IB Biology Topic D1.2.9 Using the Genetic Code Expressed as a Table of Mrna Codons Revision Notes (SL/HL)

IB Biology Topic D1.2.9 Using the Genetic Code Expressed as a Table of Mrna Codons Revision Notes (SL/HL) | RevisionDojo

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A codon table lets you convert any mRNA codon straight into its amino acid

Codons are groups of three mRNA bases, such as AUG or GCU, and each triplet is one entry in the table.
Each codon specifies one of the 20 amino acids or a stop signal that ends translation.
The code is degenerate, so several codons can name the same amino acid, which is why the table has repeated entries.

Tip

Always read the code in triplets and never split a codon across the reading frame.
One codon gives one amino acid or one stop signal, never two amino acids.

Read the table by three positions: first base left, second base top, third base right

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A codon table lets you convert any mRNA codon straight into its amino acid

Codons are groups of three mRNA bases, such as AUG or GCU, and each triplet is one entry in the table.
Each codon specifies one of the 20 amino acids or a stop signal that ends translation.
The code is degenerate, so several codons can name the same amino acid, which is why the table has repeated entries.

Tip

Always read the code in triplets and never split a codon across the reading frame.
One codon gives one amino acid or one stop signal, never two amino acids.

Read the table by three positions: first base left, second base top, third base right

Definition

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(on a website) an arrangement whereby access is restricted to users who have paid to subscribe to the site.

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Duis aute irure dolor in reprehenderit

Note

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Excepteur sint occaecat cupidatat non proident

Tip

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A - Unity and Diversity9 subtopics

B - Form and Function10 subtopics

C - Interaction and Interdependence9 subtopics

D - Continuity and Change12 subtopics

IB Biology Topic D1.2.9: Using the Genetic Code Expressed as a Table of Mrna Codons Notes

A - Unity and Diversity9 subtopics

B - Form and Function10 subtopics

C - Interaction and Interdependence9 subtopics

D - Continuity and Change12 subtopics

A codon table lets you convert any mRNA codon straight into its amino acid

Read the table by three positions: first base left, second base top, third base right

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Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

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A codon table lets you convert any mRNA codon straight into its amino acid

Read the table by three positions: first base left, second base top, third base right

anim nostrud sit dolore minim proident quis fugiat velit et eiusmod nulla quis nulla mollit dolor sunt culpa aliqua

Duis aute irure dolor in reprehenderit

Excepteur sint occaecat cupidatat non proident

Unlock the rest of this chapter with a free account