CK-12 Foundation
Ck 12: Biology: Blood
[Free Registration/Login may be required to access all resource tools.] Defines and describes red blood cells and white blood cells, and describes the roles of platelets.
CK-12 Foundation
Ck 12: Biology: Common Parts of the Cell
[Free Registration/Login may be required to access all resource tools.] Describes four parts all cells have in common.
CK-12 Foundation
Ck 12: Biology: Plant Cells
[Free Registration/Login may be required to access all resource tools.] Overview of plant cells and the unique structures found in plants cells only.
CK-12 Foundation
Ck 12: Biology: Nerve Cells
[Free Registration/Login may be required to access all resource tools.] Describes the structure and types of neurons.
BiologyWise
Biology Wise: Similarities Between Plant and Animal Cells
Presents labeled illustrations of a plant cell and an animal cell which demonstrate the parts that are common and different. Next is a table listing cell organelles and stating whether each is present or absent in a plant or animal cell....
BiologyWise
Biology Wise: How Does Autophagy Occur in a Cell
The different types of autophagy are broken down and described, including macroautophagy, microautophagy, and chaperone-mediated autophagy. The role of autophagy in cell death is also discussed.
BiologyWise
Biology Wise: Diagram of Plant Cell and Functions of Its Organelles
Provides a labeled diagram of a plant cell and descriptions of the characteristics and functions of many of its organelles.
Ohio State University
Ohio State University: Plant Cell Division and Cell Walls
A useful review of plant meristems, growth and cell wall construction. Good illustrations make for easy to understand information.
McGraw Hill
Glencoe Biology: Cellular Transport: Self Check Quiz
Answer five multiple-choice quiz questions about the different types of cellular transport.
BiologyWise
Biology Wise: Types of Protists
Explains what types of organisms are in the kingdom Protista and describes the different types of protists in five broad categories and in their sub-categories.
BiologyWise
Biology Wise: Endoplasmic Reticulum Analogy
The endoplasmic reticulum is compared to a manufacturing plant with an assembly line to help students understand the functions of this important cell organelle.
Khan Academy
Khan Academy: Ligands & Receptors
Article looks at different types of receptors and ligands, seeing how they interact to turn information from outside the cell into a change inside the cell.
CK-12 Foundation
Ck 12: Biology: Organization of the Human Body
[Free Registration/Login may be required to access all resource tools.] Introduces cells, tissues, organs, and organ systems in the human body.
BiologyWise
Biology Wise: Basic Unit of Life: Plant Cell Structure and Functions
Describes the three types of plant cells and their differences, and the structures within a plant cell and their functions.
CK-12 Foundation
Ck 12: Life Science: Prokaryotic and Eukaryotic Cells
[Free Registration/Login may be required to access all resource tools.] There are two basic types of cells, prokaryotic cells and eukaryotic cells. The main difference between eukaryotic and prokaryotic cells is that eukaryotic cells...
CK-12 Foundation
Ck 12: Life Science: Nerve Cells and Nerve Impulses
[Free Registration/Login may be required to access all resource tools.] The nervous system is made up of nerves. A nerve is a bundle of nerve cells. A nerve cell that carries messages is called a neuron. The messages carried by neurons...
BiologyWise
Biology Wise: Different Types of Bacteria
Discusses the different criteria used to classify bacteria and the groups of bacteria within each category. Groups are organized by characteristics such as morphology, shape, cell wall structure, and presence of flagella.
BiologyWise
Biology Wise: Functions of Vesicles
Describes the characteristics of vesicles and the functions they perform in a cell based on which type they are.
Khan Academy
Khan Academy: Overview: Eukaryotic Gene Regulation
Get the big picture of eukaryotic gene regulation, and learn how different genes are expressed in different cell types.
Ducksters
Ducksters: Biology for Kids: Plants
Find some information about plants on this site. Learn about the science of biology including the cell, what makes a plant, types of plants, fun facts, and the basic structure.
National Health Museum
Access Excellence: Using Bubbles to Explore Cell Membranes
An inquiry type lab activity that simulates cell membrane structure and function. This activity can be used in any Life Science or Biology classroom.
BiologyWise
Biology Wise: What Is Nondisjunction and What Are Its Effects?
Nondisjunction is when homologous chromosomes or sister chromatids fail to separate normally during cell division. What it is and how this happens are explained here, as well as what can cause it and what impact it has on human health.
BiologyWise
Biology Wise: Main Functions of the Vacuole
Information about the functions vacuoles perform in different types of organisms.
Khan Academy
Khan Academy: The Cytoskeleton
There are three types of protein fibers in the cytoskeleton: microfilaments, intermediate filaments, and microtubules. This resource examines each type of filament, as well as some specialized structures: flagella, cilia, and centrosomes.