The Franklin Institute
Franklin Institute Science Museum: Plastids
Bulleted info on chloroplasts, chromoplasts and leukoplasts.
Cells Alive
Cells Alive!: Plant Cell or Animal Cell
Take a peek inside a plant or animal cell, and examine the structure and function of each organelle.
Sophia Learning
Sophia: Cytoplasm: Lesson 3
This lesson will discuss the structure and function of the cytoplasm. It is 3 of 5 in the series titled "Cytoplasm."
Biology 4 kids
Biology4 Kids: Cytoplasm Filling Fluid
A short description of the important fluid inside all cells called cytoplasm.
Biology 4 kids
Biology4 Kids: Quiz: General Biology
Take this ten-question, general biology review quiz. Read more about each question after an incorrect answer is given.
Cells Alive
Cells Alive!: Puzzle Page
Try your hand at these interactive jigsaw puzzles while studying cell biology. Put together images of animal and plant cells, red blood cells, streptococcus, and naphthalene.
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.
CPALMS
Florida State University Cpalms: Florida Students: The Cell Theory
Learn how the Cell Theory defines living organisms.
CK-12 Foundation
Ck 12: Biology: Characteristics of Life
[Free Registration/Login may be required to access all resource tools.] Describes the characteristics of life.
Utah Education Network
Uen: Cell Structures Wee Beasties
In this activity you observe photographs of cells and then make comparisons of the animal and plant cells.
Nobel Media AB
The Nobel Prize: The Nobel Prize in Physiology or Medicine 1933
At this site from The Nobel Foundation you can read about Thomas Hunt Morgan, the scientist who won the Nobel Prize in Medicine "for his discoveries concerning the role played by the chromosome in heredity." This website is organized...
Sophia Learning
Sophia: Eukaryotic vs. Prokaryotic Cells
A slide-show presentation illustrating the differences between eukaryotic and prokaryotic cells.
Biology 4 kids
Biology4 Kids: Animal Systems
An overview of the structure and function of a complex, multicellular organism. This article discusses levels of organization and examples of systems.
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.
Open Curriculum
Open Curriculum: Organization of the Human Body
An illustrated article which helps students understand the levels of organization of the human body.
Nature Research
Scitable: Complexity of Gene Expression, and Cell Differentiation
An article describing cell complexity by examining the process of cell differentiation, regulation of gene expression by DNA, and the role of proteins in cell differentiation and systems biology. Each topic is discussed with details and...
BBC
Bbc: Gcse Bitesize: Cell Structure Aqa
This lesson focuses on structures in a animal cell and their functions. It also provides links to a video and a test.
BBC
Bbc: Gcse Bitesize: Cell Structure
This lesson focuses on bacteria cells including their structures and functions, cell structures in common with bacteria, plants and animals, and a comparison between Eukaryotic and prokaryotic cells. It also provides links to a video and...
BBC
Bbc: Gcse Bitesize: Mitosis and Cell Specialization
This lesson focuses on cell specialization. This cell must divide to produce a multi-cellular organism. It must also differentiate, so that its cells develop features that enable them to fulfil specific roles. Links are provided to a...
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.
TED Talks
Ted: Ted Ed: Making Sense of How Life Fits Together
Bobbi Seleski catalogs biology from our body and beyond, tracking how unicellular organisms, tissues, organs, organ systems, organisms, populations, communities, ecosystems, and our biosphere build off of each other and work together....
Other
Massengale's Biology Junction: Cell Functions
A chart which identifies each part of a cell, the location, the description, and the function.
eSchool Today
E School Today: Living Things Obtain and Use Energy
Learn how living things obtain and use energy.