

The chapter now has the content ready for you to explore and review.

Answered

Anonymous

Is glycolysis not covered in this course?

Lila H

Instructor

It is currently included in Section 5 "Energy and Metabolism"

Answered

Anonymous

What is the difference between gene flow and genetic drift 

Isaura F

Instructor

Gene flow is the transfer of genetic information from one population to another. Genetic drift is the variation of the relative frequency of a particular allele (version of a gene) within a population. Hope this helps!

Answered

Shannon W

What's neurons?

Marlon B

A nerve cell

Answered

Alexis E

whats a hydrogen bond?

Marlon B

A bond between an electrostatic attraction between a proton in one molecule and electronegative atom in the other 

Answered

Anonymous

Are there any parts of the human body that get oxygen directly from the air and not from the blood?

Isaura F

Instructor

Seems like the outer layers of skin and outer cornea (of your eyes) are able to get oxygen directly from air. 

Answered

Laura P

How does climate change affect wildlife in ontario? 

Isaura F

Instructor

"In Ontario, [one] can expect average temperatures to rise by as much as 3 to 8 degrees Celsius over the next century. Warmer temperatures will result in milder winters, longer growing seasons and a higher frequency of severe weather events such as record-breaking storms, floods, droughts and heat waves." For more info, check out: http://www.health.gov.on.ca/en/common/ministry/publications/reports/climate_change_toolkit/climate_change_health_modelling_study.pdf

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BIOL 1010

Course Overview

1. Structure & Function of Large Biological Molecules

2. Cell Organelles

3. Cell Membranes

4. Cell Structure & The Cytoskeleton

5. Metabolism & Energy

6. The Cell Cycle

7. Cell Communication

8. Mitosis & Meiosis

9. Patterns of Inheritance

10. Human Genetics

11. DNA: The Genetic Material

12. Genes & How They Work

13. Regulation of Gene Expression & Mutations

14. Gene Technology

15. Evolution

16. Speciation

17. Phylogenetics & Systematics

18. Microbial Diversity

Mock Exams

I Welcome

Free Activity

Ask a Question

Aseel Y

Danielle S

Anonymous

Lila H

Anonymous

Isaura F

Shannon W

Marlon B

Alexis E

Marlon B

Anonymous

Isaura F

Laura P

Isaura F

Welcome to First Year Bio!