Translation
Translation is the process where the ribosome reads the mRNA code and builds a protein in the cytoplasm after transcription.
The ribosome follows the instructions carried by mRNA to build a protein. You can think of the ribosome as the chef and the mRNA as the recipe written in a special code of A, U, G, and C.
The ribosome reads the mRNA code in groups of three letters at a time. Each group, called a codon, tells the ribosome which amino acid to add next. It begins when the ribosome finds the start codon, AUG, on the mRNA.
Each amino acid is delivered by a helper molecule called tRNA. Each tRNA has an anticodon that matches a codon on the mRNA.
As the ribosome moves along the mRNA, it links amino acids together, much like beads on a string, to form a long protein chain.
When the ribosome reaches a stop codon, translation ends. The new protein is released and begins folding into its unique shape so it can do its job in the cell.
Translation
Translation is the process by which cells make proteins using the instructions carried by messenger RNA (mRNA). It takes place in the cytoplasm on ribosomes, where the genetic code is read three bases at a time, called codons. Each codon corresponds to a specific amino acid. Transfer RNA (tRNA) molecules bring the correct amino acids to the ribosome, where they are linked together to form a protein. This process is essential because proteins carry out most of the cell’s functions, such as building structures, speeding up reactions, and responding to signals. Studying translation helps explain how genes control the structure and function of all living things.
Science and Engineering Practices (SEP): Developing and Using Models
Scientists use models to demonstrate how mRNA is decoded into amino acid chains during translation. These models help visualize how ribosomes, tRNA, and amino acids interact to build proteins. You can create models using beads, paper codons, or interactive simulations to explore how the sequence of RNA determines the sequence of a protein.
Activity Ideas:
- Codon Match Activity – Use a codon chart and mRNA strands to figure out which amino acids form a protein.
- Build-a-Protein Model – Simulate translation by matching tRNA anticodons to mRNA codons and linking amino acids.
- Protein Coding Puzzle – Translate a short gene sequence into a chain of amino acids and explore what happens if the sequence changes.
Crosscutting Concept (CCC): Structure and Function
The structure of molecules involved in translation determines their function in protein synthesis.
- Structure: mRNA is a single strand with codons that carry the genetic code.
Function: It delivers the message from DNA to the ribosome. - Structure: tRNA has a specific shape that allows it to match anticodons to codons and carry amino acids.
Function: It ensures the correct amino acids are added to the growing protein. - Structure: Ribosomes are made of RNA and protein and have two subunits.
Function: They serve as the site where translation occurs and proteins are assembled.
Studying translation reveals how genetic information becomes functional proteins, the building blocks of life.
Translation is the process where the ribosome reads the mRNA code and builds a protein in the cytoplasm after transcription.
The ribosome follows the instructions carried by mRNA to build a protein. You can think of the ribosome as the chef and the mRNA as the recipe written in a special code of A, U, G, and C.
The ribosome reads the mRNA code in groups of three letters at a time. Each group, called a codon, tells the ribosome which amino acid to add next. It begins when the ribosome finds the start codon, AUG, on the mRNA.
Each amino acid is delivered by a helper molecule called tRNA. Each tRNA has an anticodon that matches a codon on the mRNA.
As the ribosome moves along the mRNA, it links amino acids together, much like beads on a string, to form a long protein chain.
When the ribosome reaches a stop codon, translation ends. The new protein is released and begins folding into its unique shape so it can do its job in the cell.
Translation is the process where the ribosome reads the mRNA code and builds a protein in the cytoplasm after transcription.
The ribosome follows the instructions carried by mRNA to build a protein. You can think of the ribosome as the chef and the mRNA as the recipe written in a special code of A, U, G, and C.
The ribosome reads the mRNA code in groups of three letters at a time. Each group, called a codon, tells the ribosome which amino acid to add next. It begins when the ribosome finds the start codon, AUG, on the mRNA.
Each amino acid is delivered by a helper molecule called tRNA. Each tRNA has an anticodon that matches a codon on the mRNA.
As the ribosome moves along the mRNA, it links amino acids together, much like beads on a string, to form a long protein chain.
When the ribosome reaches a stop codon, translation ends. The new protein is released and begins folding into its unique shape so it can do its job in the cell.
From Chapter undefined:
Now Playing
Translation
Related Videos
16 Views
DNA
Related Videos
62 Views
Mutation
Related Videos
67 Views
Human Genome
Related Videos
67 Views
DNA Structure
Related Videos
110 Views
DNA Replication
Related Videos
154 Views
Genetic Disorders
Related Videos
79 Views
RNA
Related Videos
43 Views
DNA and RNA
Related Videos
191 Views
Gene Therapy
Related Videos
47 Views
Recombinant DNA
Related Videos
17 Views
Cloning
Related Videos
15 Views
Biotechnology in Agriculture
Related Videos
18 Views
Transcription
Related Videos
34 Views