![Biology](/tpl/images/cats/biologiya.png)
(Ch. 27.4) Many people are allergic to substances in the environment, such as ragweed pollen, as well as foods, such as peanuts. Which of these statements BEST describes an allergic reaction to one of these substances? (1 point) A. The substance is similar or identical to human antigens, and so it triggers an immune system response. B. The substance invades the body and causes damage to tissues, which triggers an immune system response. C. The substance does not directly harm tissues and is not a pathogen, but nevertheless triggers an inflammatory response. D. The substance invades the body and triggers a response from the respiratory system or digestive system, but not the immune system.
![answer](/tpl/images/cats/otvet.png)
Answers: 1
Other questions on the subject: Biology
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:30, shady1095
Antoine manages a number of apartment buildings that use natural gas for heating, cooking, and laundry. the scatter plot shows the correlation between the outside air temperature and antoine's natural gas bill. which type of correlation does the plot illustrate?
Answers: 2
![image](/tpl/images/cats/biologiya.png)
Biology, 22.06.2019 09:30, zahwaahmaf
Parthenogenesis is a type of reproduction that does not require a mate. itβs rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
Answers: 1
Do you know the correct answer?
(Ch. 27.4) Many people are allergic to substances in the environment, such as ragweed pollen, as wel...
Questions in other subjects:
![Konu](/tpl/images/cats/informatica.png)
Computers and Technology, 22.09.2020 03:01
![Konu](/tpl/images/cats/mat.png)
Mathematics, 22.09.2020 03:01
![Konu](/tpl/images/cats/en.png)
![Konu](/tpl/images/cats/ekonomika.png)
Business, 22.09.2020 03:01
![Konu](/tpl/images/cats/istoriya.png)
![Konu](/tpl/images/cats/biologiya.png)
![Konu](/tpl/images/cats/fr.png)
French, 22.09.2020 03:01
![Konu](/tpl/images/cats/fizika.png)
Physics, 22.09.2020 03:01
![Konu](/tpl/images/cats/biologiya.png)
Biology, 22.09.2020 03:01