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In what direction does transcription occur, specifically from 5' to 3', in the process of gene expression?
Transcription occurs in the 5' to 3' direction during gene expression.
What happens to the introns and exons during transcription?
After transcription, the mRNA is processed by the spliceosome, which splices out the introns (because introns are not part of the coding sequences for protein), and "stitches" the exons together to form the final transcript that is sent to the ribosome for translation.
Protein synthesis in eukaryotes and prokaryotes?
Protein synthesis occurs in cellular structures called ribosomes , found out-side the nucleus. The process by which genetic information is transferred from the nucleus to the ribosomes is called transcription. During transcription, a strand of ribonucleic acid (RNA) is synthesized.
Does transcription occur in the nucleus or at the nucleoid?
Transcription occurs in the nucleus in eukaryotic cells, where DNA is transcribed into RNA. In prokaryotic cells, transcription occurs at the nucleoid, which is the region where the genetic material is located.
Are exons or introns removed during the process of splicing?
Exons are the parts of a gene that are kept and expressed, while introns are the parts that are removed during the process of splicing.
When does splicing occur?
nucleus
What is produced during transcription?
In protein synthesis, transcription is when the mRNA is made using a DNA template. Transcription includes the manufacturing, splicing, and the adding of caps and tails of the mRNA. This all occurs in the nucleus of the cell. ---messenger RNA is produced.
Transcription and replication occur during what phase?
Transcription and replication occur during the S phase of the cell cycle. During this phase, DNA is replicated to ensure that each daughter cell receives an identical set of genetic information. Transcription, the process of synthesizing RNA from a DNA template, can also occur throughout the cell cycle but is particularly active during the S phase as cells prepare for division.
DNA replication and transcription occur in the what?
DNA replication and transcription occur in the nucleus of eukaryotic cells. In prokaryotic cells, replication and transcription occur in the cytoplasm.
In what direction does transcription occur, specifically from 5' to 3', in the process of gene expression?
Transcription occurs in the 5' to 3' direction during gene expression.
Does transcription occur in DNA or RNA?
Transcription occurs in DNA to produce mRNA.
When does exon shuffling occur?
Exon shuffling occurs during the process of alternative splicing, where exons from different genes are combined to produce unique mRNA transcripts. This process allows for diversity in protein products without altering the gene sequence itself. Exon shuffling is a common mechanism in generating protein complexity in eukaryotes.
What happens to the introns and exons during transcription?
After transcription, the mRNA is processed by the spliceosome, which splices out the introns (because introns are not part of the coding sequences for protein), and "stitches" the exons together to form the final transcript that is sent to the ribosome for translation.
Regulatory proteins can exert ther effects when before transcription during transcription after transcription during translation or all of these?
during translation
Does protein synthesis occur during replication?
No, protein synthesis does not occur during replication. Replication is the process of copying DNA, while protein synthesis occurs during transcription and translation, where DNA is used as a template to create proteins.
What happens right after trasncription ends?
After transcription ends, the newly synthesized mRNA undergoes several processing steps, including the addition of a 5' cap and a poly-A tail, and splicing to remove introns. This processed mRNA is then transported from the nucleus to the cytoplasm, where it will be translated into a protein by ribosomes. In prokaryotes, transcription and translation occur simultaneously in the cytoplasm, as there is no nuclear membrane to separate the processes.
Protein synthesis in eukaryotes and prokaryotes?
Protein synthesis occurs in cellular structures called ribosomes , found out-side the nucleus. The process by which genetic information is transferred from the nucleus to the ribosomes is called transcription. During transcription, a strand of ribonucleic acid (RNA) is synthesized.
