Codons aren't basic units of the genetic code right?

In summary, codons are sequences of three nucleotides that make up the basic unit of the genetic code and are responsible for coding for specific amino acids. While they play a crucial role, they are not considered the basic unit as they work together with other elements. Codons are essential in genetic research as they allow scientists to understand and manipulate the genetic code. They can be altered or mutated, potentially affecting protein function. There are also exceptions and variations in codon usage in different organisms.
  • #1
nemzy
125
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codons aren't basic units of the genetic code right?

my friend told me that it does but i remember in lecture that proff said it doesn't but maybe i misheard
 
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  • #2
Codons are the 3 letter mRNA sequences which correspond to specific amino acids. The ribosome uses the mRNA as the template in its synthesis of proteins. So in a way you could argue that they are the basic units of the genetic code.
 
  • #3


There seems to be some confusion about the role of codons in the genetic code. Let me clarify - codons are indeed the basic units of the genetic code. They are sequences of three nucleotides that code for a specific amino acid or a stop signal. Each codon is essentially a "word" in the genetic code that tells the cell which amino acid to add to a growing protein chain. So, your friend is correct in saying that codons are basic units of the genetic code. Perhaps there was a misunderstanding in your lecture, but codons are definitely a crucial part of the genetic code.
 

1. What are codons and how are they related to the genetic code?

Codons are sequences of three nucleotides that make up the basic unit of the genetic code. They are responsible for coding for specific amino acids, which are the building blocks of proteins.

2. Why are codons not considered the basic units of the genetic code?

While codons play a crucial role in the genetic code, they are not considered the basic unit because they do not act alone. Instead, they work together with other elements such as start and stop codons, tRNA, and ribosomes to translate the genetic code into proteins.

3. What is the significance of codons in genetic research?

Codons are essential in genetic research as they allow scientists to understand and manipulate the genetic code. By studying the sequence of codons, researchers can identify specific genes, mutations, and their effects on protein synthesis.

4. Can codons be altered or mutated?

Yes, codons can be altered or mutated, leading to changes in the amino acid sequence and potentially affecting protein function. This can occur through various mechanisms, such as point mutations, insertions, and deletions.

5. Are there exceptions to the standard genetic code involving codons?

Yes, there are some exceptions to the standard genetic code, where different codons code for the same amino acid. Additionally, some organisms have evolved alternative genetic codes, leading to variations in codon usage.

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