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2.Allergens cause an allergic reaction. T<span>heir immune system produces antibodies, that are triggered depending on what substance it is.
3.Asthma is classified as an allergy because substances may trigger asthma and sometimes they do not, just like how certain substances cause the allergies.
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Answer:
Integral membrane proteins are permanently embedded within the plasma membrane. They have a range of important functions. Such functions include channeling or transporting molecules across the membrane. Other integral proteins act as cell receptors
Explanation: HOPE U GET AN A HAVE A GREAT DAY!!!
When temp rises the liquid rises to temp and when temp drops liquid drops to temp
