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The standard genetic code table showing how mRNA codons translate into amino acids.

Genetic code codon table mapping mRNA triplets to amino acids.

Genetic code codon table mapping mRNA triplets to amino acids.

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Show Answer Key & Explanations Step-by-step solution for: biology - BIOLOGY JUNCTION
It looks like you've uploaded a genetic code table, which is used to translate mRNA codons (triplets of nucleotides) into their corresponding amino acids during protein synthesis. However, there's no specific problem or question stated in your message.

To help you effectively, I’ll explain how to use this chart and solve typical problems involving it. If you have a specific task (e.g., translating an mRNA sequence), please let me know!

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🔍 Understanding the Genetic Code Table



This chart shows the standard genetic code, where each three-letter codon (e.g., AUG) corresponds to one amino acid or a stop signal.

- The first base is on the left (vertical axis).
- The second base is across the top (horizontal axis).
- The third base is indicated by the color-coded column on the right.

Each box contains:
- A group of codons (e.g., UUU, UUC → Phenylalanine)
- The amino acid they code for
- Some are labeled with single-letter abbreviations (e.g., F = Phenylalanine)

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🧠 How to Use This Table



Let’s say you’re given an mRNA sequence:
AUG-CUU-GGC-UAA

You want to find the amino acid sequence.

Step-by-step:

1. Break into codons:
- AUG | CUU | GGC | UAA

2. Look up each codon:

- AUG:
- First base: A → bottom row
- Second base: U → second column
- Third base: G → third base column
Methionine (start codon)

- CUU:
- First base: C → middle row
- Second base: U → first column
- Third base: U → third base column
Leucine (L)

- GGC:
- First base: G → bottom row
- Second base: G → fourth column
- Third base: C → third base column
Glycine (G)

- UAA:
- First base: U → top row
- Second base: A → third column
- Third base: A → third base column
Stop codon

3. Final result:
Met-Leu-Gly → STOP

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💡 Common Tasks Using This Chart



1. Translate mRNA to amino acid sequence
2. Identify start/stop codons
3. Determine if a mutation changes an amino acid
4. Find codons for a given amino acid

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Example Problem Solved



Problem: What amino acid does the codon ACG code for?

Solution:
- First base: A → bottom row
- Second base: C → third column
- Third base: G → third base column

Look at the intersection: ACGThreonine (T)

Answer: Threonine

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❓Please Clarify Your Task



If you have a specific question such as:
- "Translate this mRNA: UUC-CCG-AUG..."
- "What amino acid is coded by UGU?"
- "What happens if a mutation changes UAC to UAG?"

👉 Just tell me the exact problem, and I'll walk you through the solution step-by-step using this chart!
Parent Tip: Review the logic above to help your child master the concept of biology junction worksheet answers.
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