Catalysis Memes

Posts tagged with Catalysis

Why SHE Is Coated In Black (Pt)

Why SHE Is Coated In Black (Pt)
Chemistry exam questions getting weirdly personal about platinum! The question is about why SHE (Standard Hydrogen Electrode) is coated with black platinum - it's to increase surface area and roughness for better catalytic activity. But written this way, it sounds like someone's gossiping about a woman's fashion choices! Chemistry professors sneaking in dad jokes since the dawn of periodic tables. Next question: "Why does Na never text back? Too reactive in relationships!"

The Biochemical Third Wheel

The Biochemical Third Wheel
The eternal biochemical tragedy in three acts: Substrate approaches enzyme for a productive reaction, only to find enzyme already cozied up with inhibitor. Substrate dejectedly walks away, dreams of catalysis crushed. Just another day in metabolic pathway rejection. Scientists spend years developing enzyme inhibitors for medications, but nobody ever considers the substrate's feelings.

The Competition Is Strong Here, But We Clearly Know Who's Getting To See That Active Site Tonight

The Competition Is Strong Here, But We Clearly Know Who's Getting To See That Active Site Tonight
Biochemistry dating drama at its finest! The enzyme is clearly eyeing that substrate while the competitive inhibitor sits there helplessly. In enzymatic reactions, competitive inhibitors and enzymes both fight for the substrate's active site—but the enzyme usually wins due to its perfect molecular fit. That substrate is about to experience some serious conformational change tonight while the inhibitor is left wondering why it spent all that energy on binding affinity just to get ghosted. Molecular third-wheeling has never been so awkwardly relatable!

Haber Process, More Like Nitrogenase

Haber Process, More Like Nitrogenase
Chemists spend weeks perfecting reactions with expensive equipment and hazardous conditions, while bacteria just casually flex with nitrogenase enzymes fixing nitrogen in milliseconds. The Haber Process requires 450°C, 200 atmospheres of pressure, and iron catalysts to make ammonia. Meanwhile, bacteria are doing the same thing at room temperature with their enzyme toolkit. It's like comparing someone building a house with hand tools versus a 3D printer that spits out mansions. Nature's been optimizing these reactions for billions of years while we're still figuring out the instruction manual.

Mechanism Of Enzyme Activity

Mechanism Of Enzyme Activity
This cheeky diagram perfectly captures enzyme kinetics with an unforgettable analogy! The "lock-and-key" model of enzyme action gets a hilariously crude makeover here. First, the substrate (balls) approaches the enzyme (sack). Then the enzyme-substrate complex forms ("ballsack activated"), followed by the catalytic reaction and release of products (free balls). The enzyme returns to its original state, ready for another round of catalysis. Biochemistry professors everywhere are simultaneously cringing and secretly saving this for their next lecture.

Active Site-Blocked

Active Site-Blocked
Classic competitive inhibition in action. The enzyme's trying to bind with its substrate, but the inhibitor molecule swoops in and blocks the reaction. Just like that awkward moment when you're about to talk to someone at a conference and a more charismatic researcher interrupts. The substrate's facial expression says it all - "I was literally just about to catalyze that reaction." Meanwhile, the enzyme is left with nothing but unfulfilled active sites and regret.

Enzymes Be Like: Perfect Fits Only

Enzymes Be Like: Perfect Fits Only
These people in blue tracksuits are the perfect visual metaphor for how enzymes work! Just like these humans perfectly conforming to different surfaces, enzymes change their shape to fit substrates exactly. It's the ultimate biological "if I fits, I sits" scenario. The induced fit model in real life! This is basically what's happening in your cells right now - thousands of molecular tracksuits bending and folding to catalyze reactions. Nature's molecular gymnasts don't even need to stretch first!