Table of Contents
- 1 What is the molecule that carries the amino acid called?
- 2 What carries a specific amino acid into place?
- 3 What always attaches to specific amino acids?
- 4 How does tRNA molecule carrying its amino acid recognize which codon to attach?
- 5 Which end of the tRNA is attached to the correct amino acid?
- 6 What happens when amino acids are added to the translation chain?
What is the molecule that carries the amino acid called?
transfer RNA (tRNA)
transfer RNA (tRNA), small molecule in cells that carries amino acids to organelles called ribosomes, where they are linked into proteins. In addition to tRNA there are two other major types of RNA: messenger RNA (mRNA) and ribosomal RNA (rRNA).
What carries a specific amino acid into place?
tRNA
Each tRNA molecule has two distinct ends, one of which binds to a specific amino acid, and the other which binds to the corresponding mRNA codon. During translation, these tRNAs carry amino acids to the ribosome and join with their complementary codons.
What always attaches to specific amino acids?
A tRNA molecule has an “L” structure held together by hydrogen bonds between bases in different parts of the tRNA sequence. One end of the tRNA binds to a specific amino acid (amino acid attachment site) and the other end has an anticodon that will bind to an mRNA codon.
Which molecule carries an amino acid attached to the end of an anticodon?
The tRNA molecule has a distinctive folded structure with three hairpin loops that form the shape of a three-leafed clover. One of these hairpin loops contains a sequence called the anticodon, which can recognize and decode an mRNA codon. Each tRNA has its corresponding amino acid attached to its end.
Does tRNA carry amino acids?
transfer RNA (tRNA) – a type of RNA that is folded into a three-dimensional structure. tRNA carries and transfers an amino acid to the polypeptide chain being assembled during translation. translation – the process in which a cell converts genetic information carried in an mRNA molecule into a protein.
How does tRNA molecule carrying its amino acid recognize which codon to attach?
tRNAs bring their amino acids to the mRNA in a specific order. This order is determined by the attraction between a codon, a sequence of three nucleotides on the mRNA, and a complementary nucleotide triplet on the tRNA, called an anticodon. This anticodon also specifies the particular amino acid that the tRNA carries.
Which end of the tRNA is attached to the correct amino acid?
3′ end of the correct tRNA In order for translation to be accurate, the appropriate amino acid must be attached to the: Synthetases The enzymes that catalyze the attachment of amino acids to tRNA molecules are known as aminoacyl-tRNA _____.
What happens when amino acids are added to the translation chain?
During translation, each time an amino acid is added to the growing chain, a tRNA molecule forms base pairs with its complementary sequence on the messenger RNA (mRNA) molecule, ensuring that the appropriate amino acid is inserted into the protein.
Which RNA molecule acts as an intermediary between mRNA codon and amino acid?
The tRNA Which RNA molecule involved in translation acts as an intermediary between an mRNA codon and an amino acid? 3 How many nucleotides are in an anticodon? A codon on mRNA base pairs with an anticodon on a tRNA that carries the appropriate amino acid.
What is tRNA used for in protein synthesis?
Transfer RNA (tRNA) Transfer RNA (tRNA) is a small RNA molecule that participates in protein synthesis. Each tRNA molecule has two important areas: a trinucleotide region called the anticodon and a region for attaching a specific amino acid.