The cellular equivalent of "it's grabbin' time." Actin filaments are protein structures that normally mind their business maintaining cell shape, but add calcium ions (Ca2+) to a muscle cell and suddenly they're contractile celebrities. The hands reaching for those emoji faces perfectly capture how these filaments frantically grab myosin during muscle contraction—nature's microscopic tug-of-war that lets you do everything from blinking to benchpressing. Next time your muscles twitch involuntarily, just remember: your actin filaments got a little calcium-happy.
They Do Be Grabbin'
actin-memes, muscle-memes, calcium-memes, biology-memes, cytoskeleton-memes | ScienceHumor.io
More Like This
See Ya Later, Cellular Alligator
8 months ago
16.7K views
0 shares
Science Isn't A Religion, It's A Process
9 months ago
30.9K views
0 shares
Loading more content...
Academia
Ai
Astronomy
Biology
Chemistry
Climate
Conspiracy
Earth-science
Engineering
Evolution
Geology