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RUDIKE [14]
2 years ago
5

How are histone modification enzymes (such as HATs) and chromatin remodeling complexes recruited to unmodified chromatin, and ho

w are they thought to aid in the activation of transcription from previously silent genes?
Biology
1 answer:
kiruha [24]2 years ago
3 0

Answer:

A histone modification mechanism proliferate through a process that includes post translational modification procedure. The methylation, acetylation as well as ubiquitylation are one of the main modifiers that help in activation of silent genes and ultimately these covalently bonded histone modifiers help in regulating chromatin. The PTM has a main role in altering histone structure by these modifier's recruitment....

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Animals plants and other photosynthesizing organisms play important roles in the nitrogen cycle
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1 year ago
Column A Column B a. Astrocyte b. Axon c. Collateral d. Dendrite e. Myelin f. Neurilemma g. Neurofibrils h. Nissl bodies (chroma
xenn [34]

Answer:

1.) neurilemma (option f)

2.) nissil bodies (chromatiophillic substance)

3.) neurofibrilis ( option g)

4.) myelin ( option e)

5.) dendrite ( option d)

6.) collateral ( option c)

7.) astrocytes (option a)

8.) axon ( option b)

9.) Unipolar neuron (option i)

Explanation:

The neurological terms described above are different parts of a nerve cell or neurones. The nerve cells are the basic Structural units of the nervous system. They are highly specialised for transmitting electric impulses. They can also be grouped according to the number of processes they possess, for example, the UNIPOLAR NEURONS( those with one process only). Each neuron, however, is composed of the same basic parts which include:

--> The CELL BODY: they may be angular or oval in shape with a large nucleus and dense granulated cytoplasm. In the cytoplasm, rough Endoplasmic reticulum which contains CHROMATIOPHILLIC SUBSTANCE (nissil bodies) and Golgi apparatus are also seen.Network of threadlike structures known as neurofibrilis are also seen within the cell body and extending into axon.

--> DENDRONS: these are one or more extensions which branches to form many fine dendrites. The DENDRONS carry nerve impulses( action potential) that their dendrites receive to the cell body.

--> AXON: this is a long process which branches at it's free end to end in synaptic knobs. It carries electric impulses away from the cell body. Most times, a substance of Schwann cell known as MYELIN SHEATH which is composed of lipoprotein insulates axons and increases impulse speed.

3 0
1 year ago
A provider is performing an experimental cervical sympathectomy on a patient with raynaud's syndrome. what cpt® and icd-10-cm co
SOVA2 [1]
The CPT code for sympathectomy (since this patient will undergo an experimental cervical sympathectomy) is <span>CPT 64802, Under Excision Procedures on the Sympathetic Nerves. The ICD-10-CM code for Raynaud's syndrome is 443.0.</span>
8 0
1 year ago
If a cell had a damaged central vacuole it would have difficulty performing what function
solniwko [45]
It would have trouble performing the action of storing water.
6 0
2 years ago
Read 2 more answers
Characteristics of the plasma membrane include which of the following? Select all that apply. cellulose phospholipids and protei
BigorU [14]

Answer;

-Phospholipids and protein

Explanation;

-The plasma membrane is composed of a phospholipid bilayer arranged back-to-back. It is also covered in places with cholesterol molecules and proteins. The plasma membrane is selectively permeable and regulates which molecules are allowed to enter and exit the cell.

- The membrane is an extremely thin layer of lipids and protein that forms outer boundary of every cell, It controls movement of molecules between the cell and its environment, Participates in joining cells to form tissues and organs and also plays important role in the ability of a cell to respond to changes in the cell's environment.

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2 years ago
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