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3 years ago

Where can the element iron be found in nature?

Biology

1 answer:

Katen [24]3 years ago

4 0

So Iron can be found in many many different things.

•The core of the earth is majorly composed of Iron, Sulfur, and Nickel.

•It can be found In minerals such as Magnetite and Taconite.

•It can be found In meat, poultry, and fish.

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Nucleic acid

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Which best describes a gene?

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A gene is a segment of a DNA strand.

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What are the various characters of living beings

Doss [256]

Answer:

All living organisms share several key characteristics or functions: order, sensitivity or response to the environment, reproduction, growth and development, regulation, homeostasis, and energy processing. When viewed together, these eight characteristics serve to define life.

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Although nonliving things may show some of these characteristic traits, only living things show all of them.

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3 years ago

Can you apply what happens to bacteria during antibiotic treatment to other scenarios?

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Antibiotics stop the bacteria growth, reproduction or destroy the bacteria.

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Antibiotics are known as those popular medicine which is helpful and also can fight for certain type of infection. Their main role is to stop their growth, reproduction or otherwise destroyed it.

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3 years ago

In which ways can the individual steps of this process be regulated to lead to higher or lower expression of a particular protei

Dahasolnce [82]

Answer:

There are many points at which eukaryotic gene expression can be controlled, through pretranscriptional control, transcriptional control, and posttranscriptional control

Explanation:

The pretranscriptional control determines the accessibility of chromatin to the transcription machinery. It is affected by supercoiling and methylation. It is also known as epigenetic regulation, and it does not depend on the sequence but on the conformation of the DNA.

While transcriptional control determines the frequency and / or speed of transcription initiation through the accessibility of the start sites, the availability of transcription factors and the effectiveness of promoters.

The post-transcriptional control is the one that is exercised once the transcript has finished synthesizing. It can be of several types:

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• Stability control: The half-life of RNA can be regulated by the expression of RNAs or mRNA stabilizing proteins in the cytoplasm.

• Translational control: It is exercised on the frequency with which the mRNAs begin to be translated. It can also affect the frequency with which proteins mature and the availability of enzymatic effectors.

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