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 A - Unity & diversity
Biology HL
Biology HL

Theme A - Unity & diversity

Unlocking Life's Origins Deciphering LUCA's Code

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

Table of content

Hey there, Biology enthusiasts! Buckle up for a thrilling ride through the genetic code and universal common ancestry! This will be as enjoyable as piecing together a cosmic puzzle. Let's break it down into chewable bites!

Understanding genetic code the DNA's language 🧩

  • What's a Codon?

    • Think of codons as the words of the DNA language, each made up of three bases (letters).
    • There are 64 different codons that can either mean an amino acid or signal a stop/start in the protein-making process.
    • Fun Fact: It's like how "f-i-s-h" means a swimming creature. The letters could be arranged to mean anything, but we agree it's fish.
  • Why is the Genetic Code Universal?

    • Imagine if humans spoke the same language everywhere. That's what organisms do with their genetic code!
    • Small variations exist, but largely, the genetic code is consistent across species. It's like different accents of the same language.
    • Real-World Example: If dogs, cats, humans, and trees all used the same code, it hints they had a common great-great-grandparent in the family tree!

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IB Resources
Theme A - Unity & diversity
Biology HL
Biology HL

Theme A - Unity & diversity

Unlocking Life's Origins Deciphering LUCA's Code

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

Table of content

Hey there, Biology enthusiasts! Buckle up for a thrilling ride through the genetic code and universal common ancestry! This will be as enjoyable as piecing together a cosmic puzzle. Let's break it down into chewable bites!

Understanding genetic code the DNA's language 🧩

  • What's a Codon?

    • Think of codons as the words of the DNA language, each made up of three bases (letters).
    • There are 64 different codons that can either mean an amino acid or signal a stop/start in the protein-making process.
    • Fun Fact: It's like how "f-i-s-h" means a swimming creature. The letters could be arranged to mean anything, but we agree it's fish.
  • Why is the Genetic Code Universal?

    • Imagine if humans spoke the same language everywhere. That's what organisms do with their genetic code!
    • Small variations exist, but largely, the genetic code is consistent across species. It's like different accents of the same language.
    • Real-World Example: If dogs, cats, humans, and trees all used the same code, it hints they had a common great-great-grandparent in the family tree!

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 🌟