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What is a promoter in DNA?
A promoter is a sequence of nitrogenous bases in DNA that signals the enzyme complex "DNA-polymerase" to begin unwinding the gene to transcribe it. A promoter is usually referred to as a "TATA (thymine, adenine, thymine, adenine) box" or a "CAAT (cytosine, adenine, adenine, thymine) box". As DNA polymerase makes its way down a section of DNA and comes across TATA box, or a CAAT box, that is the signal to begin transcription.
What do genes consist of?
Genes consist of segments of DNA that code for specific proteins. These segments are made up of combinations of four nucleotide bases: adenine (A), thymine (T), cytosine (C), and guanine (G). Genes are the basic unit of heredity and contain the instructions for building and regulating an organism's cells and tissues.
What are two important sequences on a plasmid?
The two most important sequences are the expression cassette and the selection marker.The expression cassette contains a promoter and termination sequence, with a multiple cloning site sandwiched in between. It is the section of the plasmid that integrates into the genome of the target organism. The gene of interest is cloned into the multiple cloning site by digesting both plasmid and gene fragment with restriction enzymes that produce complementary ends. Once the plasmid has been transferred into the target organism the promoter sequence determines when the gene is transcribed. Some promoters are always active (Cauliflower Mosaic Virus 35S is most common) and others are developmentally or environmentally regulated, so that the gene is only expressed at specific times. The termination sequence determines where transcription stops.The selection marker is used to determine which organisms are carrying the gene of interest. It usually contains a promoter, resistance gene and termination sequence and forms part of the expression cassette. In most cases antibiotic resistance is used as selection. For example the nptII gene encodes for kanamycin resistance.
What is a synonum for gene expression?
Gene expression could also be known as gene transcription, as the process almost always involves transcribing genes into RNA and/or protein types.
By convention the sequence of bases in a nucleic acid is always written in which direction?
The sequence of bases in a nucleic acid is always written in the 5' to 3' direction.
What are the structures of Genes?
The Fine Structures are as follows: 1) The Start Codon: Met is specific for one amino acid [Met] yet f-Met uniquely specifies the Start codon.2) There are two kinds of 'upstream promotion' sequences: i) the furthest upstream are called the 'Enhancer sequences', and ii) the control sequences nearer to the Gene are called the 'Promoter sequences'.3) Right beside the Promoter sequence is always found the Operator Sequence: this proffers the attachment for and to the Start Codon. After the Start Codon, the Protein Coding Sequence ensues, followed by Termination sequences.
What is a promoter in DNA?
A promoter is a sequence of nitrogenous bases in DNA that signals the enzyme complex "DNA-polymerase" to begin unwinding the gene to transcribe it. A promoter is usually referred to as a "TATA (thymine, adenine, thymine, adenine) box" or a "CAAT (cytosine, adenine, adenine, thymine) box". As DNA polymerase makes its way down a section of DNA and comes across TATA box, or a CAAT box, that is the signal to begin transcription.
When was Always Drink Upstream from the Herd created?
Always Drink Upstream from the Herd was created on 1995-10-31.
Is the mouth of the Nile River upstream or downstream from its source?
Downstream. The source of a river is always upstream.
How do you determine the upstream of a river?
Water always flows down a river, so upstream is the opposite direction from the direction in which the water flows.
What directions do koi fish swim?
Anything with a face should be looking inward and almost never outwards, and with Koi, they ALWAYS go upstream and never downstream.
Is 1 11 an arithmetic sequence?
Any pair of numbers will always form an arithmetic sequence.
What do genes consist of?
Genes consist of segments of DNA that code for specific proteins. These segments are made up of combinations of four nucleotide bases: adenine (A), thymine (T), cytosine (C), and guanine (G). Genes are the basic unit of heredity and contain the instructions for building and regulating an organism's cells and tissues.
Does a stream always have the same amount of water in it?
No. It will change dramatically depending on the amount of precipitation upstream.
What are two important sequences on a plasmid?
The two most important sequences are the expression cassette and the selection marker.The expression cassette contains a promoter and termination sequence, with a multiple cloning site sandwiched in between. It is the section of the plasmid that integrates into the genome of the target organism. The gene of interest is cloned into the multiple cloning site by digesting both plasmid and gene fragment with restriction enzymes that produce complementary ends. Once the plasmid has been transferred into the target organism the promoter sequence determines when the gene is transcribed. Some promoters are always active (Cauliflower Mosaic Virus 35S is most common) and others are developmentally or environmentally regulated, so that the gene is only expressed at specific times. The termination sequence determines where transcription stops.The selection marker is used to determine which organisms are carrying the gene of interest. It usually contains a promoter, resistance gene and termination sequence and forms part of the expression cassette. In most cases antibiotic resistance is used as selection. For example the nptII gene encodes for kanamycin resistance.
The mode will always be unique?
The mode statistic is not always unique. For example, look at the following sequence of numbers: 1,2,2,3,4,4,5. Both 2 and 4 are modes for this sequence.
What is a synonum for gene expression?
Gene expression could also be known as gene transcription, as the process almost always involves transcribing genes into RNA and/or protein types.
