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mihalych1998 [28]
2 years ago
12

The model show's a portion of a DNA strand. What does the pentagon represent in the model?

Biology
1 answer:
Anika [276]2 years ago
3 0
The pentagon represents a nucleotide.
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All the different plant populations make up the plant ?
Karo-lina-s [1.5K]

All the different plant populations make up the plant community in this swamp. The plants are part of a bigger ecosystem that contains many abiotic and biotic factors.

<h3>What is an Ecosystem?</h3>

An ecosystem may be defined as a place or an area that involves individuals of different species that live together and interact with one another for the purpose of food, shelter, and space.

In ecology, a community may be defined as a group of individuals belonging to different species that are living in the same area at a given time.

So, all the different plant populations make up a plant community.

Therefore, the community is the collection of all different forms of species but the ecosystem is the community has highly influenced by abiotic and biotic factors.

To learn more about Ecosystem, refer to the link:

brainly.com/question/7413811

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Define Trait please
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What are the 4 nitrogenous bases of dna
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Adenine, Thymine, Cytosine and Guanine.

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In double helix, the nitrogenous bases of opposite nucleotides form pairs through hydrogen bonds. The nitrogenous base adenine of one nucleotide forms pair with thymine of opposite nucleotide, while cytosine forms pair with guanine.

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Why isn’t blended inheritance a good explanation of heredity
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What would cause a person to have headaches from the sun only when not wearing a hat?
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There are 4 main reasons, which we discuss in detail below:

Reduced tolerance for light

Greater sunlight sensitivity between attacks

Longer duration of sun exposure

Exposure to specific wavelengths emitted by sun

People prone to light-induced migraine episodes generally have a lower threshold for light. In fact, the light of an overcast and cloudy day can be enough to cause pain! Thus, even normal levels of light exposure—much less bright days—can lead to headaches and other migraine symptoms.
The tolerance for light can also be lower between attacks making people more sensitive even when they are not in pain. This means a person may not immediately have a headache while outside, but it may be building. And if you just came out of an attack, you may find that your symptoms linger as a result of sun exposure.
If you don’t have an immediate headache or migraine from the sun, experts have further suggested that the cumulative effect of sunlight exposure over time can be just as damaging. Ultimately, the longer you stay outside, the more likely you may develop a headache.

Lastly, the sun emits a spectrum of light wavelengths, one of the strongest of these being high energy visible light or what most people label blue light. In fact, blue light is everywhere—fluorescents, device screens, and other artificial sources as well. And blue light has been repeatedly identified as the most painful color of light for people with migraine. thus the combined effect of sun brightness and these painful wavelengths can be a dynamic duo of unpleasantness.
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