More Lessons for Biology
A collection of videos and experiments that are suitable for Biology.
This video describes the process by which an antigen presenting cell interacts with a T cell.
This video describes the cellular signaling that takes place with the T cell receptor.
Uptake of Bacteria by Phagocytes
The uptake of bacteria by phagocytes is an active process, which requires the triggering of specific receptors on the phagocyte. Fc receptors, which bind antibody-coated bacteria, are one of the receptors capable of triggering phagocytosis.
Rotate to landscape screen format on a mobile phone or small tablet to use the Mathway widget, a free math problem solver that answers your questions with step-by-step explanations.
You can use the free Mathway widget below to practice Algebra or other math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.