BIOLOGY COLLEGE

What occurs when people are exposed to substances that their bodies are sensitive to? histamines


allergies


antihistamines


allergens

Answers

Answer 1
Answer:

B. allergies occur when people are exposed to substances that their bodies are sensitive to.

What happens to the immune system when a person is exposed to allergies?

The immune system overreacts by producing an antibody called immunoglobulin E (IgE). These antibodies migrate to the cells, which release chemicals and cause an allergic reaction. This reaction usually causes symptoms in the nose, lungs, throat, sinuses, ears, lining of the stomach, or skin.

Allergies occur when the immune system reacts to foreign substances such as pollen, bee venom, animal scales, or foods that do not cause a reaction in most people. Your immune system produces a substance known as an antibody.

Learn more about allergies here: brainly.com/question/2681615

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Answer 2
Answer:

They can have allergic reactions

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Please help thanks for the answers
Organisms are made up of one or more _____.

Which characteristic do euglenoids and algae share

Answers

Euglenoids are unicellular protists commonly found in fresh water.They don not have a cell wall, despite that, a protein rich cell membrane called pellicle is present in Euglenoids.
Whereas,Algae are eukaryotic organisms comprising of no roots, stems, or leaves but they filled with chlorophyll and other pigments to carry out the process of photosynthesis. Similar to Euglenoids, they occur most frequently in water, specifically in plankton.
Hence,
Euglenoids and algae share a common characteristic,that is both are autotrophs. They produce complex organic compounds from simple substances present in their surroundings, by the use of energy from sun-light or inorganic chemical reactions.

Answer: The answer is B. please mark me as brainliest

Explanation: I took the test

Use the Punnett square above and the text to help you determine which statements are true.

Answers

Answer:

Its the first one, and last two

Explanation:

just did it

Why is oceanic crust subducted under continental crust?A. Oceanic crust is moving faster than continental crust.
B. Oceanic crust is denser than continental crust.
C. Oceanic crust is less dense than continental crust.
D. Oceanic crust is older than continental crust.

Answers

Answer:

B.) Oceanic crust is denser than continental crust.

Explanation:

Oceanic crust is denser, so it is subducted under the continental crust. The less dense magma then rises up through the continental crust, then it's further increasing the size of the continental crust and then maintaining it's lower density than the oceanic crust, which then causes subduction.

I hope this helped. I am sorry if you get this wrong.

Answer:

B.) Oceanic crust is denser than continental crust.

Explanation:

I just did it and got it right :)

The spinal cord is surrounded by the bones of the

Answers

The spinal cord is surrounded by bones (vertebrae), extends downward from the base.

PLEASEE HURRYYY WORTH 10 POINTSWhich pieces of information does the National Weather Service produce?

simple maps
newspaper maps
long-range forecasts
maps with isotherms

Answers

Answer:

D) Maps with isotherms.

Explanation:

I got it right on the Edge quiz.

Answer:

maps with isotherms

Explanation:

i took the quiz and got it right

plz mark the person above me brainliest

Which method(s) can be used to join double-stranded breaks in DNA? (choose all that apply)a. homologous end joining
b. polymerase chain reaction
c. homologous recombination
d. Non-homologous end joining

Answers

Answer:

Option (a) and (d).

Explanation:

The breaks in DNA molecule may occur due to replication error and oxidizing agent. The double-stranded breaks in DNA can be corrected by Homologous end joining and non homologous end joining.

Homologous end joining is used to repair the DNA present in G2 nad S phases of the cell cycle. The homologous sequences of DNA is used to repair the DNA. Non homologous end joining occurs in the cell present at G0 and G1 phase of the cell cycle. The DNA broken ends are juxtaposed and later rejoin together by DNA ligase.

Thus, the correct answer is option (a) and (d).
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