The structure formed by wrapping DNA around a histone core is called a nucleosome.
A section of DNA wrapped around core histoneproteins is termed a nucleosome. The protein and DNA complex inside the nucleus is called chromatin. This is a thread-like structure due to the formation of which DNA is condensed into a small volume.
The structure of chromatin appears to be like 'beads on a string under a microscope. The beads are the nucleosomes. The nucleosomes are small structures with a diameter of approximately 11 nm. Also, nucleosomes are known to be the fundamental subunits of chromatin.
In each nucleosome, a set of eight histone proteins are present. There are about two turns of DNA in each nucleosome around eight histone proteins. These histone proteins are known as histoneoctamer. There are two sets of each histone protein namely, H2A, H2B, H3, and H4.
Therefore, the structure formed by wrapping DNA around a histone core is called a nucleosome.
Read more about nucleosomes, here
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Temperate rain forest
Taiga
Grassland
Answer:
Temperate rainforest
Explanation:
I took the test.
Answer:
B-temperate rain forest
Explanation:
cause i am smart
Crop rotation does all the things listed in the options exceptoption d. organic fertilizer.
Crop rotation is a farming practice that involves the systematic planting of different crops in a specific order over time. It offers several benefits to agricultural systems, including minimizing erosion, letting fields lie fallow (rest) to restore soil health, and returning nutrients to the soil. However, crop rotation itself does not involve the use of organic fertilizer. Instead, it focuses on the strategic arrangement of crops to enhance soil fertility and reduce pest and disease buildup.
Therefore, the correct answer is d) organic fertilizer.
Learn more about crop rotation here:
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Answer:
cools off
Explanation:
B. photosynthesis
C.respiration
D.Weathering
Answer:
A. decomposition
Explanation:
Decomposers are microorganisms such as bacteria, fungi and worms. These organisms are significant decomposers which can break down most types of organic matter. All the living organisms are made of carbon. They all require carbon their growth and reproduction. Decomposers decompose dead organisms and use the carbon dioxide released from them for their food. Therefore, decomposers help in cycling of carbon from dead bodies into the atmosphere through cellular respiration.
Answer:
The correct answer would be ribs (rib cage), skull and spine.
Explanation:
Our skeletal system provides support to the body, shapes and protects vital organs. There are three major and most important bones that protect our vital organs. These three bones are - ribs or rib cage, skull, and spine.
The rib cage or ribs protect the most important organs of the body - heart, and lungs. Ribs are attached to the vertebral column and sternum in the thorax.
Skull is also protecting one of the most important organs which are the brain. The brain is a very vital and sensitive organ. Skull is consists of twenty-two bones.
Spine has 33 vertebrae bones that interlock to form the spinal column. It protects the spinal cord, nerve roots, and other organs.
Thus, the correct answer would be ribs, skull, and spine.