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Nata [24]
3 years ago
14

What systems work together to detect external stimuli

Biology
1 answer:
Liula [17]3 years ago
6 0
The nervous system and the integumentary system<span />
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If the same base pairs are use to code for all organisms why is there so much variation among organisms
Nikitich [7]
<h2>Answer:</h2>

Because same base pairs are arranged differently among organisms due to which there are so much variations in organisms.

<h3>Explanation:</h3>
  • Variation in the organism is due to the genes.
  • Every one have different DNA/genes which describes one's features.
  • Genes are various arrangements of these four base pairs.

So same base pairs with different pattern arrangement causes variation among organism.

3 0
4 years ago
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What are the lines on a weather map that connect places of equal pressure called?.
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Answer: Isobars are found ONLY on surface charts. They most commonly connect lines of equal pressure in the units of millibars. High pressure isobars generally occurs with isobars above 1010 mb while low pressure isobars occur with lower than 1010 millibars.

Explanation:

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What would happen to other organism if a virus attacked all the fish and killed 50% of them ?
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Other species that rely on those fish would die off. The extinction of one species can lead to the extinction of another and so on.

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What are 3 examples of natural resources
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Oil, coal, natural gas, metals, stone and sand are natural resources. Other natural resources are air, sunlight, soil and water. Animals, birds, fish and plants are natural resources as well.
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The production of hcl is encoded into our dna. using the functions of activators and repressors, explain how hcl is only produce
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Activators and repressors are transcription-control elements that are found in eukaryotic organisms. These elements function during the process of transcription, where a DNA molecule is coded onto a RNA molecule for it to be sent to ribosomes outside of the nucleus and then polypeptide chains are produced from it.

The activators and repressors control which proteins are made, which means that they can either hinder or promote certain functions in the cells of the body. Therefore, even though all of the cells have the same set of DNA, some are able to produce HCl, while others produce other substances such as insulin.
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