Topic Name Description
Course Introduction Page Course Syllabus
1.1: Introduction to Biology URL The Process of Science

Are you ready to dive into the study of science? First, you'll need to understand the scientific method used in scientific inquiry. Now is a great time to start a biology notebook to write down the terms and concepts you learn throughout the course. 

URL Introduction to Modern Biology

Click "Enter Course" on this page, and read "Introduction to Modern Biology". You may wish to create a username and password this website, so you will not have to login as a guest each time.

1.2: Biology Systems and Water File Advanced Characteristics of Life

In this chapter you will explore the characteristics of living organisms, and identify characteristics common among all living organisms.  At the end of the chapter, take a few moments to consider the "Explore More" section and the review questions. Write your answers and any additional questions that may arise in your notes.

Page Introduction to Biological Systems

Watch this lecture. At the 30-minute mark, the lecturer misspeaks and says that "thymus enlarges". The thymus is a small organ in the upper chest involved in the immune system. The lecturer meant to say "thyroid" when referring to a goiter in the neck. The last portion of the lecture (properties of water) will be covered later on in unit 3.

2.1: Atoms and Molecules Page Atoms and the Elements

Watch these lectures for an introduction to the atom and a discussion about the relationship between atoms and elements. Pay attention to the periodic table. What does it represent?

Page Orbitals and Electron Configurations
Atoms have a specific structure that determines their behavior in an element or compound. Watch these lectures to gain a better understanding of orbitals and the structure of an atom.
Page Electron Configurations and Valence Electrons

Watch these lectures to learn about electron configuration and valence electrons. In the second video, you will have the opportunity to work step-by-step examples to determine electron configuration. Knowledge of electron configuration allows you the opportunity to understand how elements will react with other elements.

URL Atoms, Isotopes, Ions, and Molecules

Read the introduction to chapter 2, and then click "Next" to read the "Atoms, Isotopes, Ions, and Molecules: The Building Blocks" section, which gives an overview of atoms and elements and reviews bond types formed between atoms. Be sure to complete the Art Connections, Review Questions and Free Response sections.

Page Atomic Bonding and Balancing Chemical Equations

Now that you have learned about atoms and their structures, it is time to learn about the different ways that atoms bond together. Watch these lectures to learn about the details of ionic, covalent, and metallic bonds, and how to balance chemical equations.

2.2: Thermodynamics URL Energy and Metabolism

Energy is a basic process common among all living organisms. Read this section to learn how energy flows through a living system and how enzymes catalyze chemical reactions.

Page The First Law of Thermodynamics

Watch this lecture to review the first law of thermodynamics and its importance to living organisms.

3.1: Water and Organic Molecules URL Water

Water is one of the most important compounds on Earth, since no living organisms can survive without water. Understanding the unique properties of water is very important for the study of biology. Read this section, and be sure to complete the multiple choice and free response questions at the end of the section.

3.2: Acids and Bases Page pH, pOH, and pKw

The hydrogen ion concentration of biological systems can be measured using the pH scale. Watch this lecture to learn about the pH scale and how it affects biological systems.

URL Electrolytes and pH

Read this section and complete the "Did I Get This" activity at the end of the section. How can the pH measurements of acidic and basic solutions affect living organisms?

Page Acids and Bases

Watch this lecture to learn about acids and bases, and how they relate to the concentration of hydrogen ions in a solution.

3.3: Biological Macromolecules Page Biological Macromolecules

Watch this lecture to review biological macromolecules and their role in biological organisms.

URL More on Biological Macromolecules

Biological macromolecules are the raw ingredients that allow living cells to exist and survive. Read the introduction, and then click "next" to also read sections 3.1 to 3.5, "Synthesis of Biological Macromolecules", "Carbohydrates", "Lipids", "Proteins", and "Nucleic Acids". Make sure to also complete the multiple choice and free response questions at the end of each section

4.1: Transport and the Cell Membrane URL The Cell Membrane

The cell membrane is an important part of the cell that offers protection of the cellular contents, and monitors all components that enters and exits the cell. Read this overview of the cell membrane and note the process of transport across the cell membrane. These mechanisms will be examined in closer detail later in this unit. 

4.1.1: Membranes, Lipids, and the Fluid Mosaic Model Page Cell Membranes

Watch this lecture to review cell membranes and their role in cell function and survival. .

URL Lipids

Read this section, and then complete the "Learn by Doing" activity and watch the animations. Also complete the "Did I Get This" activity.

URL Fluid Mosaic Model

Read the "Fluid Mosaic Model" section. Watch the animation and complete the "Did I Get This" activity.

4.1.2: Diffusion, Osmosis, and Active Transport Page Diffusion and Osmosis

Watch this lecture to review the movement of water and other molecules through the processes of diffusion and osmosis. Consider how these processes occur across cell membranes. 

URL Passive/Simple Diffusion

Read this section. Try each simulation by clicking "add ink" and "begin simulation". Also be sure to complete the "Did I Get This" activity.

URL Osmosis

Read this section and complete the "Learn by Doing" simulation and the "Did I Get This" activity.

URL Facilitated Diffusion

Read this section, complete the simulation, and try the "Did I Get This" activity.

URL Active Transport

Read this section, watch the animation, and complete the "Did I Get This" activities.

4.2: Cellular Organization and Organelles Page Parts of a Cell

Watch this lecture for a visual tour of the cell. 

URL Cell Structure

Are you ready to take an up close look at the cell? Read this chapter to review cellular anatomy, and pay close attention to the differences in animal cells, plant cells, and bacterial cells. Be sure to click "next" to read sections 4.1 to 4.6. Make sure you also complete the multiple choice and free response questions.

5.1: Reactions and Enzymes URL Energy and Metabolism

Energy flows through all living systems, and the chemical reactions that build and break down energy-containing compounds are vital to all living organisms. Read this section to learn more about these important reactions.

5.1.1: Enzymes URL Enzyme Nomenclature

Read this section to review enzyme nomenclature. Be sure to complete the "Did I Get This" activity.

5.1.2: Oxidation and Reduction Reactions Page Oxidation and Reduction

Metabolic pathways consists of reactions known as oxidation and reduction reactions that work together to create energy in living systems. Watch this lecture to learn about these reactions, and make note of the differences between oxidation reactions and reduction reactions.

URL Redox Reactions

Read this section. Be sure to also complete the "mini-tutor" and "Did I Get This" activities.

5.2.1: Cellular Metabolism and Fermentation URL Glycolysis

Living organisms often break down glucose to create energy in the form of ATP. Read this section to review glycolysis, which is the first step in this process.

URL Citric Acid Cycle and Oxidative Phosphorylation

Read this section to review the next steps in glucose breakdown, which is the citric acid cycle and oxidative phosphorylation.

URL Fermentation

Some organisms use fermentation to break down glucose when oxygen is not available. Read this section to review the process of fermentation.

5.2.2: Pathways and Regulation URL Metabolic Pathways

Read this section, which reviews the metabolic process. Complete the "Did I Get This" activity at the end of the section.

URL Regulation

Read this section. Consider the importance of regulation and how it might be beneficial to cells. Complete the "Learn by Doing" and "Did I Get This" activities.

5.2.3: ATP and Biological Energy URL Glycolysis

Read this page for a closer look at the energy-rich molecule ATP and the process of glycolysis.

Page ATP: Adenosine Triphosphate

Watch this lecture for a review of the ATP molecule and its importance for cells.

5.2.4: Energy Storage in Metabolism URL Energy Storage in Metabolism

Read this section. As you review, think about why energy storage would be vital to a living organism. Be sure to also complete the "Did I Get This" activity.

5.2.5: Thermodynamics URL Thermodynamics

This section is a great review of energy and thermodynamic reactions. Be sure to also complete the "Tutorial" and the "Did I Get This" activities.

5.3: Cellular Respiration Page Cellular Respiration

Watch these lectures to review the entire process of cellular respiration, from glycolysis to ATP generation, and the role of oxidation-reduction reactions in biological systems.

5.3.1: Glycolysis URL Glycolysis

Read this section, which takes a deep dive into the process of glycolysis and its 'ingredients'. Be sure to also complete the "Tutorial" and the "Did I Get This" activities.

Page The Process of Glycolysis

Watch this lecture for a tour of the process of glycolysis.

5.3.2: The Krebs Cycle (Citric Acid Cycle) URL TCA Cycle

Read this section, which gives a detailed look at the Krebs/Citric Acid cycle and the chemical reactions involved in this cycle. You have probably noticed that there are multiple names for this cycle in Biology. All of these names (TCA cycle, Krebs cycle, and citric acid cycle) refer to the same process. Be sure to also complete the "Learn by Doing" and "Did I Get This" activities.

Page The Krebs/Citric Acid Cycle

Watch this lecture for a tour of the Krebs/Citric Acid Cycle. 

5.3.3: The Electron Transport Chain URL Electron Transport Chain and Phosphorylation

Read this section, which outlines the final steps in cellular respiration. Pay close attention to the creation of ATP. Be sure to also complete the "Learn by Doing" and "Did I Get This" activities.

Page Electron Transport Chain

Watch this lecture for a tour of the electron transport chain.

5.3.4: Oxidative Phosphorylation and Chemiosmosis Page Oxidative Phosphorylation and Chemiosmosis

Watch this lecture for a quick review of oxidative phosphorylation and chemiosmosis.

6.1: Overview of Photosynthesis URL Overview of Photosynthesis

Plants and other photosynthetic organisms use sunlight and carbon dioxide to make their own food. Read this section for an overview of the process of photosynthesis. There are two cycles in photosynthesis: the light cycle and the dark cycle. You will explore these cycles later in the unit.

URL The Light-Dependent Reactions of Photosynthesis

Read this section to review the light-dependent reactions of photosynthesis.

URL The Calvin Cycle

Read this section to review the Calvin cycle, which is the light-independent reactions in photosynthesis.

6.2: Photosynthesis and Photorespiration Page Photosynthesis and Photorespiration

Watch these lectures to review the cycles of photosynthesis. Be sure to take notes about the chemical reactions that occur throughout the process and the products of these reactions. 

6.3: C-4 and CAM Photosynthesis Page C-4 and CAM Photosynthesis

Some plants go through a modified version of photosynthesis. Watch these lectures to learn about C-4 and CAM photosynthesis. Be sure to take notes about the differences between these unique types of photosynthesis processes.

7.1: The Basis of Molecular Biology URL Basis of Molecular Biology

Read this section, which gives an overview of DNA and RNA and how these important nucleic acids are the foundation for life. 

7.2: DNA and RNA URL DNA and RNA

Read each of the sections in Module 9. These sections give an in-depth look at DNA and RNA. Note the differences between the structures of DNA and RNA. Be sure to also complete each of the activities that accompany these sections.

7.3: Cell Division URL The Cell Cycle

Read this section to learn about the cell cycle and mitosis.

Page Mitosis

Watch this lecture for a tour of the process of mitosis.

URL Prokaryotic Cell Division

Prokaryotic cells typically reproduce by binary fission, which is much simpler than eukaryotic cell reproduction. Read this section and note the differences observed in prokaryotic cell reproduction.

8.1: Chromosomes, Chromatids, and Chromatin Page Chromosomes, Chromatids, and Chromatin
Chromosomes are unique collections of genetic material that make each of us an individual. Watch this lecture to learn more about chromosomes and their composition.
8.2: Cell Division, Meiosis, and Sexual Reproduction URL The Cellular Basis of Reproduction

Read this introduction to sexual reproduction.

URL Sexual Reproduction

Read this section for an overview of sexual reproduction. As you read, think about the ways that sexual reproduction benefits a species by creating diversity.

URL Meiosis

The process of meiosis is unique to animals that reproduce sexually. Read this section to learn about the events that occur during meiosis.

URL Errors in Meiosis

Read this section. Be sure to also complete the multiple choice and free response questions. How would you describe stages of meiosis and how cells are produced? Can you explain why meiosis is needed for sexual reproduction? What are the cells involved in fertilization? How does fertilization occur?

Page Mitosis, Meiosis, and Sexual Reproduction

Watch these lectures to see the steps of mitosis and meiosis. Note the additional step in meiosis that leads to genetic variability. 

9.1: Introduction to Genetics URL Patterns of Inheritance

Read this brief introduction to genetics.

URL Mendel's Experiments

Gregor Mendel is considered the father of genetics, and for good reason. Mendel's experiments in simple genetics provide a foundation for modern genetics. Read this section to review Mendel's laws, and spend time reviewing the figures.

URL Laws of Inheritance

The laws of inheritance can be used to predict traits in offspring. Read this section to review these laws, and take time to review the figures to review the movement of traits to offspring.

URL Extensions of the Laws of Inheritance

Read this section to explore the laws of inheritance in more detail.

9.2: Heredity Page Heredity and Punnett Squares

Watch these lectures for an explanation of inheritance and genetics. Punnett Squares are named after the geneticist Reginald Punnett, who developed the method for predicting probabilities. Work the examples to practice Punnett squares. 

Page Pedigrees

Watch this brief lecture on pedigrees, which are the way we learn more about genetics in human populations. Pedigrees are useful in populations like these, where we cannot test in a controlled environment.

Page Sex-Linked Traits

Watch this lecture to review the unique inheritance patterns linked to sex-determining chromosomes.

10.1: DNA Replication and Synthesis Page DNA

Watch this lecture for a thorough review of DNA.

URL DNA Replication and Synthesis

Read these four sections from Module 10, which cover DNA replication and synthesis. Be sure to attempt the challenge section as well.

Page DNA Replication

Watch this brief video on DNA replication.

10.2: Transcription, Translation, and Synthesis URL DNA Transcription

Read these three sections from Module 11, which cover DNA replication and synthesis. Be sure to complete the activities in each section.

URL Translation

The process of protein synthesis begins with the process of translation.

URL Protein Synthesis

Read this section and complete the "Learn by Doing" and "Did I Get This" activities as you go.

10.3: Regulating Gene Expression URL How Genes Are Regulated

Read this section, which explores the regulation of genes and how gene regulation is used in cells.

10.4: DNA Technology Page Genes and Health – Moving Beyond Race

Watch this video and think about the topics from this course that are addressed in this project. As you watch, consider the following questions:

  • What disease are the scientists studying?
  • What is the hypothesis that the scientists hope to support?
  • What causes human genetic variation?
  • How do scientists determine ancestry?
  • In terms of asthma, what can scientists determine when they compare ancestral patterns?
  • How might these findings be used in the future?
Study Guide Book BIO101 Study Guide
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