BiologyWise
Biology Wise: The Structure and Function of Ribosomes
Describes the structure of ribosomes and their function of synthesizing proteins within a cell.
BiologyWise
Biology Wise: Nuclear Membrane Function
Describes the structure and functions of the membrane surrounding a cell nucleus.
Texas Instruments
Texas Instruments: Cell Components
This StudyCards stack enables students to review the terms associated with the structures that comprise a living cell.
CK-12 Foundation
Ck 12: Biology: Membrane Proteins
[Free Registration/Login may be required to access all resource tools.] Describes proteins in the plasma membrane.
E-learning for Kids
E Learning for Kids: Science: Antarctica: How Are Living Things Described?
Learn about the different levels of organization in living things, from cells to organisms.
BiologyWise
Biology Wise: Gram Negative Bacteria
Learn about gram staining and the characteristics of gram-negative bacteria. A discussion of cell wall structure is accompanied by a labeled illustration. Includes a list of examples of gram-negative bacteria organized by subgroup....
BiologyWise
Biology Wise: An Overview of the Difference Between Nadh and Nadph
NADH and NADPH are enzymes involved in cellular processes. Explains how NADH participates in catabolic reactions where energy is released and NADPH is involved in anabolic reactions where energy is consumed. Their functions and chemical...
BiologyWise
Biology Wise: Chromosomes: The Carriers of Genetic Information
Explains what chromosomes are, their structure, their functions within a cell, and the health impact of mutations in a gene sequence.
ClassFlow
Class Flow: Plant and Animal Cells
[Free Registration/Login Required] This flipchart is intended to introduce plant and animal cells to fifth graders. Pictures, a web link, and several opportunities for student participation are included. An end-of-lesson assessment is...
BiologyWise
Biology Wise: What Is the Nucleolus?
The characteristics, structure, and functions of the nucleolus are described.
BiologyWise
Biology Wise: Centriole Functions
Describes the structure and functions of centrioles within a cell.
BiologyWise
Biology Wise: The Smooth Endoplasmic Reticulum and Its Functions
The endoplasmic reticulum is found in eukaryotic cells. The characteristics and functions of the smooth endoplasmic reticulum are described and it is then compared with the rough endoplasmic reticulum.
Khan Academy
Khan Academy: Cell Cell Junctions
Learn about the different types of intercellular junctions, including plasmodesmata, tight junctions, gap junctions, and desmosomes.
University of Tulsa
University of Tulsa: Cell Energetics
This is the index page for a slide series on cell energetics. Among the topics covered in the series is the role of enzymes in the metabolic process. Use the topic list to go straight to any slide.
CK-12 Foundation
Ck 12: Life Science: Organelles
[Free Registration/Login may be required to access all resource tools.] All organelles are found in eukaryotic cells, while most are not found in prokaryotic cells. Learn more about organelles in this learning module produced by CK-12.
BiologyWise
Biology Wise: Rough Endoplasmic Reticulum and Cell Metabolism
The characteristics of the rough endoplasmic reticulum are described and its role in protein synthesis, including creating proteins, folding them, transporting them, and checking them for quality.
BiologyWise
Biology Wise: Facts About Chloroplast
Explains how chloroplasts evolved into their present form, how photosynthesis takes place in them, where they are found in plants, physical characteristics, and other functions they perform.
Curated OER
Cell Biology: Online Onion Root Tips
Online mitosis activity offers the student the opportunity to identify, classify, calculate, and graph the phases of mitosis. Explanations of each phase, actual cells are displayed for classifing and gathering data in this comprehensive...
Khan Academy
Khan Academy: Signal Relay Pathways
Learn how signals are relayed inside a cell starting from the cell membrane receptor. Look at the general characteristics of intracellular signal transduction pathways, as well as some relay mechanisms commonly used in these pathways.
Khan Academy
Khan Academy: Response to a Signal
Article takes a look at examples of the different ways cells can change their behavior in response to a signal at both the "micro" and "macro" levels.
Other
Molecular Movies: 3 D Tutorials for Biologists
A collection of visualization-oriented tutorials for creating 3D animations for use in your biology classroom. Search by difficulty level, software package, or 3D topic area.
Khan Academy
Khan Academy: Prokaryote Reproduction and Biotechnology
Learn how prokaryotes reproduce by binary fission, and find out the use of E. coli bacteria in molecular biology.
BiologyWise
Biology Wise: The Structure and Functions of a Cell Nucleus
The parts of a cell nucleus are described along with a list of the functions of a cell nucleus.