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- Click here for a .pdf of an enzymes crossword puzzle.
- Enzymes Interactive tutorial
They’re the protein catalysts in every organism
Through enzymatic action your metabolism’s driven
In staphylococcus, jellyfish, tarantulas and trees,
They lower activation energy
Enzymes, in you and me now
You got ‘em in your cells where they do cellular digestion,
You got ‘em in your mouth and in your stomach and intestines
The thing an enzyme acts upon is called a substrate.
They fit like lock and key with complementary shape
Enzymes, speed up reaction rates
An enzyme binds its substrate at its active site
Bound together in a complex where they snuggle so tight,
New bonds will form and break due to the active site’s chemistry
Reactants become products, it’s the enzyme’s specialty,
Product gets release enzyme repeats its action readily
Like any molecule an enzyme’s shape defines its function.
Environmental change that changes shape leads to malfunction,
Every enzyme has a pH where it catalyzes best,
a pH change will set enzyme activity to rest.
Enzymes are so sensitive they’re easily upset
More heat until a certain point increases their efficiency
But too much heat denatures them destroying their activity
That’s why a fever running high’s a dangerous situation,
All that heat can alter enzymatic conformation.
Keep it 98.6 for enzyme optimization
Enzymes in saliva will break starch into glucose
If you lack the enzyme lactase then you won’t enjoy milk lactose,
Tay-sachs, galactosemia and PKU disease,
All caused by inherited enzyme deficiencies
ENZYMES, they’re what everybody needs
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