The trp operon is a group of genes that code for enzymes involved in the synthesis of tryptophan, an amino acid.
The regulation of these genes is done by two regulatory processes:
- Transcriptional attenuation
- Post-transcriptional attenuation.
Transcriptional attenuation is the process by which transcription of a gene is reduced by the binding of regulatory proteins to the DNA at or near the promoter region. Post-transcriptional attenuation is a process where degradation of RNA molecules occurs after they are transcribed from DNA, but before they are translated into protein.
<h3 /><h3>How do they modulate trp operon transcript levels?</h3>
- The trp operon is a system of genes that encode the enzymes needed to synthesize tryptophan from indole-3-glycerol phosphate.
- The transcription of these genes is controlled by a repressor protein. When tryptophan levels are high, the repressor binds to the operator and prevents transcription. When tryptophan levels are low, the repressor is not bound to the operator and transcription can proceed.
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I think that these factors are :the type of radiation , the duration of exposure to the radiation and the amount of radiation exposure. Radiation is commonly used to treat many medical conditions. Frequently used as a therapy for various forms of cancer, it is common for radiation to cause death of cells both cancerous and healthy cells in the areas irradiated. The extent of damage caused depends on the type of radiation irradiated, the duration of exposure and the amount of radiation.
The steps of fracture repair include:
- Hematoma formation.
- Fibrocartilage Callus Formation.
- Bony Callus Formation.
- Bone remodeling.
<h3>What is a fracture?</h3>
A fracture is a complete or partial break in a bone. The causes of bone fractures include trauma, overuse, and diseases that weaken bones.
In this case, Kyndall was lucky because the fracture occurred about 3 inches below the epiphyseal plate as this means the fracture does not break through the bone at the growth plate.
An improperly treated growth plate fracture could result in a fractured bone.
Lastly, the type of fracture is a nondisplaced fracture is one in which the bone cracks or breaks but retains its proper alignment.
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Answer:another term for transposon.
Explanation: hope its helps :)