a more suggestive cutoff

and some regular book stacks! I’m much belated but thank you @artassignment

another

what’s not in the frame @johngreen @artassignment

how do I

my most terrifying suspicion is that it takes a human lifetime to figure out what to do with a human lifetime

One of my favorite parts of traveling with my family...

"Every healthy person would’ve had to contribute to the acquisition of food and water. And yet somehow, they still made time to create art, almost as if art isn’t optional for humans." https://t.co/BD6nDaKQHK

Cyclic AMP and allalactose, responsible respectively for the positive and negative regulation of the famous lac operon. This tandem feedback loop is one of the most beautiful things I’ve learned about in #apbio . Also featured: tryptophan, the corepressor of the trp operon.

Tenían que dejar sus casas, sus vecindarios, sus trabajos, sus vidas. 80.000 de ellos sólo habían conocido una vida bajo la bandera estrellada - pero ahora, a causa del color de su pelo y la apariencia de su cara, fueron tratados como enemigos en su propio hogar. #追憶の日

DNA methylation, a process responsible for (among other things) genomic imprinting and X-chromosome inactivation. Contemplating why modeling #apbio with #snatoms gives me so much joy prompted me to remember what someone once told me: Biology is chemistry with meaning.

A,U,G, START! 🚦 Methionine, the amino acid whose codon (adenine, uracil, guanine) initiates mRNA translation in eukaryotes and archaea. Not all heroes wear capes. Some brave pioneers just lead the way in polypeptide synthesis. #apbio @ewilliamsedu @veritasium

The chance to play with #snatoms is how I reward myself after taking notes on #lacticacidfermentation for #apbio. As a track and cross country runner, it’s also a symbolic victory to master this perennial foe.

From a @SciShowTangents poem: “The moon was once the earth, the earth was once the moon. To bridge that gap, life evolved, from algae to baboons. It took four billion years to cross that ocean once again, but - with will and ingenuity - we did that thing, my friends.”

The final accounting! 6 #H2O, 6 #CO2, 30-32 #ATP! #CellularRespiration #Snatoms @ewilliamsedu Corrections of earlier tweets: -Forgot to include the net 2 ATP production of glycolysis. -Counted “FADH” instead of #FADH2 in citric acid cycle

Oxidative phosphorylation: Stepwise redox reactions of electrons from #NADH and #FADH2 to #H2O coupled through chemiosmosis with ATP synthesis. Payoff from this step: 28 #ATP 💵 💵 💵 #CellularRespiration #OxidativePhosphorylation #ElectronTransportChain @ewilliamsedu

Eight-step citric acid / tricarboxylic acid / Krebs cycle in before/after photos. Payoff from this step: 6 #NADH, 2 #FADH, 2 #ATP. On to the #electrontransportchain! #APbio #CellularRespiration #snatoms @ewilliamsedu

Three-step enzymatically catalyzed oxidation of pyruvate to #AcetylCoA. Payoff from this step: 2 #NADH. On to the citric acid / Krusty Krab cycle! #APbio #snatoms #cellularrespiration @ewilliamsedu

#Glycolysis in #APbio, modeled with #snatoms by @veritasium. Our payoff so far: 2 #ATP, 2 #NADH #pyruvate #cellularrespiration @ewilliamsedu

Waking up to a sunrise like this, anything feels possible.