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ycow [4]
4 years ago
9

In eukaryotes, the wrapping of dna around nucleosomes introduces negative supercoiling. why?

Biology
2 answers:
Bond [772]4 years ago
5 0

In Eurkaryotes, the wrapping of DNA around nucleosome presents negative supercoiling in light of the fact that negative super loop bunches have high bending pressure and are less firmly stuffed. The join circle of protein and chromosome is called nucleosome.  

Further Explanation:  

Eukaryotes:  

Eukaryotes are living beings whose cells have a core encased inside films, in contrast to prokaryotes, which have no layer bound organelles. Eukaryotes have a place with the space Eukaryota or Eukarya. Their name originates from the Greek εὖ and κάρυον.  

Organisms are Eukaryotes:  

An eukaryote is a organisms with complex cells, or a solitary cell with an unpredictable structures. In these cells the hereditary material is sorted out into chromosomes in the cell core. Creatures, plants, green growth and organisms are generally eukaryotes. There are likewise eukaryotes among single-celled protists.  

The four eukaryotic kingdoms :  

• Animalia.  

• Plantae.  

• College.  

• Fungi.  

• Protista.  

Example of Eukaryotes:  

Pretty much every life form you're comfortable with is an eukaryote. Single celled life forms like yeast, paramecia and amoebae are generally eukaryotes. Grass, potatoes, and pine trees are for the most part eukaryotes, as are green growth, mushrooms, and tapeworms.  

Human eukaryotes:  

In spite of the way that we have gobs of prokaryotic cells living inside and on us, people are still completely eukaryotic living beings. This implies every human cell incorporating those found in the cerebrum, the heart, the muscles, etc are likewise eukaryotic.

Subject: biology

Level: High School

Keywords: Eukaryotes, Organisms are Eukaryotes, Example of Eukaryotes, Human eukaryotes.

Related links:  

Learn more about evolution on

brainly.com/question/2416343

brainly.com/question/2947239

ikadub [295]4 years ago
4 0
In eurkaryotes, the wrapping of DNA around nucleosome introduces negative supercoiling because negative super coil knots have high twisting stress and are less tightly packed.The combine loop of protein [histone] and chromosome is called nucleosome. 
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The chytrid fungus Batrachochytrium dendrobatidis is colonizing frogs across the globe causing massive mortality and even pushin
Elanso [62]

Answer:

Parasitism

Explanation:

Batrachochytrium dendrobatidis is a parasitic chytrid fungus which is responsible for the declining population of amphibians in the rain forests of Panama and Australia.

The fungus grows on the keratinized layer of epidermis on amphibian skin and makes a thick covering of fungus on the amphibian's skin. So as amphibian's skin helps them to maintain the proper osmotic balance in the body so when a thick fungus grows on their skin they are not able to maintain the correct osmotic balance in their body which leads to amphibian death.

So as Batrachochytrium dendrobatidis is a parasitic fungus and gets its nutrition from the frog body and do not kill frog immediately as in predation therefore this relationship can be considered as parasitism.

4 0
3 years ago
In this case, kim's mother's burn formed blisters. These blisters are often closed and fluid filled. Recall that a first-degree
laila [671]

The blisters occur in the second degree burn. The first degree burn only cause the damage to the outer layer of the skin. The blisters are a result of the accumulation of the fluid between the epidermis (outer layer of the skin) and the layers below it. So, for blisters to occur, at least damage to two layers of skin is necessary.

In first degree burn, due to the damage to epidermis only, the redness occur and the blisters does not occur.

6 0
3 years ago
A DNA strand has the sequence ACCGAGCTT. Which is the complementary strand of RNA?
8090 [49]
Answer:
A

Explanation:
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3 years ago
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Describe the function of each organelle.
Elis [28]

Answer:

Cytoplasm: Fluid between the cell membrane and the nucleus. helps protect organelles

Nucleus: A part of the cell containing hereditary information and is responsible for growth and reproduction; the "command center" of the cell.

Ribosome: A small particle in the cell that can make proteins.

Endoplasmic Reticulum: A cell structure that forms a maze of passageways in which proteins and other materials are carried from one part of the cell to another.

Golgi Apparatus: A cell structure that helps make and package materials to be transported out of the cell or for storage inside the cell.

Lysosome: Cell organelle filled with enzymes needed to break down certain materials in the cell, such as large food particles or old parts of the cell. May be found only in animal cells.

Vacuole: Saclike storage structure in the cell. can store water, nutrients, and even toxic substances.

Mitochondrion: An organelle containing enzymes responsible for producing energy. (Metabolism/respiration)

Chloroplast: An organelle found in the cells of plants and some other organisms that captures the energy from sunlight and converts it into chemical energy (photosynthesis).

Cell membrane: The thin, flexible barrier around a cell; controls what enters and leaves the cell.

Cell wall: The structure outside of the cell membrane that is used to provide support and protection. Present in plants, algae, fungi, and many prokaryotes.

8 0
3 years ago
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