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kicyunya [14]
3 years ago
8

The upper part of graft combination is called ...

Biology
2 answers:
Bumek [7]3 years ago
5 0

the upper of graft combination is called grafting

Andre45 [30]3 years ago
3 0

The upper part of graft combination is called scion.

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What materials makes up a cell membrane?<br>​
dangina [55]

The material that makes up the membrane cell is the phospholipids, cholesterol, proteins, and carbohydrates.

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Nitrates are made by converting ammonia (NH3) to nitrite (NO2-) and then to nitrate (NO3-). What do you predict the O2 levels in
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Low - The generation of nitrates (NO 3-) requires oxygen, so the oxygen levels will be low

Explanation:

Nitrates are formed when the ammonia react with oxygen present in water. The oxygen which react with ammonia is not the oxygen of water molecule, it is the dissolved oxygen. This oxygen is used by aquatic animals for breathing. If nitrates are formed so the concentration of dissolved oxygen will be lowered which causes suffocation and bad impact on marine organisms and the whole ecosystem will be disturbed.

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3 years ago
Why does the actions of the thymus demonstrate a close functional connection between the lymphatic system and the endocrine syst
OleMash [197]

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The Thymus is a unique gland which protects the body against autoimmunity when the immune system act against itself.Hence the Thymus plays a significant role the dual systems i.e.,the lymphatic system (body’s defensive mechanism) and the endocrine system

Explanation:

The Thymus is special gland located anteriorly to the chest directly behind the sternum and in between the lungs. Active until puberty and gradually shrinks to become fat after puberty.

Function: Prior to birth and during childhood thymus engage in producing and maturation of T-lymphocytes or T-cells a particular type of white blood cells which defence the body against infectious disease germs.Though the organ does not function throughout the life span but it plays a significant role protecting the body against autoimmunity refers to an immune system works against itself .Therefore the thymus plays a key role in lymphatic system and an endocrine system.

Secretion:Thymus secretes Thymosin a hormone it instigates the development of T-Cells ( disease resisting cells) Thymosin stimulates the development of T-Cells until a human attains its puberty. At the age of 75 thymus becomes a fatty tissue.

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3 years ago
Whats the function of glycolipid
Angelina_Jolie [31]

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Explanation:

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In 3-5 sentences explain how increases in the human population impacts water resources. provide specific examples in your answer
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An increase in human population negatively impacts the water resources. There is only a small amount of clean and drinkable water on Earth. If more people are on Earth, more of this water will be used by the population. An increase of people also means that more fossil fuel will be used.

<h3>How does human population impact water resources?</h3>

Population growth especially will limit the amount of water available per person, because an increase in per capita water consumption driven by development will intensify water demand, straining the local water supply.

To learn more about population click here:

brainly.com/question/905400

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