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Where is the regulatory gene located?
The regulatory gene is typically located within the same region of DNA as the gene it regulates, often found in nearby sequences or regulatory elements such as promoters, enhancers, or silencers. In prokaryotes, regulatory genes can be part of operons, while in eukaryotes, they may be situated upstream or downstream of the target gene, sometimes even on different chromosomes. Their precise location can vary depending on the specific organism and the gene regulation mechanisms involved.
What mechanisms exerts gene control by suppressing transcription in eukaryote?
Gene control by suppression of transcription in eukaryotes can be achieved through various mechanisms such as DNA methylation, histone modification, and the action of transcriptional repressors. These mechanisms can block access of transcription factors to the gene promoter region, leading to reduced gene expression. Additionally, chromatin remodeling complexes can be involved in creating repressive chromatin structures that prevent transcriptional machinery from binding to DNA.
What major enzyme is involved in transcription?
A u g
What percentage of eukaryotic DNA transcribes protein?
Only a small percentage of eukaryotic DNA, estimated to be around 1-2%, is directly involved in transcribing protein-coding genes. The rest of the DNA is involved in various regulatory functions, such as controlling gene expression and maintaining genome structure.
Are ribsomes directly involved in transcription?
Ribosomes are not directly involved in transcription; they play a key role in translation, the process of synthesizing proteins from mRNA. Transcription occurs in the nucleus, where DNA is converted into mRNA by RNA polymerase. Once mRNA is synthesized, it is transported to the ribosomes in the cytoplasm, where ribosomes read the mRNA sequence to build proteins.
Which protein is involved in promoter recognition in eukaryotes?
In eukaryotes, the TATA-binding protein (TBP) is involved in promoter recognition. TBP is a subunit of the transcription factor II D (TFIID) complex, which binds to the TATA box within the promoter region of genes and helps initiate transcription.
What two nucleic acids are involved in transcription?
Transcription involves the synthesis of RNA from a DNA template. The two nucleic acids involved are DNA, which serves as the template for RNA synthesis, and RNA, which is the product of transcription.
Which is the protein involved in promoter recognition in eukaryotes?
TFIID
Is helicase involved in the process of transcription?
No, helicase is not directly involved in the process of transcription. Transcription is the process of making an RNA copy of a gene's DNA sequence, while helicase is primarily involved in unwinding the DNA double helix during processes like DNA replication.
Where is the regulatory gene located?
The regulatory gene is typically located within the same region of DNA as the gene it regulates, often found in nearby sequences or regulatory elements such as promoters, enhancers, or silencers. In prokaryotes, regulatory genes can be part of operons, while in eukaryotes, they may be situated upstream or downstream of the target gene, sometimes even on different chromosomes. Their precise location can vary depending on the specific organism and the gene regulation mechanisms involved.
What mechanisms exerts gene control by suppressing transcription in eukaryote?
Gene control by suppression of transcription in eukaryotes can be achieved through various mechanisms such as DNA methylation, histone modification, and the action of transcriptional repressors. These mechanisms can block access of transcription factors to the gene promoter region, leading to reduced gene expression. Additionally, chromatin remodeling complexes can be involved in creating repressive chromatin structures that prevent transcriptional machinery from binding to DNA.
What a enzyme?
Its involved in promoter specifictiy in DNA transcription
What major enzyme is involved in transcription?
A u g
Is tRNA involved in transcription?
tRNA is not directly involved in transcription. tRNA is responsible for transferring amino acids to the ribosome during translation, where it helps in the assembly of the polypeptide chain based on the mRNA sequence. Transcription is the process of synthesizing mRNA from DNA.
What is a halo-enzyme?
Its involved in promoter specifictiy in DNA transcription
What is the mitochodria primarily involved in in the eukaryotes?
site of energy (ATP) production
Are troponin and tropomyosin contractile or regulatory proteins?
Troponin is a regulatory protein while tropomyosin is a contractile protein. Troponin is involved in regulating muscle contraction by controlling the interaction between actin and myosin. Tropomyosin works in conjunction with troponin to regulate the binding of myosin to actin during muscle contraction.
