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alexira [117]
3 years ago
5

Why is the movement of basic elements in ecosystems different from the transfer of energy?

Biology
1 answer:
Dmitrij [34]3 years ago
7 0

Answer:

Chemical nutrients and energy tend to flow in the same direction for most of an ecosystem. The big difference is that the chemical nutrients are ultimately recycled in the ecosystem while the energy is ultimately lost from the ecosystem to the universe at large. Energy in any ecosystem ultimately comes from the Sun

Explanation:

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An enhancer may increase the frequency of transcription initiation for its associated gene when… (indicate true or false for eac
Olenka [21]

Answer:

it is located 1000 nucleotides upstream of the gene’s core promoter - true

it is located 1000 nucleotides downstream of the gene’s core promoter- true

it is in the gene’s coding region - False

Explanation:

These enhancers are located 50 or more kilobases from the promoter they controlled upstream from a promoter, downstream from a promoter within an intron, or even downstream from the <u>final exon</u> of a gene which can be thousands of bp away from the gene's core promoter and can also occur thousands of nucleotides away from the gene's core promoter needing the activity of a DNA -bending protein that binds to the enhancer changing the shape of the DNA and allow interactions between the activators and transcription factors.

4 0
3 years ago
Please Helppp with this question
Delicious77 [7]

Answer:

Well the model above is showing all the planets in order from how close or far away they are from the sun and it also seems to show the scale of each planet compared to another.

Explanation:

As for the Evidence or why it is important to know this is because the scale and location of the planet to the sun directly effects everything about the planet, its Atmosphere, tempterue and rotaion. And the more we learn about all plants we can better underatand our own geological past behavior of its Atmostohere and futute clamatic trends.

5 0
3 years ago
Which of these statements best describes a Southern Blot?
gulaghasi [49]

Answer: Option A - Recognition of DNA sequence by a DNA or RNA probe

Explanation:

Southern blot helps to get the sequence of DNA that is complimentary to the DNA or RNA probe used

3 0
2 years ago
What hormones does the thyroid gland produce?
vivado [14]
Thyroid gland produces:

1) T3<span> (</span>triiodothyronine<span>)
2) </span>T4<span> (</span>thyroxine<span>).
3) T</span>hyroid stimulating hormone<span> (</span>TSH<span>)

Hope this helps!</span>
4 0
3 years ago
5. Mrs. Weasley has Type A blood but she is not sure if she is homozygous or
Stels [109]

Answer:

mrs weasley's genotype is  AA while Mr Weasley's genotype is AB

Explanation:

since the mating of Mr and Mrs Weasley results into = AA, AB, AA and AB

Mrs Weasley has homozygous type A blood while her husband Mr Weasley has heterozygous type A blood as well

3 0
3 years ago
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