National Health Museum
Access Excellence: Human Chromosomes
This map from Access Excellence shows human chromosome pairs. The site includes a short description of chromosome structure, staining of chromosomes and karyotypes.
Department of Defense
Do Dea: Biology: Unit 3: Cell Structure
In this third unit of a Biology course, students learn about cells and cell structure. They compare prokaryotic and eukaryotic cells and learn about the specialized structures in a cell and what their functions are. They will also learn...
Khan Academy
Khan Academy: Biology: Structure of a Cell: Introduction to Eukaryotic Cells
An article reviewing the structure of eukaryotic cells. Learn how the cells have a nucleus, organelles, and chromosomes.
CK-12 Foundation
Ck 12: Biology: Human Chromosomes and Genes Study Guide
This comprehensive study guide covers the main terms and concepts needed for a unit on human chromosomes and genes.
BiologyWise
Biology Wise: Types of Chromosomes
Discusses the functions of chromosomes, features of their structure, and different types of chromosomes.
Khan Academy
Khan Academy: Test Prep: Mcat: Biomolecules: Dna: Dna Structure and Function
Provides detailed explanation of DNA's structure and function. Includes illustrations.
Nature Research
Scitable: Nucleic Acid Structure and Function
Get an in-depth look at the importance of DNA with this library of information on nucleic acid structure and function. Understand the structure and function of DNA by exploring topics in the chemical structure of DNA, organization of DNA...
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.
Cold Spring Harbor Laboratory
Dna From the Beginning: Chromosome Mapping
Alfred Sturtevant will describe his gene mapping research with fruit flies. This animated explanation will show how he bred fruit flies to determine the proximity of genes.
Mocomi & Anibrain Digital Technologies
Mocomi: What Is a Chromosome?
Defines chromosomes, what they are made of, their structure, different types, and chromatids.
BiologyWise
Biology Wise: Facts About Human Chromosomes
Presents information about human chromosomes, their structure, and genetic disorders that can result from mutations.
Palomar Community College District
Palomar College: Basic Cell Structure
This site will introduce the basics of the cell. Learn about the essential cell function, chromosomes, and the basic structure.
Bio Topics
Bio Topics: Cell Structure
An online worksheet exploring the cell structure and cell specialization. Worksheet includes diagramming and fill in the blank opportunities related to cell structure.
National Health Museum
Access Excellence: Dna Structure
Access Excellence provides an interesting graphic which shows the helical structure of DNA from the molecular to chromosomal scale.
Other
North Dakota State: Dna Structure
A brief text overview of DNA structure and an introduction or mention of the various forms of DNA.
Howard Hughes Medical Institute
Hhmi: Bio Interactive: Structure and Function of Telomeres
Discover the cutting edge research going on with telomeres. Find out what they are, how they replicate and their role in the aging process.
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.
Cold Spring Harbor Laboratory
Dolan Dna Learning Center: Dna Molecule: How Dna Is Packaged Advanced
An animated tutorial showing how each chromosome consists of one continuous thread-like molecule of DNA coiled tightly around proteins. [1:42]
CK-12 Foundation
Ck 12: Biology: Cell Nucleus
[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of the nucleus.
Khan Academy
Khan Academy: Nucleus and Ribosomes
Discussion in detail of the structure and function of the nucleus and ribosomes of a cell and how they work together in the production of proteins.
University of Hamburg
University of Hamburg: Microtubules
Discussion of the size and structure of the microtubules in a cell. Links within the text take students to images and schematics.
National Health Museum
Access Excellence: Graphics Gallery of Biotechnology
This site provides simple diagrams on all major topics in cell biology, genetics and biotechnology.
CK-12 Foundation
Ck 12: Cell Nucleus
[Free Registration/Login may be required to access all resource tools.] Covers the structure and function of the nucleus. Students will learn about the structures associated with the nucleus like the nuclear envelop, the nucleolus,...
Cold Spring Harbor Laboratory
Dna From the Beginning
At DNA from the Beginning, choose from classical genetics, molecules of genetics, genetic organization and control. Each concept is explained through animation, an image gallery, video interviews, biographies and links.