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A new session of each course opens each month, allowing you to enroll whenever your busy schedule permits!

How does it work? Once a session starts, two lessons will be released each week, for the six-week duration of your course. You will have access to all previously released lessons until the course ends.

Keep in mind that the interactive discussion area for each lesson automatically closes 2 weeks after each lesson is released, so you’re encouraged to complete each lesson within two weeks of its release.

The Final Exam will be released on the same day as the last lesson. Once the Final Exam has been released, you will have 2 weeks plus 10 days to complete the Final and finish any remaining lessons in your course. No further extensions can be provided beyond these 10 days.

Week One

Lesson 01 - What Is Life?
Wednesday

In your first lesson, you'll get an introduction to the smallest living part of you: the cell. You'll discover the properties of life that you and your cells both have, and you'll see how cells combine to form the tissues and organs that make up your body. The lesson will also introduce the non-living components that make up cells, including molecules and atoms. Then you'll see how scientists sum up the most important facts about cells in cell theory. By the end of this lesson, you'll know why cells are the smallest units of life, and you'll understand how they make up all living things, including your body.

Lesson 02 - A Tour of Your Cells
Friday

In this lesson, you'll take an in-depth look at your cells and how they function. You'll consider why all life on Earth is based on cells. You'll take a look at the structures found in eukaryotic cells—the type of cells shared by you, other animals, plants, mushrooms, and seaweed—and explore how each structure contributes to the life of the cell as a whole. By the end of this lesson, you'll have a better understanding of how your cells work.

Week Two

Lesson 03 - What Makes Matter?
Wednesday

In Lesson 3, you'll discover the fundamental units of matter that make up the structure of every organism and the Earth itself. You'll explore the structure of atoms and learn about the attractions that form between atoms to create molecules. You'll also take a peek at the unique nature of the water molecules that cover 70% of the Earth's surface and flow within every living thing. By the end of this lesson, you'll have a gained a foundation in simple chemistry that will help you better understand symbols like H2O and CO2. You'll also have a basis for understanding more complicated molecules like carbohydrates, proteins, and DNA.

Lesson 04 - You Are What You Eat
Friday

In this lesson, you'll take a good look at the molecules that make up most of your body. You'll examine the structure of carbohydrates, lipids (fats and related molecules) and proteins, and learn exactly why your body needs all three of these types of molecules. By the end of this lesson, you'll have a better understanding of the value of carbohydrates, the difference between dangerous saturated fats and healthy unsaturated oils, and why you should choose lean protein to get your essential amino acids.

Week Three

Lesson 05 - To Protect and Serve: The Plasma Membrane
Wednesday

In Lesson 5, you'll explore the structure and function of one of the cell's most crucial parts: the plasma membrane. All life depends on this very important boundary between a cell and its environment! You'll start by examining the membrane's components and unique properties, which are perfectly suited to protecting the health and well-being of the cell. Then you'll take a look at the important jobs the membrane does for your cells, including screening materials, moving stuff in and out of the cell, and receiving messages. Finally, you'll see how materials cross the plasma membrane and why that's important to normal health. Along the way, you'll gain a better understanding of blood types, diabetes, and cystic fibrosis.

Lesson 06 - Getting the Job Done With Enzymes
Friday

In this lesson, you'll learn all about enzymes: what they are, what they do, and why they're important to cells and human health. You'll also get an introduction to chemical reactions and some fundamentals of human metabolism. By the end of this lesson, you'll know why you need vitamins and minerals in your diet. You'll also discover how humans can manipulate enzymes, targeting them in order to benefit or harm human health.

Week Four

Lesson 07 - Getting Energized From Cellular Respiration
Wednesday

In this lesson, you'll explore one of the most important parts of your metabolism: cellular respiration. Cellular respiration is the process that your cells use to get the energy they need to survive. You'll learn the fundamental laws that govern all energy exchanges, whether your cells or man-made machines perform them. By the end of this lesson, you'll understand the most important events that occur during cellular respiration, and you'll have new insights into why you breathe and why you sweat.

Lesson 08 - DNA: The Molecule of Life
Friday

In Lesson 8, you'll look at the most important molecule of life: DNA. You'll see how the genetic blueprints in DNA determine all of your unique traits. You'll also explore DNA's structure and learn about its powerful chemical code. By the end of the lesson, you'll know what the letters A, T, G, and C mean to biologists, and you'll have a better understanding of the importance of stem cells in medical research.

Week Five

Lesson 09 - How Do Cells Grow and Reproduce?
Wednesday

In Lesson 9, you'll explore how cells divide to make new cells for growth, repair, and sexual reproduction. You'll see how cells make exact copies of themselves during mitosis in order to grow or repair damage (such as a paper cut). The lesson will walk you through the process of mitosis to show you how cells get exactly the right number and types of chromosomes. Then you'll see how a special kind of cell division called meiosis is necessary to sexual reproduction and the human life cycle.

Lesson 10 - Principles of Inheritance
Friday

In Lesson 10, you'll find out how parents pass traits to their offspring. You'll explore how the genetic information from both parents interacts to determine which traits appear in each generation. By the end of this lesson, you'll have a better understanding of why people in families look like each other and why there is so much diversity in human traits like skin and eye color. You'll also know more about the inheritance of some genetic diseases.

Week Six

Lesson 11 - DNA Technology
Wednesday

In this lesson, you'll look at how biologists are delving into the mysteries of life by reading and manipulating the genetic code. You'll take a peek at some of the new DNA technology that's helping scientists test for and treat genetic diseases, engineer organisms, and solve crimes. You'll explore some of the issues this technology presents. By the end of this lesson, you'll have a better understanding of genetic testing, genetically modified organisms (GMOs), and how DNA is used in forensic science.

Lesson 12 - Understanding Cancer
Friday

In the final lesson of the course, you'll investigate how normal cells turn into cancer cells. You'll look at the changes that occur in cells as the disease progresses. You'll also explore how cancer treatments work and find out what lifestyle choices you can make to lower your cancer risks. By the end of this lesson, you'll have a better understanding of the biology behind cancer, as well as the risks, prevention strategies, and treatments for this disease.

 
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  • Learn a new skill or enhance existing skills for professional development or personal enrichment.
  • New sessions starting monthly with lessons and assignments released weekly.
  • 2-4 hours a week in a convenient six-week format.
  • Interactive learning environment. Classroom built around discussion areas where you can engage with classmates and instructors.
  • Expert instructors develop, lead, and interact with students in each course.
  • Award of completion from your learning institution with passing score.
  • Gain the knowledge needed to move forward with your education.
  • Start anytime. Access Granted upon registration.
  • Courses are designed to be completed within 6-12 weeks.
  • Interactive multi-media instruction with integrated assessment, allowing you to work at your own pace.
  • Professional instructors support you throughout your learning experience.
  • Confirmation of successful course completion.
  • Build industry skills or earn continuing education credits in a variety of fields.
  • Start Anytime. Access to all course material and assessments from day one.
  • Many tutorials can be completed in just a few hours.
  • Quick independent study. Learn something new or expand your knowledge while working at your own pace.
  • Material developed by industry leaders and student support offered.
  • Certificate of completion awarded with passing score.

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