
The function of mRNA in protein synthesis is,
A.To makeup the structure of ribosomes
B.To carry amino acids to the ribosome
C.To catalyse bonds between nucleotides
D.To serve as a template for the synthesis of DNA
E.To carry information determining amino acid sequence
Answer
490.5k+ views
Hint: mRNA stands for messenger ribonucleic acid. It plays a very important role in the field of biology especially in the process of protein synthesis. It is a single-stranded molecule which from DNA carries genetic code in a cell.
Complete answer:
The living cells use mRNA molecules to create all required for their functioning protein molecules. The most important component is ‘Messenger RNA’. The vital role of mRNA in protein synthesis is to transfer the information which is encoded in the DNA to the cytoplasm.
mRNA molecules carry the coding sequence for protein synthesis and are called transcripts, rRNA form the core of a cell’s ribosomes and transfer RNA molecules which carry amino acids to the ribosomes during protein. rRNA are structural constituents of ribosomes which help to provide the site for protein synthesis hence they are said to be the abundant form of RNA. Therefore, option A is not the correct answer. The options C and D are also not correct as protein synthesis doesn't constitute the DNA as template and the bond formation between the nucleotides.
Hence the correct answer is OPTION(E)
Note: Besides some multi-copy genes, generally a cell contains just a gene templated coded in their DNA molecules. Each cell needs thousands up to hundreds of thousands of molecules per protein type. These molecules should be renewed with new ones regularly. For synthesising huge amounts of items from a single template, cells have found a way to parallelize the process.
Complete answer:
The living cells use mRNA molecules to create all required for their functioning protein molecules. The most important component is ‘Messenger RNA’. The vital role of mRNA in protein synthesis is to transfer the information which is encoded in the DNA to the cytoplasm.
mRNA molecules carry the coding sequence for protein synthesis and are called transcripts, rRNA form the core of a cell’s ribosomes and transfer RNA molecules which carry amino acids to the ribosomes during protein. rRNA are structural constituents of ribosomes which help to provide the site for protein synthesis hence they are said to be the abundant form of RNA. Therefore, option A is not the correct answer. The options C and D are also not correct as protein synthesis doesn't constitute the DNA as template and the bond formation between the nucleotides.
Hence the correct answer is OPTION(E)
Note: Besides some multi-copy genes, generally a cell contains just a gene templated coded in their DNA molecules. Each cell needs thousands up to hundreds of thousands of molecules per protein type. These molecules should be renewed with new ones regularly. For synthesising huge amounts of items from a single template, cells have found a way to parallelize the process.
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