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katrin2010 [14]
3 years ago
5

The human heart is separated into left and right sides. this type of structure provides for the

Biology
1 answer:
Evgen [1.6K]3 years ago
3 0
Systematic separation of the circulation of the blood. The right side of the heart receives oxygen-poor blood from your body and pumps it to the lungs. The lungs oxygenate the blood which returns to the heart and is pumped to the rest of the body by the left side of the heart. After which the blood returns to the right side, completing the cycle of circulation.
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How do the population in a community depend on each other
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3 years ago
I need help please:((((((
Murljashka [212]

Answer:

C. Under the age of 20

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3 years ago
A scientist is trying to determine the relationship between clams, snails, and squid. When she generates a molecular clock, she
sleet_krkn [62]

Based on the description above, the molecular clock data shows is that the Clams and Snails are more similar and related in structure compared of the clams and squids. It is because it could be seen in the process that organism are better in adapting to their environment in means of increasing their number, survive and to pass on their traits to the next generation.

4 0
4 years ago
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The length of linker DNA segments varies somewhat among organisms. The length of the linker DNA in sea urchin is 110 base pairs.
nasty-shy [4]

Answer:

362 nucleosomes

Explanation:

A nucleosome repeat is made up of the DNA (146 bp) wrapped around the core nucleosome particle and the linker DNA (110 bp as in this situation). We can conclude that, every repeat stands for 256 (146 + 110) base pairs of DNA.

We are given the length of the entire region to be 92,672 bp long,

To determine the number of nucleosomes to organize the region into the 10nm fiber structure

Let,

Number of nucleosomes =

the length of the entire region

------------------- -----

base pairs of DNA.

= 92,672

-------

256

= 362 nucleosomes

Therefore, 362 nucleosomes is needed to structure the region into the 10nm fiber structure.

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