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Arte-miy333 [17]
4 years ago
8

A molecule that induces an immune response within an organism is called

Biology
1 answer:
Amiraneli [1.4K]4 years ago
7 0

Answer: An antigen

Explanation:

A molecule that evokes immune response in the body of an organism is known as antigen. These substance can be protein, carbohydrates, lipids when asked for chemical nature.

Physically these substance can be dust particles, smoke, pollen grains, some food particles. Antigen can be defined as the substance that tends to produce immune response by the immune system of the body.

Hence, the correct answer is option D

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(18pts)
den301095 [7]

The answer is C)Resistant bacteria cannot be attacked by penicillin

4 0
3 years ago
In Europe and North America during the 1800s what mostly caused people to move to the cities
Fiesta28 [93]

Answer:

Your answer is growth industry

I hope this helps

Explanation:

In the late 1800s, people in many parts of the world decided to leave their homes and immigrate to the United States. Fleeing crop failure, land and job shortages, rising taxes, and famine, many came to the U. S. because it was perceived as the land of economic opportunity. Others came seeking personal freedom or relief from political and religious persecution. With hope for a brighter future, nearly 12 million immigrants arrived in the United States between 1870 and 1900. During the 1870s and 1880s, the vast majority of these people were from Germany, Ireland, and England--the principal sources of immigration before the Civil War. That would change drastically in the next three decades.

5 0
4 years ago
Deforestation is an especially serious problem in tropical rain forests because
noname [10]

Answer:

Seventy percent of Earth's land animals and plants live in forests, and many cannot survive the deforestation that destroys their homes. The trees of the rainforest that provide shelter for some species also provide the canopy that regulates the temperature, a necessity for many others.

Explanation

Deforestation is the permanent destruction of forests in order to make the land available for other uses. An estimated 18 million acres (7.3 million hectares) of forest, which is roughly the size of the country of Panama, are lost each year, according to the United Nations' Food and Agriculture Organization (FAO).

7 0
4 years ago
What is mitosis and where does it occur
aleksandrvk [35]
Mitosis occurs<span> in the cell nuclei of eukaryotic cells that are not related to reproduction, while meiosis takes place in the cell nuclei of eukaryotic cells that are related to reproduction. During mitosis, a cell divides into two identical daughter cells which are used for the growth and replacement of worn cells.</span>
4 0
3 years ago
In __________, parts of the plasma membrane and cytoplasm extend and engulf a relatively large or solid material.
Maksim231197 [3]
The answer is phagocytosis which is also known as cell eating. It is a process by which the living cells which are called phagocytes would ingest other cells. It might be an amoeba or a white blood cell. Hope this would help.
5 0
3 years ago
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