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natka813 [3]
2 years ago
15

8. How do the coal deposits found in Russia support the continental drift theory?

Biology
1 answer:
iVinArrow [24]2 years ago
4 0

Answer:

Russia was somewhere next to North America when Pangea was still in 1 piece. A coal deposit formed on the border, and Pangea drifted apart, separating the coal deposit into 2. Finding 2 identical coal deposits supports the continental drift theory, because it proves the 2 points were next to each other previously

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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.

5 0
3 years ago
All cells have _____. (Select all that apply.) an outer membrane or plasma membrane cytoplasm a cell wall a nucleus protoplasm l
alexgriva [62]
Plasma membrane
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3 0
3 years ago
Read 2 more answers
6.1.3 Final Exam: Semester 2 Exam
pashok25 [27]

The parental phenotype is the mother's free earlobes (Ff) and the father's nonfree earlobes (ff).

<h3>What genotype and phenotype?</h3>

The genotype refers to the information present in an individual's genome. Unlike the phenotype, it is not observable and rarely changes. The phenotype, in turn, depends on a combination between our genotype and the environment and can be defined as the observable characteristics of an individual.

With this information, we can conclude that the parental phenotype is the mother's free earlobes (Ff) and the father's nonfree earlobes (ff).

Learn more about genotype in brainly.com/question/12116830

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8 0
2 years ago
Which of the following is not true of producers?
Ilya [14]
D
producers are plants, so they won’t attack anyone
5 0
3 years ago
A fern is in the sporophyte phase of its life cycle. Which of the following best explains what happens next in the fern’s life c
marin [14]

Answer: a. Haploid spores are released to form zygotes, which grow into gametophytes.

A fern has two different stages of the life cycle; the sporophyte and gametophyte. In the sporophyte, spores are released. After this life cycle comes the gametophyte or the sexual phase,  <span>haploid spores are released to form zygotes, which grow into gametophytes. </span>

6 0
3 years ago
Read 2 more answers
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