Answer:
Active transport requires energy for the movement of molecules whereas passive transport does not require energy for the movement of molecules.
Explanation:
Answer:
<h3><em>Both DNA, which stores genetic information and encodes protein sequences, and RNA, which is involved in the direct production of proteins, are nucleic acids.</em></h3>
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Explanation:
This might have been the cause of not being exposed to this specific pollen during his years in Chicago. Allergic reactions can develop when the stimuli presented even when its not contagious causes the immune system to trigger and act in a defensive stance. This delayed effect may have been the cause of the sudden expression of the immune system.
1 wait what 2 i think A or D