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What cause RNA polymerase to stop transcribing mRNA?
RNA polymerase stops transcribing mRNA when it encounters a termination signal in the DNA sequence, typically a specific sequence of nucleotides that signals the end of a gene. This signal can be formed by specific sequences that lead to the formation of a hairpin loop in the RNA, causing RNA polymerase to dissociate from the DNA template. Additionally, termination factors may assist in this process, ensuring that transcription is completed accurately.
How is the signal between neurons stopped?
The signal between neurons is primarily stopped through the process of neurotransmitter reuptake and enzymatic degradation. After neurotransmitters are released into the synaptic cleft and bind to receptors on the postsynaptic neuron, they are either reabsorbed into the presynaptic neuron by transporters or broken down by enzymes. This cessation of neurotransmitter action prevents continuous stimulation of the postsynaptic neuron, effectively terminating the signal. Additionally, some neurotransmitters may diffuse away from the synapse, further contributing to signal termination.
What is in DNA a three nucleotide sequence that encodes an amino acid or signifies a start signal or a stop signal?
A three-nucleotide sequence in DNA that encodes an amino acid is called a codon. There are also specific codons that signal the start of protein synthesis (start codon) or the termination of protein synthesis (stop codon). These codons help in translating the genetic code from DNA to proteins during transcription and translation processes.
Does Termination of Approving Official accounts result in the termination of all cardholder accounts assigned to them?
No, terminating an Approving Official account does not result in the termination of all cardholder accounts assigned to them. Cardholder accounts remain active unless individually terminated.
USS UGA or UAG codons found at the ends of mrna?
UAA, UAG, and UGA are stop codons that signal the end of protein synthesis. When they are reached on the mRNA, translation stops, and the completed protein is released from the ribosome.
What are the three codons that signal the termination of translation?
The three codons that signal the termination of translation are UAA, UAG, and UGA.
Describe the difference between a termination signal and a stop codon?
Termination signal is at the end of the part of the chromosome being transcribed during transcription of mRNA. While in a stop codon, also called termination codon, is a nucleotide triplet within messenger RNA that signals a termination of translation.
What types pf termination are used for single-ended cable for differential?
For single-ended cables used in differential signaling, common types of termination include series termination and parallel termination. Series termination involves placing a resistor in series with the signal line to match the source impedance, reducing reflections. Parallel termination, on the other hand, connects a resistor from the signal line to ground or the power supply, providing a path for reflections to dissipate. Both methods help maintain signal integrity and reduce crosstalk in differential transmission lines.
What is true regarding SCSI termination?
SCSI termination is essential for proper communication in SCSI (Small Computer System Interface) devices, as it prevents signal reflections that can lead to data corruption. Each SCSI bus must have termination at both ends, typically using resistors, to ensure that signals are correctly transmitted and received. Active termination is preferred in high-speed SCSI configurations, as it provides better signal integrity compared to passive termination. Incorrect or missing termination can result in device malfunctions and system instability.
What is meant by proper termination of transmission line?
Proper termination of transmission line means to provide a circuit at the end of the line, often a resistor or an antenna, that matches the characteristic impedance of the line. Incorrect or missing termination causes reflection of the signal back to the transmitter. In best case, you distort the signal. In worst case, you destroy the transmitter.
What is the purpose of the FIN ACK message in a TCP connection termination process?
The purpose of the FIN ACK message in a TCP connection termination process is to acknowledge the receipt of a FIN (finish) message from the other party and signal the completion of the connection termination process.
What is signal termination?
RNA polymerase blinds to the first DNA nucleotide and begins pairing complementary base and continues down the DNA until reached a point called the Termination Single
How are RNA hairpin turns related to termination?
RNA hairpin turns contain a termination signal that is recognized by specific proteins involved in termination of transcription. When RNA polymerase encounters this signal, it triggers the release of the RNA transcript and dissociation of the RNA polymerase from the DNA template, marking the end of transcription.
What is the function of the kill command?
The 'kill' command is used to send a 'signal' to a process. The process is then free (for the most part) to interpret the signal as it wishes, assuming it is not a termination signal that cannot be ignored. A signal is an interrupt to the process; there are many signals that may be sent to a process or program.
Why is it critical to follow termination standards for networking media?
Following termination standards for networking media is critical to ensure signal integrity, minimize interference, and maintain optimal performance in network communication. Proper termination prevents issues like signal loss, crosstalk, and reflections that can degrade data transmission quality. Additionally, adhering to standards promotes compatibility and interoperability among various networking devices, reducing troubleshooting complexity and enhancing overall system reliability. Ultimately, it leads to a more efficient and robust networking environment.
How many protein-coding codons are there?
61 codons specify the amino acids used in proteins and 3 codons (stop codons) signal termination of growth of the polypeptide chain...so 64 total
How is termination spelled?
Termination
