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Lelechka [254]
2 years ago
13

Which statement is correct regarding the semiconservative nature of DNA?

Biology
1 answer:
galina1969 [7]2 years ago
5 0

Answer:

B. Nitrogenous bases in each "parent" strand serve as a template for the new strand to be made

Explanation:

DNA replication is the process whereby the contents of DNA is doubled or duplicated. In other words, another copy of DNA is produced from one DNA molecule. The process follows the semi-conservative model, which generally speaks of how one template strand is used to synthesize another new strand.

In the semi-conservative model of DNA replication, the double strand of DNA is unwind and one of the strands called parent strand is used synthesize a complementary strand of DNA. At the end of the process, two DNA molecules results with each having one old strand and one new strand. Nitrogenous bases or nucleotides in each "parent" strand" serve as a template for the new strand to be made.

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Cancer is the uncontrolled growth of cells. Which of the following would be most likely to cause
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Mutations in regulatory proteins during the cell cycle may cause affected cells to divide uncontrollably

Explanation:

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List the levels of organization from smallest to losest​
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Explanation:

in the human body or in general sweetie?

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In a population of tree frogs, the allele that causes yellow eyes (Y) is dominant over the allele that causes orange eyes (y). I
Alex787 [66]

Allele that causes yellow eyes (Y) is dominant over the allele that causes orange eyes (y)

Y = 85% = 0.85 and

y = 100% - 85% = 15% = 0.15

f(y) = square root of y = √y = √0.15 = 0.387

frequency of the allele that causes orange eyes = 0.387

Once we know the value of y, Y + y = 1

Putting the value of y, we get

Y = 1 – 0.387

<span>Frequency of the dominant allele that causes yellow eyes = 0.61</span>

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3 years ago
3. An irregularly shaped stone was lowered into a graduated cylinder
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Sonographic findings of severe micromelia, decreased or absent ossification of the spine, macrocephaly, and micrognathia describ
andrew-mc [135]

Answer: Option A.

Achondrogenesis

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Sonographic findings of severe micromelia, decreased or absent ossification of the spine, macrocephaly, and micrognathia are conditions of Achondrogenesis because

Achondrogenesis is a genetic disorder that is as a result of mutations in gene SLC26A2 which is responsible for cellular transport proteins that is needed for the growth and development of bones and cartilage. This condition lead to malformation of bones and cartilage and it is characterized by short limbs, small body, narrow chest ,prominent abdomen,underdeveloped lungs,lack of ossification in the spine and pelvis, prominent head, small chin e.t.c.

It is a condition that affects infants.

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