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Leya [2.2K]
3 years ago
11

Which of the following is a true statement about the stratosphere?

Biology
2 answers:
Helen [10]3 years ago
8 0

Answer:

B)The temperature gets warmer the higher you go

Explanation:

AfilCa [17]3 years ago
4 0
Answer - b

Step by step explanation
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En los alérgicos, a partir del segundo contacto con el alérgeno cuando se produce la reacción alérgica. ¿Cómo podrías explicarlo
dem82 [27]

Answer:

La segunda exposición desencadena la fase de 'respuesta' asociada a la reacción alérgica  

Explanation:

La alergia se puede considerar como una respuesta desmedida del sistema inmune cuando un individuo entra en contacto con ciertas sustancias que son inocuas para la mayoría de la población, pero que en personas alérgicas desencadenan fuertes reacciones de hipersensibilidad. La alergia tiene dos fases conocidas como fase de sensibilización y fase de respuesta. La primera fase de sensibilización es donde el individuo entra en contacto con los 'antígenos' del alérgeno, lo cual provoca que el individuo genere anticuerpos IgE los cuales combaten al alérgeno (el sistema inmune considera que esta sustancia es potencialmente dañina), mediante la generación de anticuerpos de IgE que se unen a receptores de células del sistema inmune (eosinófilos, basófilos y mastocitos). La segunda fase de respuesta se produce cuando el individuo entra de nuevo en contacto con el alérgeno. Durante el segundo contacto, los antígenos del alérgeno interactúan con anticuerpos específicos de IgE que se encuentran sobre la superficie de células del sistema inmune, desencadenando la degranulación de estas células (mastocitos) y la consecuente liberación de mediadores químicos de la alergia tales como, por ejemplo, histamina, los cuales son responsable de los síntomas típicos de la alergia (tos, estornudos, picor, enrojecimiento de ojos, urticaria, inflamación, etc.).

4 0
3 years ago
(1.6 x 10^12) ÷ (8.01 x 10^23)
sweet-ann [11.9K]
(1.6 x 10^12) ÷ (8.01 x 10^23)
<span>(1.6 x 10^12) = 1.6e + 12
</span><span>(8.01 x 10^23) = 8.01e + 23
(1.6e + 12) + (8.01e + 23) =
61.123
</span>
5 0
4 years ago
Read 2 more answers
Choose all the answers that apply.
Len [333]

Answer:

<u>-temperature and rainfall</u>

Explanation:

Terrestrial biomes are defined as regions of similar vegetation and climates. Certain types of vegetation have specific growth requirements for their optimal water and temperature. They tend to thrive within regions where these needs are met, thus making up the dominant plant types.

At or close to the equator, biomes are warmer due to the high intensity of sunlight (the equatorial regions the most sunlight), and warmer air holds more moisture, making the regions more prone to rainfall.

8 0
3 years ago
Read 2 more answers
True or false? Pls I really need help?
weeeeeb [17]

Answer:

Imma take my best guess and go with True

Explanation:

Humans are animals in a way, so if you marked it false, you would mark a true fact wrong.

8 0
3 years ago
Read 2 more answers
Two-component regulatory systems rely on a balance of phosphorylation and dephosphorylation of sensor kinases and response regul
otez555 [7]

Answer:

The correct answer is the first statement.

Explanation:

A fundamental stimulus-response coupling mechanism that helps various species to react and sense different modifications taking place in various distinct environmental circumstances is known as a two-component regulatory system. Though this system is found in almost all the domains of life, however, it is generally witnessed in species like bacteria, mainly in the Gram-negative and cyanobacteria.  

In case, if the response regulator turns completely phosphorylated because of the absence of phosphatase activity, the cell would become insensitive towards the environmental stimulus. This generally happens as the cell will lose its tendency to sustain the response cycle because of the imbalance in the dephosphorylation and phosphorylation system that helps in sustaining the response of the cell towards a specific environmental stimulus.  

8 0
4 years ago
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