Blog

Cell Membranes and Selective Permeability
Every cell needs a boundary that separates its internal contents from the outside worl
Continue Reading
The Golgi Apparatus and Protein Trafficking
Once a protein leaves the endoplasmic reticulum, it isn't finished yet, and it definit
Continue Reading
Mitochondria: The Powerhouse Reexamined
"The mitochondria is the powerhouse of the cell" might be the most repeated sentence in all of biology education, and it's not wrong, but it bare
Continue Reading
The Endoplasmic Reticulum: The Cell's Manufacturing Hub
Tucked inside nearly every eukaryotic cell is a sprawling network of folded membranes that can acc
Continue Reading
Telomeres and the Biology of Aging
Every time a human cell divides, its chromosomes lose a small amount of DNA from their very tips. If this loss ate into actual g
Continue Reading
RNA Interference: Silencing Genes Naturally
Most explanations of gene expression focus on turning genes on, through [transcription factors](/bl
Continue Reading