The lac repressor functions as a tetramer and requires binding of all four sites before it releases because first it assures that the lactose level is high before the operon turns on for further steps.
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What is Lac Repressor ?</h3>
Lac repressor is a type of protein. It prevents the transcriptional stages of genes which involved in the Lactose utilization. Lac Operon binds to the DNA at a particular site which is known as Operator. Operator is the downstream of the promoter and the upstream of the site of transcription.
Lac repressor is made up of 2 DNA binding subunits which are composed of 2 monomers each and the monomers have particular 4 distinct regions.
To know more about the Lac Repressor please click here : brainly.com/question/7254078
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The provided question is incomplete as there is no required options are available, however the option are as follows:
1. Dementia
2. Depression
3. Disorientation
4. Delirium
Answer:
The correct answer is delirium.
Explanation:
Delirium is alteration of the part of the brain that result in temporary effects in the brain such as mental confusion or emotional disturbance in brain. This case can be arise by the new effect of the drug or interaction of the drug to the brain.
In this case one can experience lack of paying attention, loosing temporary memory and many other condition.
Thus, the correct answer is - delirium.
Answer:
D
Explanation:
In plant cells, the vacuoles are much larger than in animal cells. When a plant cell has stopped growing, there is usually one very large vacuole. Sometimes that vacuole can take up more than half of the cell's volume. The vacuole holds large amounts of water or food.