CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Online activity covers the structure and function of nucleic acids. Students will learn about nucleotides, the different types of nitrogenous bases, and the...
CK-12 Foundation
Ck 12: Enzymes
[Free Registration/Login may be required to access all resource tools.] In this lesson, students will define enzyme, be able to discuss the role of enzymes in biochemical reactions, and summarize their importance to living organisms.
CK-12 Foundation
Ck 12: Enzyme Function
[Free Registration/Login may be required to access all resource tools.] This activity describes how enzymes speed up biochemical reactions and their importance to living organisms.
CK-12 Foundation
Ck 12: Cell Biology
[Free Registration/Login may be required to access all resource tools.] Cells make up all living things but not all cells look alike. This activity introduces cells, cell theory, and the levels of organization in organisms.
CK-12 Foundation
Ck 12: Prokaryotic and Eukaryotic Cells
[Free Registration/Login may be required to access all resource tools.] All cells are one of two types, prokaryotic or eukaryotic. Students will learn the structural differences between the two cells, be able to give examples, and...
CK-12 Foundation
Ck 12: Endosymbiosis the Evolution of Eukaryotes
[Free Registration/Login may be required to access all resource tools.] Learn about the evolution of eukaryotes which is explained by the endosymbiotic theory.
CK-12 Foundation
Ck 12: Common Parts of the Cell 1
[Free Registration/Login may be required to access all resource tools.] Online activity summarizes the cell theory, describes four parts all cells have in common, and the importance of the work of Robert Hooke and Anton van Leeuwenhoek.
CK-12 Foundation
Ck 12: Endoplasmic Reticulum, Golgi Apparatus, Vesicles and Vacuoles
[Free Registration/Login may be required to access all resource tools.] Overview of the structure and role of the endoplasmic reticulum, Golgi apparatus, vesicle, vacuole, and centriole. This tutorial also helps students distinguish...
CK-12 Foundation
Ck 12: Ribosomes and Mitochondria
[Free Registration/Login may be required to access all resource tools.] Activity explains the structure and function of ribosomes and mitochondria.
CK-12 Foundation
Ck 12: Chloroplasts
[Free Registration/Login may be required to access all resource tools.] Online tutorial presents an overview of chloroplasts and their structure. Explores the role of the chloroplast in photosynthesis and the significance of an electron...
CK-12 Foundation
Ck 12: Cytoplasm and Cytoskeletons
[Free Registration/Login may be required to access all resource tools.] Tutorial provides an overview of the roles and functions of the cytoplasm and cytoskeleton.
CK-12 Foundation
Ck 12: Diffusion
[Free Registration/Login may be required to access all resource tools.] Tutorial defines passive transport, semipermeable, and diffusion. Students will learn the significance of a concentration gradient and be able to list the three main...
CK-12 Foundation
Ck 12: Phospholipid Bilayers
[Free Registration/Login may be required to access all resource tools.] Tutorial describes the detailed structure and function of the plasma membrane, explains semipermeability, and summarizes the structure of a phospholipid.
CK-12 Foundation
Ck 12: Membrane Proteins
[Free Registration/Login may be required to access all resource tools.] Activity explores proteins in the plasma membrane describing their structure and function. The Fluid Mosaic Model is also summarized.
CK-12 Foundation
Ck 12: Osmosis
[Free Registration/Login may be required to access all resource tools.] Tutorial defines osmosis and the difference between osmosis and diffusion. Students will learn how to distinguish solute from solvent and solution and the hypotonic,...
CK-12 Foundation
Ck 12: Facilitated Diffusion
[Free Registration/Login may be required to access all resource tools.] In this activity students will learn about facilitated diffusion and the role of transport proteins, channel proteins, and carrier proteins.
CK-12 Foundation
Ck 12: Active Transport
[Free Registration/Login may be required to access all resource tools.] This tutorial serves as an introduction to active transport and explains how to distinguish active transport from facilitated diffusion.
CK-12 Foundation
Ck 12: Sodium Potassium Pump
[Free Registration/Login may be required to access all resource tools.] Tutorial explains the function of the sodium-potassium pump. Students will learn the difference between a concentration gradient and an electrochemical gradient.
CK-12 Foundation
Ck 12: Exocytosis and Endocytosis
[Free Registration/Login may be required to access all resource tools.] In this lesson, students will learn the difference between exocytosis and endocytosis and distinguish phagocytosis from pinocytosis. They will also be able to define...
CK-12 Foundation
Ck 12: Cellular Respiration
[Free Registration/Login may be required to access all resource tools.] Students are provided with an overview of cellular respiration and mitochondria. They will learn the role of cellular respiration and its three stages, describe the...
CK-12 Foundation
Ck 12: Fermentation
[Free Registration/Login may be required to access all resource tools.] Tutorial presents an overview of fermentation explaining its benefits. Students will be able to distinguish lactic acid fermentation from alcoholic fermentation and...
CK-12 Foundation
Ck 12: Glucose and Atp
[Free Registration/Login may be required to access all resource tools.] Students take a look at glucose and ATP. They will be able to explain the structure of ATP and will learn how ATP is a source of energy for a cell.
CK-12 Foundation
Ck 12: Glycolysis
[Free Registration/Login may be required to access all resource tools.] The steps and products of glycolysis are examined in this activity. Students will learn how and where the initial reactions of glycolysis occurs.
CK-12 Foundation
Ck 12: Krebs Cycle
[Free Registration/Login may be required to access all resource tools.] After studying the Krebs Citric Acid Cycle, students will be able to identify what happens to the product of glycolysis and explain the steps and results of the cycle.