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SUMMARY: This movie explains the biology of enzymes. Enzymes are protein catalysts that accelerate chemical reactions by lowering activation energy, playing a crucial role in processes like digestion and metabolism in all organisms. They bind to substrates at their active site, facilitating the transformation of reactants into products, and their function depends on factors like pH and temperature. However, changes in these environmental conditions can denature enzymes, reducing or destroying their activity, making them essential but sensitive players in biological systems.

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Enzymes LYRICS:
They're the protein catalysts in every organism
ENZYMES!
Through enzymatic action your metabolism's driven
ENZYMES!
In staphylococcus, jellyfish, tarantulas and trees,
They lower activation energy
Enzymes, in you and me now
ENZYMES!

You got 'em in your cells where they do cellular digestion,
ENZYMES!
You got 'em in your mouth and in your stomach and intestines
ENZYMES!
The thing an enzyme acts upon is called a substrate.
They fit like lock and key with complementary shape
Enzymes, speed up reaction rates
ENZYMES!

An enzyme binds its substrate at its active site
ENZYMES!
Bound together in a complex where they snuggle so tight,
ENZYMES!
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
ENZYMES!

Like any molecule an enzyme's shape defines its function.
ENZYMES!
Environmental change that changes shape leads to malfunction,
ENZYMES!
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
ENZYMES!

More heat until a certain point increases their efficiency
ENZYMES!
But too much heat denatures them destroying their activity
ENZYMES!
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!

Enzymes in saliva will break starch into glucose
ENZYMES!
If you lack the enzyme lactase then you won't enjoy milk lactose,
ENZYMES!
Tay-sachs, galactosemia and PKU disease,
All caused by inherited enzyme deficiencies
ENZYMES, they're what everybody needs
ENZYMES!

⁣To determine the percentage, we have to divide the value by the total value and then multiply the resultant by 100.

Place Value, Tens and Ones helps children understand the concept and give practice in techniques to navigate it. Premier Mr. B's Brain Videos:
Letter L Songs: https://youtu.be/Nz8edFn2GSM
Subtraction Magic: https://youtu.be/96kDx-yw3f0
Addition Gameshow: https://youtu.be/BIu3QBSn0ig
2D vs. 3D Shapes: https://youtu.be/YxoLlSTu1jo
Addition Song: https://youtu.be/v6cMscvg3TE
Phonics CVC Blend Reading: https://youtu.be/tpLKilWB3mw
Spelling: https://youtu.be/R_kJg5Dk2qQ

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This video on place value shows different ways to understand tens and ones (10s and 1s) using tens rods and ones cubes. It also includes real world math examples of these two-digit numbers.

⁣The term composition means 'putting together' and can apply to any work of art, from music to writing to photography, that is arranged using conscious thought.

⁣Your family members are also called your relatives. You have an immediate or nuclear family and an extended family. Your immediate family includes your father, mother and siblings. Your extended family includes all of the people in your father and mother's families.

⁣What is a Plant Cell? Plant cells are eukaryotic cells that vary in several fundamental factors from other eukaryotic organisms. Both plant and animal cells contain a nucleus along with similar organelles. One of the distinctive aspects of a plant cell is the presence of a cell wall outside the cell membrane.

Updated on August 22, 2022 · Grammar. An antonym is a word that means the opposite of another word. For example, hot and cold are antonyms, as are good and bad.

⁣What is inference? We learn about some things by observing or experiencing them first-hand. In contrast, when we make inferences, we reach conclusions based on evidence and reasoning. We figure things out by applying our own knowledge and experience to the situation at hand.

⁣What is the digestive system? The digestive system is made up of the gastrointestinal tract—also called the GI tract or digestive tract—and the liver, pancreas, and gallbladder. The GI tract is a series of hollow organs joined in a long, twisting tube from the mouth to the anus.

⁣Mixtures can be separated using a variety of techniques. · Chromatography involves solvent separation on a solid medium.

⁣Grade 8 Mathematics

⁣Grade 10 English