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Elis [28]
2 years ago
6

Allergy to pollen is classified as:

Biology
1 answer:
Stells [14]2 years ago
3 0

The correct answer is D. Immediate hypersensitivity

Explanation:

Allergies are different conditions that occur when an organism is exposed to an allergen, which is a substance, elements, etc that leads to an abnormal immune response. Because of this, allergies are mainly explained as immediate hypersensitivity in the immune system as they usually occurred shortly after the organisms are exposed to the allergen and it is a. Types of allergies include allergies to food, allergic asthma, etc that lead to symptoms such as sneezing, swelling rashes, etc. Therefore, allergy to pollen as any other allergy is classified as an immediate hypersensibility.

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suppose you use a microscope yo look at a skin of a n onion what struturce will you see that would not be found in your skin cel
Softa [21]
Onion skin is a plant cell. And your skin cell is a animal cell.
Basically as simple all the structures in animal cell can be found in plant cells. But plant cells has some extra structure and part where doesn't exist in animal cells.
In animal cell, it contains a cytoplasm, nucleus and a cell membrane.
But in plant cell, they have chloroplast, cell wall and vacuole in additional.
6 0
3 years ago
Carl Woese introduced the concept of domains in the 20th century. Which characteristic of scientific knowledge does this highlig
harkovskaia [24]
Option - IT IS BASED ON PREDICTION 
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hope this helps
8 0
2 years ago
Read 2 more answers
"Meghan was driving home when she heard a tire explode on the car right next to her. As a result, her heart started pounding and
Aliun [14]

Answer:

Sympathetic nervous system

Explanation:

The sympathetic nervous system of the autonomic division prepares the body for stress or emergency conditions by generating the “fight-or-flight” responses. The sympathetic nervous system triggers the release of stress hormones from the adrenal medulla to generate the set of physiological responses.

There is dilation of the pupil, and an increased rate of heartbeat and increased blood pressure. Other responses include dilation of airways and dilation of blood vessels that supply blood to skeletal muscles, heart muscles, liver, etc. Under the given emergency condition, the sympathetic nervous system of Meghan was activated to generate the fight or flight response.

8 0
3 years ago
Which class of macromolecules is primarily used as rapidly available energy sources by living thing?
Dmitry_Shevchenko [17]

Answer:

The correct answer is - carbohydrates.

Explanation:

The four significant groups of macromolecules found in living beings are carbohydrates, lipids, nucleic acids, and proteins. carbohydrates comprised of carbon, hydrogen, and oxygen molecules, generally in a proportion of 1 : 2 : 1.

Living things use carbohydrates as their main form of energy.  Carbohydrates are a class of macromolecules is essentially utilized as a quickly accessible energy source by living things.

Thus, the correct answer is - carbohydrates.

7 0
3 years ago
Wildfires are frequent In the Great Basin shrub steppe. Every time there is a fire outbreak, much of the natural vegetation is d
zimovet [89]
The most likely answer is A) A drastic reduction in the animal population due to migration or death by starvation.
3 0
3 years ago
Read 2 more answers
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