keycap-digit-one.png

Keycap Digit One

Theme D - Continuity & Change

direct-hit.png

Direct Hit

Theme A - Unity & Diversity

page-facing-up.png

Page Facing Up

Theme B - Form & Function

pill.png

Pill

Theme C - Interaction &  Interdependence

Hey future biologist, or perhaps a doctor, or maybe even a future superhero! 🦸&zwj;♀️🦸&zwj;♂️ Let&#39;s dive into the incredible universe that&#39;s within each cell of your body. Today&#39;s hot topic? Gene Expression! 🧬

<ul>
	<li>
	Genotype vs. Phenotype

	<ul>
		<li>Genotype: All the genetic info in you. Think of it as the source code of a software.</li>
		<li>Phenotype: What you actually look like and how you function. This is the software in action!</li>
	</ul>
	</li>
</ul>

🌍 Real-world example: Your genotype is like the recipe for a cake, and the phenotype is the actual cake that comes out of the oven.

<ul>
	<li>
	Gene Expression: The magical process that turns the genotype (the recipe) into phenotype (the cake).
	</li>
</ul>

<ul>
	<li>
	Transcription: Writing down the recipe

	<ul>
		<li>Specific genes are selected from your DNA to make RNA.</li>
		<li>This happens through something called &quot;complementary base pairing.&quot;</li>
		<li>The RNA made is called messenger RNA (mRNA).</li>
		<li>mRNA then hitches a ride to ribosomes in the cytoplasm.</li>
	</ul>

	🌍 Real-world example: It&#39;s like selecting a recipe from a cookbook and jotting down the ingredients you need on a shopping list. Then, you take the list (mRNA) to the supermarket (ribosome).
	</li>
	<li>
	Translation: Cooking time!

	<ul>
		<li>mRNA is now used to make polypeptides (a kind of protein building block).</li>
		<li>This happens on ribosomes.</li>
	</ul>

	🌍 Real-world example: Think of ribosomes as the kitchen. You use your shopping list (mRNA) to assemble your ingredients into an actual dish (polypeptide).
	</li>
	<li>
	Protein Function: Tasting the cake

	<ul>
		<li>The polypeptide becomes a full-fledged protein.</li>
		<li>Proteins could either be structural (like your muscles) or functional (like enzymes).</li>
	</ul>

	🌍 Real-world example: The cake (protein) could either just look good (structural) or could also taste heavenly (functional). For instance, the ability to digest milk 🥛 is thanks to a protein called lactase.
	</li>
</ul>

<ul>
	<li>
	Gene expression isn&#39;t a simple on/off switch. It&#39;s more like a dimmer.
	</li>
	<li>
	You can measure this by looking at the amount of proteins or other gene products.

	🌍 Real-world example: Think of it like the volume control on your Spotify playlist. Sometimes you want it loud, sometimes soft, and other times off!
	</li>
</ul>

There you go, you just rocked gene expression! Isn&#39;t biology a hoot? 🦉 Now go out there and show those genes who&#39;s the boss! 🌟

Unlock the Secrets of Gene Expression!

ib-standard-level.webp

Standard Level

Biology SL

Theme D - Continuity & Change

Unlock the Secrets of Gene Expression!

Table of content

The Big Picture 📚

Unlock the Full Content!

Theme D - Continuity & Change

Unlock the Secrets of Gene Expression!

Table of content

The Big Picture 📚

Unlock the Full Content!