National Institutes of Health
Ncbi: The Molecular Biology of the Cell: The Chemical Components of a Cell
Advanced chapter of the book "The Molecular Biology of the Cell" describes and provides illustrations of our most current understanding of the chemical makeup of cells and their components. Explains in detail how electron activity keeps...
University of Washington
Genome Sciences Education Outreach: Sickle Cell Anemia [Pdf]
Students will use a Sickle Cell Anemia case study to learn about allele frequencies, genetics, and molecular biology.
Khan Academy
Khan Academy: Cell Cycle Checkpoints
Learn how cells use checkpoints to regulate the cell cycle. This article provides an overview of cell cycle control, outlining the factors that influence a cell's decision to pause or progress at each checkpoint.
Khan Academy
Khan Academy: Cell Cycle Regulators
This article looks at a few of the most important core cell cycle regulators: proteins called cyclins, enzymes called Cdks, and an enzyme complex called the APC/C.
Khan Academy
Khan Academy: Prokaryote Reproduction and Biotechnology
Learn how prokaryotes reproduce by binary fission, and find out the use of E. coli bacteria in molecular biology.
BiologyWise
Biology Wise: Molecular Mechanism of Receptor Mediated Endocytosis
Endocytosis enables cells to absorb extracellular nutrients that are needed for their survival. In receptor-mediated endocytosis, a protein receptor on the cell membrane binds to a nutrient molecule and facilitates its absorption through...
Khan Academy
Khan Academy: Chromosomes
This informative resource features an overview of genetic material: DNA, chromosomes, genomes, homologous chromosomes, sister chromatids, and haploid/diploid.
Khan Academy
Khan Academy: Protein Targeting
Learn how molecular labels are used to direct proteins to different parts of the cell and to the cell exterior.