National Institutes of Health
National Institutes of Health: Cell Biology and Cancer [Pdf]
Learners examine the major biological concepts related to the development and impact of cancer. The resource consists of a web version of the supplement, state standards, and downloadable materials.
BiologyWise
Biology Wise: Reproduction in Fungi
Presents interesting facts about fungi and describes how they reproduce both sexually and asexually.
BiologyWise
Biology Wise: Cellular Respiration in Plants
Explains what cellular respiration is, its function, and the three stages it goes through when it takes place in a cell.
BiologyWise
Biology Wise: Platyhelminthes Reproduction
Describes the characteristics of Platyhelminthes, or flatworms, and how they reproduce.
BiologyWise
Biology Wise: Mitochondria Functions
Describes the structure and functions of the mitochondria.
BiologyWise
Biology Wise: What Is Anaerobic Respiration?
Explains what anaerobic cellular respiration is and how it differs from aerobic respiration. Discusses what this looks like in muscle cells, what the steps are, and the formula for anaerobic respiration.
University of Arizona
Biology Project: Cell Cycle and Mitosis Tutorial: Dna Basics
Tutorial on DNA basics that goes along with an online quiz over the material. Use the naviagation buttons at the bottom of the page to go to the quiz over the material.
Other
Reproduction in Plants and Animals
Reproduction in Plants and Animals. The ability to produce more organism similar to themselves is a very important characteristic of all living organisms. The process by which they do so is known as reproduction. [0:21]
Estrella Mountain Community College
Estrella Mountain College: Cell Division and Meiosis
Resource provides a holistic and complete meiosis lesson with illustrations, animations, glossary, and links. Extremely detailed and helpful site.
Curated OER
Illustration of the Stages of Cell Cycle
Has explanations, illustrations, and a Quick Time movie to download. Also contains practice test questions that are answered online.
Colorado State University
Colorado State: Insect Parasitic Nematodes
This site provides a general overview of the Insect Parasitic Nematodes (a small round worm). Content includes a look at this worm's life cycle and its benefit/impact on the environment as biological insect control.
Morning Earth
How Life Works: Biosphere Is Process: Animal & Plant Gas Exchange
Scholars explore the biology concept of the oxygen cycle. The tutorial consists of definitions and pictures about animal and plant gas exchange.
PBS
Pbs Teachers: Scientific American: Life's Little Questions: Can You Beat Jet Lag
Explore the human body's need for a normal cycle of dark and light and apply this to an understanding of biological clocks in other animals. Test the effect of light on the development of mealworm larvae into adults.
PBS
Pbs Teachers:biodome
Investigate biological systems that support plant life by constructing a self-sufficient, enclosed environment for growing plants.
ClassFlow
Class Flow: Glycolysis
[Free Registration/Login Required] Students launch themselves in to the three main stages of respiration in this Three Part Series. Glycolysis harvests chemical energy by oxidizing glucose to pyruvate. The Krebs Cycle and the electron...
ClassFlow
Class Flow: Cellular Respiration
[Free Registration/Login Required] This is a comprehensive, engaging overview of catabolic pathways that yield energy by oxidizing organic fuel. Students explore redox reactions, oxidation, reduction, and preview the stages of cellular...
Science Buddies
Science Buddies: Nitrogen Fixing Bacteria and Nitrogen Fertilizers
Plants need nitrogen to build proteins and nucleic acids to grow healthy stems and leaves. Though the Earth's atmosphere is made up of 79% nitrogen, the form of nitrogen found in the atmosphere cannot be used by plants. In this...
Khan Academy
Khan Academy: Apoptosis
Learn about programmed cell death and how it is different from necrosis, cell death due to injury.
Vision Learning
Visionlearning: Energy in Living Systems: Generation of Atp
Explanation of biochemical processes in cells during metabolism. Focus is on the generation of ATP.
Vision Learning
Visionlearning: Energy in Living Systems: Harnessing the Energy of the Sun
Background information on the history of photosynthesis. An explanation for how light is used to assist in making food for plants as the transfer of electrons allows energy to flow through the system.
Vision Learning
Visionlearning: Energy in Living Systems: Energy Metabolism I
Detailed explanation of how food is broken down and metabolized in our bodies to be used for energy.
CK-12 Foundation
Ck 12: Meiosis
[Free Registration/Login may be required to access all resource tools.] How do you make a cell with half the DNA? Meiosis. This activity outlines the phases of meiosis, provides an overview of sexual reproduction, and describe how...
CK-12 Foundation
Ck 12: Virus Replication
[Free Registration/Login may be required to access all resource tools.] How do viruses replicate? In this lesson, students will learn how a virus produces new copies of itself.
Khan Academy
Khan Academy: Regulation of Cellular Respiration
This article investigates how cellular respiration can be sped up or slowed down in response to ATP levels and other metabolic signals.