what is the difference between gene expression and protein synthesis?
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Gene expression is the process by which the genetic code - the nucleotide sequence - of a gene is used to direct protein synthesis and produce the structures of the cell. ... Translation: the use of mRNA to direct protein synthesis, and the subsequent post-translational processing of the protein molecule.
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Translation. The mRNA formed in transcription is transported out of the nucleus, into the cytoplasm, to the ribosome (the cell's protein synthesis factory). ... Messenger RNA is not directly involved in protein synthesis − transfer RNA (tRNA) is required for this.
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Explanation: Prokaryotic protein synthesis can be fairly fast because one gene can be transcribed and translated simultaneously. Eukaryotic synthesis is slower, but more precious. They can "check" the mRNA before it is translated into protein.
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Answer and Explanation: The final product of protein synthesis is proteins. Protein synthesis starts with transcription, which occurs in the nucleus.
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DNA (deoxyribonucleic acid) undergoes transcription to form mRNA (messenger RNA), which ultimately forms particular protein via a process called translation. Thus, enzymes present in an organism are basically regulated by the genotype of the organism.
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The stretch of DNA transcribed into an RNA molecule is called a transcription unit and encodes at least one gene. If the gene encodes a protein, the transcription produces messenger RNA (mRNA); the mRNA, in turn, serves as a template for the protein's synthesis through translation.
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Protein synthesis is the process in which cells make proteins. It occurs in two stages: transcription and translation. Transcription is the transfer of genetic instructions in DNA to mRNA in the nucleus. It includes three steps: initiation, elongation, and termination.
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The central dogma of molecular biology describes the two-step process, transcription and translation, by which the information in genes flows into proteins: DNA → RNA → protein. Transcription is the synthesis of an RNA copy of a segment of DNA. RNA is synthesized by the enzyme RNA polymerase.
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Answer and Explanation: The final product of gene expression is protein. When genes are "expressed" they are transcribed to mRNA and translated to protein.
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Since DNA encodes for the formation of proteins, both prokaryotic and eukaryotic cells contain ribosomes, which are the sites of protein synthesis.
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Structural genes refer to a gene that codes for any RNA or protein product other than a regulatory factor, while regulatory genes refer to a gene involved in controlling the expression of one or more other genes. Thus, this is the main difference between structural and regulatory genes.
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Transcription vs. Translation. Transcription is the synthesis of RNA from a DNA template where the code in the DNA is converted into a complementary RNA code. Translation is the synthesis of a protein from an mRNA template where the code in the mRNA is converted into an amino acid sequence in a protein.
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Transcription is the synthesis of RNA from a DNA template where the code in the DNA is converted into a complementary RNA code. Translation is the synthesis of a protein from an mRNA template where the code in the mRNA is converted into an amino acid sequence in a protein.
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Eukaryotic genes are split into exons and introns; in bacteria, genes are almost never split. 7. In eukaryotes, mRNA is synthesized in the nucleus and then processed and exported to the cytoplasm; in bacteria, transcription and translation can take place simultaneously off the same piece of DNA.
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The product of transcription is RNA, which can be encountered in the form mRNA, tRNA or rRNA while the product of translation is a polypeptide amino acid chain, which forms a protein. Transcription occurs in the nucleus in eukaryotic organisms, while translation occurs in the cytoplasm and endoplasmic reticulum.
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Gene expression is the process by which the information encoded in a gene is used to direct the assembly of a protein molecule. The cell reads the sequence of the gene in groups of three bases.
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Gene expression begins with the DNA being converted into RNA in a process called transcription. The RNA is composed of the complementary nucleotides to the DNA in the gene. ... During translation, molecules known as tRNA, or transfer RNA, bind to the codons in the RNA molecule.