Answer:
12
12
24
Explanation:
<em><u>Musca</u></em> <u><em>domestica</em></u> is the scientific name of an animal popularly known as Housefly. From the question, it is known that this organism has a haploid chromosome number of 6.
In a diploid chromosomes, the number of chromatids that will be present will be twice of that in haploid.
Since haploid (n) = 6, diploid (2n) will be; 2 × 6 = 12
Somatic cells on the other hand also exhibit diploid number of chromosomes, again it means we will have (2n) = 2 × 6 = 12
In metaphase cell, cells do make sure they complete the S'phase of the cell cycle before cellular division.Therefore, the DNA present in the chromatids in the S'phase actively engage in chromatids doubling, as a result, 24 chromatids (i.e 12 × 2= 24) exists in the metaphase cell.
Water helped to shape the new American colonies in the 18th-century by providing drinking water, fertile soil to grow crops and a way to transport goods.
<h3>What was the importance of water for American colonies?</h3>
New American colonies were benefited by the water bodies due they could use this water for drinking and transport.
Water was also a powerful source to create watermills, which helped with different tasks.
In conclusion, water helped to shape the new American colonies in the 18th-century by providing drinking water, fertile soil to grow crops and a way to transport goods.
Learn more about first American colonies here:
brainly.com/question/17971216
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Answer:
Facilitated diffusion involves transport protein
Explanation:
In stage 1, both birthrate and death rate are high, and the population grows slowly. Stage 1 describes the US for the early years of history. Then during Stage 2, improvements in health care, sanitation, and nutrition all people to live longer and reduce the death rate. The birthrate however, remains high during this stage so the population increases rapidly. This occurred in the US in the 1800s. Eventually, birthrate decreases to match the low death rate and the population growth slows and eventually stops. This is the US today.
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