OpenStax
Open Stax: Anatomy & Physiology: Adaptive Immune Response: B Lymphocytes
Students will learn the structure and function of B-cells and the antibody classes and their functions.
Khan Academy
Khan Academy: Passive Transport & Active Transport Across Cell Membrane Article
The cell membrane is one of the great multi-taskers of biology. It provides structure for the cell, protects cytosolic contents from the environment, and allows cells to act as specialized units. Learn how the membrane functions to...
BiologyWise
Biology Wise: Centriole Functions
Describes the structure and functions of centrioles within a cell.