That Quiz
That Quiz: Celulas
Free interactive practice tests aid in learning the Prokaryote Endomembrane system, Cell membrane, Plant cell, Animal cell and Neuron cell. Tests are timed and keep track of right and wrong answers.
BiologyWise
Biology Wise: Nuclear Membrane Function
Describes the structure and functions of the membrane surrounding a cell nucleus.
CK-12 Foundation
Ck 12: Life Science: Cell Nucleus
[Free Registration/Login may be required to access all resource tools.] The nucleus is only found in eukaryotic cells. It contains most of the genetic material of the cell. It is surrounded by a double membrane, or nuclear envelope, that...
Sophia Learning
Sophia: Endocytosis and Exocytosis: Lesson 3
This lesson introduces the processes of endocytosis and exocytosis, both processes which move larger molecules in and out of the cell, by way of vacuoles. It is 3 of 4 in the series titled "Endocytosis and Exocytosis."
Sophia Learning
Sophia: Endocytosis and Exocytosis: Lesson 4
This lesson introduces the processes of endocytosis and exocytosis, both processes which move larger molecules in and out of the cell, by way of vacuoles. It is 4 of 4 in the series titled "Endocytosis and Exocytosis."
Sophia Learning
Sophia: Endocytosis and Exocytosis: Lesson 1
This lesson introduces the processes of endocytosis and exocytosis, both processes which move larger molecules in and out of the cell, by way of vacuoles. It is 1 of 4 in the series titled "Endocytosis and Exocytosis."
CK-12 Foundation
Ck 12: Biology: Phospholipid Bilayers
[Free Registration/Login may be required to access all resource tools.] Describes the structure and function of the plasma membrane.
CK-12 Foundation
Ck 12: Biology: Phospholipid Bilayers
[Free Registration/Login may be required to access all resource tools.] Describes the structure and function of the plasma membrane.
Other
Golgi Complex: Structure and Function
How do proteins move to the Golgi Complex? What types of secretion are controlled by the Golgi complex? How does Golgi complex regulate the insertion of plasma membrane proteins? Can proteins be transported back to the rough endoplasmic...
TeachEngineering
Teach Engineering: Keepers of the Gate
Through two lessons and five activities, students explore the structure and function of cell membranes. Specific transport functions, including active and passive transport, are presented. In the legacy cycle tradition, students are...
OpenStax
Open Stax: Anatomy and Physiology: Types of Tissues
The term tissue is used to describe a group of cells found together in the body. Although there are many types of cells in the human body, they are organized into four broad categories of tissues: epithelial, connective, muscle, and...
University of Colorado
University of Colorado: Ph Et Interactive Simulations: Neuron
Stimulate a neuron and monitor what happens. Pause, rewind, and move forward in time in order to observe the ions as they move across the neuron membrane.
Sophia Learning
Sophia: Facilitated Diffusion: Lesson 3
This lesson explains the process of facilitated diffusion, explaining that it is a passive form of transport which uses protein channels to move larger molecules down their concentration gradient. It is 3 of 9 in the series titled...
Sophia Learning
Sophia: Facilitated Diffusion: Lesson 4
This lesson explains the process of facilitated diffusion, explaining that it is a passive form of transport which uses protein channels to move larger molecules down their concentration gradient. It is 4 of 9 in the series titled...
Sophia Learning
Sophia: Facilitated Diffusion: Lesson 5
This lesson explains the process of facilitated diffusion, explaining that it is a passive form of transport which uses protein channels to move larger molecules down their concentration gradient. It is 5 of 9 in the series titled...
Sophia Learning
Sophia: Facilitated Diffusion: Lesson 1
This lesson explains the process of facilitated diffusion, explaining that it is a passive form of transport which uses protein channels to move larger molecules down their concentration gradient. It is 1 of 9 in the series titled...
Other
Society for General Microbiology: Bacteria
Bacteria are single celled microbes. The cell structure is simpler than that of other organisms as there is no nucleus or membrane bound organelles. Instead their control centre containing the genetic information is contained in a single...
Chem4kids
Chem4 Kids: Acids in Proteins
The first thing you might be asking is, "What is an amino acid?" There are more than fifty, and each one of them is a little different. Amino acids are used in every cell of your body to build the proteins you need to survive. All...
Khan Academy
Khan Academy: Biosignaling Questions
Practice for the MCAT with these questions about biosignaling.
McGraw Hill
Mc Graw Hill: Epithelial Tissue
The structure and function of epithelial tissues and basements membranes are explained in this concise site.
Other
Fundamentals of Reverse Osmosis
This site provides a basic definition of reverse osmosis, with a bit of a slant on why water pretreatment is important.
University of Hamburg
University of Hamburg: Chloroplasts and Other Plastids
This site provides detailed information on chloroplasts. Explains the many duties that chloroplasts perform and why they are so important. Good diagrams.
Sophia Learning
Sophia: Ear Anatomy and Hearing
This lesson will give an overview of the anatomy of the human ear.