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fiasKO [112]
3 years ago
5

Reword the following statement to make it true: Nucleoli are membrane-bounded structures present in the eukaryotic nucleus.

Biology
2 answers:
anastassius [24]3 years ago
7 0

Answer: Option D  

Explanation:

The nucleolus is the largest structure which is found in the nucleus of the eukaryotic cells. It is the main site for the ribosome biogenesis.

Nucleoli consists of DNA and RNA, proteins and it forms around the nucleolar organizing regions. it also help in cell signaling.

These are like envelops which bounds the nucleus inside it. In case of the treatment of cancer, the main target is nucleolus.

sveticcg [70]3 years ago
3 0

Answer:

Option-D

Explanation:

The nucleolus is a structure present in the nucleus of the cell which is important for the cell.

The nucleolus provides the site of transcription of the rRNA genes and the enzymes required for transcription. The nucleoli appear condensed structure as the rRNA genes, some portion of DNA and the proteins in the form of the enzymes like RNA polymerase I.Therefore, nucleoli are made of the DNA, RNA and the proteins.

Thus, Option-D is correct.

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Answer:

Damian here! (ノ◕ヮ◕)ノ*:・゚✧

Glycolysis reactants are often listed <u><em>glucose and oxygen</em></u>, while water, carbon dioxide and ATP (adenosine triphosphate, the molecule living most commonly use to power cellular processes) are given as glycolysis products,

Explanation:

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The plentiful nature of resources in the tropical rainforest reduces competition for them.
Lina20 [59]
That statement is false

The plants still have to undergo a fierce competition in order to obtain sunlight. The taller trees will obtain more sunlight while overshadowing the smaller one.

Meanwhile , even though there are a lot of food resources in the rain forest, it also have many animals that compete for the same food.

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3 years ago
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ExtremeBDS [4]

Answer:

I think that it is C

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5 0
3 years ago
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Which of the following is true of integral membrane proteins? A) They lack tertiary structure. B) They are loosely bound to the
andrew11 [14]

Answer:

C) They are usually transmembrane

Explanation:

Integral membrane proteins (intrinsic protein) are known to be a type of membrane protein that is attached permanently to the biological membrane. Also, they are made up of significant proteins that are encoded in the genome of the organism. Furthermore, trans-membrane proteins allow the transportation of specific substances across the membrane and they undergo significant changes in order to move substances across or through the membrane.

4 0
3 years ago
A single motor neuron together with all the skeletal muscle fibers it innervates is called a _____.
mylen [45]

A single motor neuron together with all the skeletal muscle fibers it innervates is called a motor unit.

  • Motor neurons are more than just relays for the motor commands sent down the hierarchy from higher levels. They themselves are parts of intricate circuits that carry out extensive information processing.
  • Due to their highly branching, intricate dendritic trees, motor neurons are able to integrate inputs from several other neurons and generate accurate outputs.
  • A single motor neuron, and nothing else, innervates each and every muscle fiber (make sure you understand the difference between a muscle and a muscle fiber). However, several muscle fibers can be innervated by a single motor neuron.
  • A motor unit is the aggregate of a single motor neuron and all of the muscle fibers that it innervates. The innervation ratio refers to how many fibers a motor unit innervates.

Learn more about the motor unit with the help of the given link:

brainly.com/question/13554533

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6 0
1 year ago
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