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Tools help a cell translate an mRNA message into a polypeptide?
Ribosomes and tRNA molecules help a cell translate an mRNA message into a polypeptide.
What enzyme catalyzes the attachment of an amino acid to tRNA?
Aminoacyl-tRNA synthetase is the enzyme responsible for catalyzing the attachment of an amino acid to tRNA. This process is vital for protein synthesis, ensuring that the correct amino acid is paired with its corresponding tRNA molecule.
What type of RNA is responsible for moving amino acids to the ribosome?
Transfer RNA (tRNA) is responsible for moving amino acids to the ribosome during protein synthesis. Each tRNA molecule carries a specific amino acid and contains an anticodon region that binds to the complementary codon on the mRNA.
How many different aminoacyl trna synthetases are there?
There are 20 different aminoacyl-tRNA synthetases, one for each amino acid. These enzymes are responsible for attaching the correct amino acid to its corresponding tRNA molecule during protein synthesis.
What type of bonding is responsible for maintaining the shape of the tRNA molecule?
Hydrogen bonding is responsible for maintaining the shape of the tRNA molecule, particularly between complementary base pairs. These hydrogen bonds help stabilize the secondary and tertiary structure of the tRNA, which is important for its function in protein synthesis.
Is tRNA involved in transcription?
tRNA is not directly involved in transcription. tRNA is responsible for transferring amino acids to the ribosome during translation, where it helps in the assembly of the polypeptide chain based on the mRNA sequence. Transcription is the process of synthesizing mRNA from DNA.
What do ribosoms produce?
Ribosomes produce proteins via translation. Three types of RNA are formed during Transcription. There is mRNA, which contains a coded message, which is the instruction on how to make the protein, tRNA, which translates the message, and rRNA, which make up most of the ribosome. When mRNA comes into the ribosome, the tRNA attaches to the codons (letters) of the mRNA. The tRNA's complements for the mRNA are called anticodons. They come together, the tRNA translates the message and brings with it an amino acid. Once that part of the message is translated, the mRNA moves through the ribosome so that it can read the next part. TRNA comes in to translate that and brings with it another amino acid, and this process continues. The amino acids bond together in a polypeptide bond, and a whole string of these bonds and amino acids (basically until the mRNA runs out of its message) makes that lovely protein!
What is the most responsible for the sequence of amino acids in a protein?
the tRNA binding anti codon sequence
Which RNA is responsible for reading the genetic code and carrying amino acids accurately into protein synthesis?
tRNA is responsible for recognizing (reading) the genetic code (codons) on mRNA. If a tRNA recognizes a certain codon, the amino acid it carries then become attached to the polypeptide chain.
Is an amino acid a mRNA or tRNA?
An amino acid is not mRNA or tRNA. Amino acids are the building blocks of proteins, while mRNA carries the genetic information from DNA to the ribosome to be translated into a protein, and tRNA is responsible for bringing specific amino acids to the ribosome during protein synthesis.
TRNA brings amino acids to the nucleus or ribosomes?
The ribosome 'reads' the mRNA message , and tRNA takes amino acids to the ribosome, in the sequence that is determined by the mRNA. This all takes place in the cytoplasm [in the Rough Endoplasmic Reticulum - RER], not the nucleus.
What molecules transport amino acids from the cytoplasm and the ribosome for translation?
Transfer RNA (tRNA) molecules are responsible for transporting amino acids from the cytoplasm to the ribosome for translation. Each tRNA molecule carries a specific amino acid and recognizes the corresponding codon on the mRNA during protein synthesis.
