What is the tRNA anticodon sequence?

Question

for C-G-A-T-C-C-G-T-T

Answer 1

C-G-A-T-C-C-G-T-T

G-C-U-A-G-G-C-A-A

Adenine (A) usually pairs with Thymine (T), but in the case of RNA, Thymine is replaced by Uracil (U).

Answer 2

Hey,

I'm assuming the nucleotides you've listed represent a strand of mRNA?  Not sure though since you have thymine (T) in the sequence -- normally with RNA uracil (U) is substituted for thymine (T).  

Anyhow - if you're interested only in the answer skip the following:

After DNA has been transcribed to RNA in the nucleus the RNA gets processed and transferred to the cell cytoplasm becoming mRNA (messenger).  The message being carried by the mRNA is translated into protein by ribosomes.  The mRNA is 'read' by ribosomes as 'nucleotide triplicates'  called codons.  Each codon corresponds to an amino acid. tRNA (transfer) is responsible for the transfer of amino acids to the growing polypeptide chain -- it binds to mRNA via anti-codons: sequences of of three polypeptides complementary to the codons.

You have been given nine nucleotides.

C-G-A  T-C-C  G-T-T  the corresponding tRNA anticodons would be G-C-U  A-G-G  C-A-A.  Remember each of these codons corresponds to an amino acid.  Using an RNA codon table we can see that your three amino acid polypeptide would be composed of:

GCU - Alanine

AGG - Arginine

CAA - Glutamine

Hope this helps.

Remember pairing rules

DNA: G binds C, A binds T

RNA: G binds C, A binds U  

                      

Nucleotide pairing rules described above are essential for determing anticodons.  Anticodon is just a sequence of three nucleotides complementary to the sequence given.

Good luck,

ES