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Lisa [10]
3 years ago
14

A nucleosome forms hydrogen bonds with what part of the DNA? A nucleosome forms hydrogen bonds with what part of the DNA? only w

ith bases via the minor groove only with bases via the major groove with the phosphodiester backbone and with bases via the major groove with the phosphodiester backbone and with bases via the minor groove
Biology
2 answers:
Blizzard [7]3 years ago
7 0

Answer:

With the phosphodiester backbone and with the bases via the minor groove

Explanation:

Nucleosomes form hydrogen bonds with the DNA to allow for the compacting of the DNA in eukaryotic cells. The nuceosomes consists of histone octamer surrounded by several base pairs wrapped in an helical manner.

The DNA interacts with the nucleosomes via it's histone octamer; the minor groove of that DNA bonds with the base pairs of that nucleosomes mostly the A:T base pairs more than the G:U; the phosphodiester backbone of the DNA.

Papessa [141]3 years ago
4 0

Answer:

The correct answer is: D) with the phosphodiester backbone and with the bases via the minor groove .

Explanation:

In eukaryotes, <u>nucleosomes are the basic structural unit of packaged DNA</u>. The nucleosome consists of a histone octamer that is wrapped by the DNA strands. This structure is key to compact the extremely long DNA molecule.

In order to achieve this structure, the nucleosome forms hydrogen bonds with the DNA: the hydrogen from the histone-fold bonds with both the A:T rich bases and the phosphodiester backbone.

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7 0
3 years ago
a mitosis inhibitor is a medication that is designed to prevent mitosis in certain cells why would these be helpful in the treat
rewona [7]

Tumors are caused due to uncontrolled growth of cells. Thus a mitosis inhibitor could be effective medication to treat tumor because it will inhibit cell proliferation and development of tumor.

Explanation:

  • Tumors are  mass of tissue that developed as a result of uncontrolled cell division.
  • Cell division is a continuous process in our body and it replaces old and damaged cells with new one.
  • But in case of tumors the cell division  takes place in uncontrollable manner and continues to add cells to the tissue while the cell death do not take place.
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6 0
3 years ago
What is meant by a "hole" in the fossil record?
just olya [345]

Explanation:

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4 0
3 years ago
What determines whether or not a particular cell will respond to a particular hormone? a. The target cell must have a receptor t
prohojiy [21]

Answer:

Option (a).

Explanation:

Hormones may be defined as the chemical messengers of the body that may have short term and long term effects on the body of individual. Hormones plays an important role in the growth and metabolism.

The cell of the body respond only against a particular hormone. The cells have the receptor, these receptors have the ability to bind with the hormone. The binding of hormone with receptor initiates a signalling cascade that helps in the particular functioning of the hormone.

Thus, the correct answer is option (a).

6 0
4 years ago
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Mama L [17]

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3 0
3 years ago
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