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Pill

Theme C - Interaction &  Interdependence

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Direct Hit

Theme A - Unity & diversity

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Page Facing Up

Theme B - Form & Function

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Keycap Digit One

Theme D - Continuity & Change

Enzymes are super-cool molecular machines that speed up reactions. Think of them like a catalyst! But where are they made? And where do they do their magic? Let&#39;s dive in!

<ul>
	<li>Intracellular enzymes work inside the cell, like a chef cooking in a kitchen.</li>
	<li>Extracellular enzymes (or exoenzymes) work outside the cell, like a chef grilling in a backyard.</li>
</ul>

Both are born from ribosomes. But there&#39;s a twist!

<ul>
	<li>Exoenzymes: Made by ribosomes attached to the endoplasmic reticulum (ER). Imagine the ER as a special kitchen counter where these outdoor chefs are trained.</li>
	<li>Intracellular enzymes: Made by free ribosomes in the cytoplasm, kind of like chefs trained in the heart of the kitchen.</li>
</ul>

<ul>
	<li>Glycolysis Party: A metabolic pathway that&#39;s like a dance routine for sugar!
	<ul>
		<li>First Step: Glucose gets a shiny phosphate accessory. The matchmaker who helps them? An enzyme called hexokinase.</li>
		<li>Where? This dance happens in the cytoplasm.</li>
	</ul>
	</li>
	<li>The Krebs Cycle Concert: Happens in the mitochondrial matrix, like a rock concert in a special stadium inside cells.
	<ul>
		<li>Star Performer: Fumarase, which helps transform fumarate into malate.</li>
	</ul>
	</li>
</ul>

<ul>
	<li>They love breaking down big, bulky macromolecules into bite-sized monomers. Think of breaking a giant burger into slider-sized bites.</li>
	<li>For us humans: These enzymes are like external chefs in our digestive system, helping break down that big burger we just ate.</li>
	<li>For tiny creatures like bacteria and fungi: Imagine them wanting to eat the burger but their front door (cell wall) is too small. So, they send out these chefs (exoenzymes) outside to break the burger into smaller pieces (monomers) which they can then easily bring inside.</li>
</ul>

Unicellular archaea, bacteria, and fungi have an issue: their front doors (cell walls) don&#39;t let big things like macromolecules in. It&#39;s like trying to fit a sofa through a tiny door! 🛋️

<ul>
	<li>Solution? They use exoenzymes to chop the sofa (macromolecules) into pillows (monomers) that can easily fit through.</li>
</ul>

🎉 Real-world Example: Imagine you&#39;re at a picnic. Some foods (like fruit) you can eat directly. But imagine a giant loaf of bread. It&#39;s hard to eat it whole, right? That&#39;s where a knife (our exoenzyme) comes in! It slices the bread into manageable pieces that you can enjoy one by one. Similarly, exoenzymes help break big nutrients down so cells can &quot;eat&quot; them easily.

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🌺 End Note: Enzymes are truly fascinating! Whether they&#39;re cooking inside the cell or grilling outside, they play a crucial role in keeping life&#39;s processes running smoothly.

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Happy learning, future biologist! 🦠🔬

Theme C - Interaction & Interdependence

Intracellular Vs. Extracellular Enzymes: Their Roles & Functions

Table of content

The big picture 🚀

Setting the scene - intracellular vs. extracellular enzymes 🎨

Where do enzymes come from? 🎈