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erma4kov [3.2K]
3 years ago
13

To make an mRNA transcript from a gene, the RNA polymerase needs to 'know' where to start and to stop. What are the signals and

proteins involved in initiating and terminating RNA polymerase activity in E. coli?
Biology
1 answer:
labwork [276]3 years ago
7 0

Answer:

In E. coli promoter there are two consensus sequence which is located upstream to from the start site of the transcription. One consensus sequence is present at -10 and one at -35.  

These consensus sequences are necessary to be recognized to start the transcription. It is recognized by the sigma factor which is a part of RNA polymerase. After recognition transcription starts.

The termination of transcription occurs by a rho protein. Rho is ATP dependent RNA stimulated helicase which disrupts the complex of RNA-DNA and terminates transcription.

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Which of the following options correctly describes the behavior of a tetrad during anaphase 1 of meiosis?
Svet_ta [14]

The answer is; C

Homologous chromosomes have the same genes on the same loci. However, they may have different forms of the same gene called alleles. These sister chromosomes, of a homologous pair, separate during anaphase I of meiosis. The two daughter cells formed will, therefore, have half the genetic material as the parent cell. This is because they will only have one set of the genes (as in diploid organisms) and are called gametes.


7 0
3 years ago
Can Frogs have neck​
Volgvan

Answer:

Frogs have skulls but don't have necks

3 0
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Describe three adaptive advantages of the mammalian autonomy
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4 0
3 years ago
What is the your groundbreaking idea for a razor or hair removal product that awakens your senses?​
Hatshy [7]

Answer:

hope it helps you

Explanation:

Traditionally, shaving and hair removal brands provide mainly functional benefits:   they get the job done, but they don’t deliver an enriching, self-care experience.  Their products aren’t going to uplift you or make you feel calm and relaxed.  Instead, they offer mundane experiences and boring designs and scents.

As a leading personal care brand, we are looking for razor and shave preparation ideas that will make shaving enjoyable, that are experiential, and that stimulate the senses (olfactory, tactile, vision, etc.).  We are looking for creative solutions that will appeal to those who love variety, who enjoy exploring new things, and who value enriching experiences.  Personal care should give us a chance to reground ourselves, awaken our senses, and feel better in our day-to-day.

We are interested in groundbreaking ideas for wet-shave devices (e.g. razors) and/or packaging that will awaken your senses without compromising the effectiveness or durability of the products.

Your idea could improve the sensory shaving experience at any level.  Primarily, we are looking for ideas that relate to razors, but we are also open to shave preparation (pre, during, post shaving) as well as packaging.  In proposing your idea(s), please consider the following:

Be creative!  Feel free to go beyond scents / olfactory experience.

Bring ideas for razors, shave preparation, pre-shaving and post-shaving.

Women should be the target demographic for your product idea.  Please be sure your idea has feminine appeal.

Your idea should be feasible for high-volume production (think about processing conditions and high speed manufacturing).

Your product idea should be able to survive in the typical “bathroom” / usage environment of a razor.  Think of the shower, where there is high humidity, exposure to chemicals from other products, etc.

Please include any references or background information related to your proposed material sources.  We want to understand what inspired your idea and review any relevant sources that support it!

Begin by answering the survey questions below.

8 0
3 years ago
Wernicke-korsakoff syndrome is associated with the decreased absorption and utilization of:______
Mariulka [41]

Wernicke-korsakoff syndrome is associated with the decreased absorption and utilization of thiamin. The correct answer is c. thiamin..

The neurological condition Wernicke-Korsakoff syndrome is brought on by a lack of vitamin B1 (thiamin). There is no distinction between Korsakoff syndrome and Wernicke encephalopathy. The disease process is the same but at various stages. Both result from brain damage brought on by a deficiency in vitamin B1.

A prevalent deficiency in vitamin B1 is found in patients with alcohol use disorders. Additionally, it frequently affects persons whose bodies do not adequately absorb meals (malabsorption). This can occasionally happen after bariatric surgery or in conjunction with a chronic condition.

Following the disappearance of Wernicke encephalopathy symptoms, Korsakoff syndrome frequently appears. The thalamus and hypothalamus, two lower regions of the brain, are damaged as a result of Wernicke encephalopathy. Memory-related brain regions suffer permanent harm in people with Korsakoff syndrome.

To know more about thiamin click here

brainly.com/question/15292743

#SPJ4

6 0
2 years ago
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