list the amino acids the way they would appear in the polypeptides coded for by the mRNA
adenine cytosine guanine thymine
Cysteine ^_^
In the genetic code, a sequence of three nucleotides forms a codon, which codes for one amino acid. So for each amino acid, there are three nucleotides. Therefore, 600 nucleotides are needed to make 200 amino acids.
A gene will create an RNA molecule which will be taken by a Ribosome. This Ribosome will read the coded message in the RNA molecule to place a specific amino acid in a particular place. The Ribosome will link these adjacent amino acids using a peptide bond which are incredibly strong. As the RNA goes into one end of the Ribosome, a long polypeptide chain will emerge out the other side.
According to scientists, transfer-RNA is responsible for assembling amino acids into polypeptides in the ribosome because it carries the correct amino acid to add to the polypeptide chain.
Genetic code comes on long strands. The indvidual bases are grouped into threes in the stand. The groups of three code for either an amino acid or a to start or stop making a polypeptide. Chains of these groups of three code for the polypeptides, proteins and enzymes that our bodies depend on. There are lots more possible combinations of the four base pairs than there are amino acids so the same amino acid can be coded for in several different ways. Genetic code comes on long strands. The indvidual bases are grouped into threes in the stand. The groups of three code for either an amino acid or a to start or stop making a polypeptide. Chains of these groups of three code for the polypeptides, proteins and enzymes that our bodies depend on. There are lots more possible combinations of the four base pairs than there are amino acids so the same amino acid can be coded for in several different ways.
it's a genetically coded sequence of amino acids in a polypeptide chain
The monomers in a polypeptide are the amino acids. The sequence of amino acids in a polypeptide (or protein) is called the primary structure. It is the primary structure of proteins which is coded for by the DNA in the genes: the sequence of bases in the DNA is a code for the sequence of amino acids in a protein (or polypeptide). See: http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/PrimaryStructure.html http://staff.jccc.net/PDECELL/biochemistry/protstruc.html
Several amino acids are not coded for in biology. 20 are. The two standard amino acids are selenocysteine and pyrrolysine. Then there are the numerous non-standard amino acids, which include hydroxyproline and selenomethionine.
All of them.
Cysteine ^_^
In the genetic code, a sequence of three nucleotides forms a codon, which codes for one amino acid. So for each amino acid, there are three nucleotides. Therefore, 600 nucleotides are needed to make 200 amino acids.
3
2
There is no codon that codifies for two amino acids. The explanation is easy considering that the codon must be recognized by the tRNA that carries a particular amino acid that is going to be coupled into the growing polypeptide chain during translation event. If for any reason there is a codon that codifies for two amino acids it would be an important cause that the translation from mRNA to protein be with multiple errors in amino acid secquence as there is no molecule that discriminates which amino acid should be coupled in the nascent polypeptide chain.
twenty
twenty
Simple answer FIVE. Each codon is made up of links. There are three links to the codon. Each codon codes for a single amino acid. A polypeptide is a string of amino acids. The term is usually used for smaller polypeptide chains. Larger chains are usually referred to as proteins although not all proteins are simply polypeptides. Heomoglobin, for example, contains a heme group.