Biology HL
Biology HL
4
Chapters
553
Notes
Theme A - Unity & diversity
Theme A - Unity & diversity
Theme B - Form & Function
Theme B - Form & Function
Theme C - Interaction &  Interdependence
Theme C - Interaction & Interdependence
Theme D - Continuity & Change
Theme D - Continuity & Change
IB Resources
Theme D - Continuity & Change
Biology HL
Biology HL

Theme D - Continuity & Change

Impact of Air Pollution on Gene Expression

Word Count Emoji
510 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

Hey future Biologist! Grab your lab coat, we're diving into how your environment (yes, even the air you breathe!) can actually mess with your genes. Imagine your genes like the software code running you, and guess what? Environmental factors like air pollution can act like a hacker, messing with that code. 🌬️👾

Key Concepts 🗝️

Epigenome

First off, let's chat about the "epigenome". This isn't a new episode of your favorite Netflix series, but it's almost as cool. It's like a layer of invisible notes your cells read along with your DNA to figure out which genes to turn on or off.

 

Real-world Example 🌎 Imagine a music conductor (the epigenome) guiding an orchestra (your cells). The sheet music is the same (your DNA), but depending on how the conductor waves their baton, the sound changes!

DNA Methylation 🧬

Now, meet "DNA methylation." It's a process that slaps a "methyl group" (think of it as a 'DO NOT USE' sticky note) onto your DNA, often turning off certain genes.

 

Real-world Example 🌎 It's like putting parental controls on your Netflix account. Certain shows (genes) are off-limits.

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Biology HL. Subscribe now and get closer to that 45 🌟

Nail IB's App Icon
IB Resources
Theme D - Continuity & Change
Biology HL
Biology HL

Theme D - Continuity & Change

Impact of Air Pollution on Gene Expression

Word Count Emoji
510 words
Reading Time Emoji
3 mins read
Updated at Emoji
Last edited on 14th Jun 2024

Table of content

Hey future Biologist! Grab your lab coat, we're diving into how your environment (yes, even the air you breathe!) can actually mess with your genes. Imagine your genes like the software code running you, and guess what? Environmental factors like air pollution can act like a hacker, messing with that code. 🌬️👾

Key Concepts 🗝️

Epigenome

First off, let's chat about the "epigenome". This isn't a new episode of your favorite Netflix series, but it's almost as cool. It's like a layer of invisible notes your cells read along with your DNA to figure out which genes to turn on or off.

 

Real-world Example 🌎 Imagine a music conductor (the epigenome) guiding an orchestra (your cells). The sheet music is the same (your DNA), but depending on how the conductor waves their baton, the sound changes!

DNA Methylation 🧬

Now, meet "DNA methylation." It's a process that slaps a "methyl group" (think of it as a 'DO NOT USE' sticky note) onto your DNA, often turning off certain genes.

 

Real-world Example 🌎 It's like putting parental controls on your Netflix account. Certain shows (genes) are off-limits.

Unlock the Full Content! File Is Locked Emoji

Dive deeper and gain exclusive access to premium files of Biology HL. Subscribe now and get closer to that 45 🌟