The reaction between allergens and IgE antibodies causes the release of chemical substances such as
histamine, leukotrienes and prostaglandins
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Answer: Option A.
Explanation: The correct answer to the question is option A, because not all proteins are made up of some combination of 20 essential amino acids.
Answer: The Americas
Explanation:
Scientists use DNA to track the migration of humans across the planet. After a group migrates away from their ancestral homeland, any mutations that occur are not mixed with those left in the ancestral population. Therefore, DNA samples taken from __the Americas__ would have the most unique mutations, representing the most recent population to migrate to a new area.
The cell is the basic unit of living things ,or the cell structure explains the properties
Answer:
I do not support GM foods. (GM= Genetically Modified)
Explanation:
GM foods contain chemicals. When we consume those chemicals, we raise our chances of getting cancer or getting sick by a lot. GM foods, is the same thing as GMOs. (GMO= Genetically Modified Organisms) That means when farmers grow there crops, they spray the food down, with all sorts of stuff. Like weed killer, or bug spray. I don't know about you, but I don't want to be eating weed killer, or bug spray.
