Biology 4 kids
Biology4 Kids: Ribosomes Protein Construction Teams
A short piece of informational text which explains the structure and function of ribosomes in a cell.
CK-12 Foundation
Ck 12: Life Science: Archaea
[Free Registration/Login may be required to access all resource tools.] For many years, archaea were classified as bacteria. Like the bacteria, archaea lacked a nucleus and membrane-bound organelles and, therefore, were prokaryotic...
BiologyWise
Biology Wise: Facts About Cytoplasm
Describes the composition of cytoplasm, its functions, the cell organelles suspended in it and what their functions are, and lots of other information about this vital cell component.
OpenStax
Open Stax: Structural Organization of the Human Body
Try considering the structures of the body in terms of fundamental levels of organization that increase in complexity: subatomic particles, atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms and biosphere....
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.
BiologyWise
Biology Wise: Vacuole Analogy
Explains what vacuoles are and what their functions are in animal cells and plant cells, and offers analogies to help students understand their different roles.
BiologyWise
Biology Wise: The Major Functions of Lysosomes
Explains what lysosomes are, the different functions they perform in a cell, and what can happen when they become dysfunctional.
Sophia Learning
Sophia: Lysosome: Lesson 2
This lesson will discuss the structure and function of the lysosome. It is 2 of 4 in the series titled "Lysosome."
Sophia Learning
Sophia: Lysosome: Lesson 3
This lesson will discuss the structure and function of the lysosome. It is 3 of 4 in the series titled "Lysosome."
BiologyWise
Biology Wise: Lysosome Analogy
Presents information about lysosomes and offers analogies to help students recall their functions in a cell.
BiologyWise
Biology Wise: Vacuole Facts
Presents information about vacuoles and offers analogies to help students recall their functions in a cell.
BiologyWise
Biology Wise: Mitochondrial Matrix
Discusses the structure of the matrix inside a mitochondrion and how hundreds of concentrated enzymes are held there. The matrix takes part in mitochondrial functions such as the Krebs cycle, the electron transport chain, ATP synthesis,...
BiologyWise
Biology Wise: Main Functions of the Vacuole
Information about the functions vacuoles perform in different types of organisms.
Sophia Learning
Sophia: 8 Levels of Organization: Lesson 2
This lesson will show the 8 levels of organization in living organisms, ranging from smallest to largest. It is 2 of 4 in the series titled "8 Levels of Organization."
Sophia Learning
Sophia: 8 Levels of Organization: Lesson 4
This lesson will show the 8 levels of organization in living organisms, ranging from smallest to largest. It is 4 of 4 in the series titled "8 Levels of Organization."
Sophia Learning
Sophia: 8 Levels of Organization: Lesson 1
This lesson will show the 8 levels of organization in living organisms, ranging from smallest to largest. It is 1 of 4 in the series titled "8 Levels of Organization."
Other
Life Science Connections: Protists
This concise site provides a brief description of the Protist Kingdom. In addition, you will find an explanation of the role of various organelles found in the cell.
CK-12 Foundation
Ck 12: Life Science: Protist Characteristics
[Free Registration/Login may be required to access all resource tools.] Protists are eukaryotes, which means their cells have a nucleus and other membrane-bound organelles. Most protists are single-celled. Other than these features, they...