Photosynthesis and cellular respiration are opposites
When you first fall in love, you experience a rush of hormones to the brain — including oxytocin, the “love hormone,” the “pleasure hormone” dopamine, and sex hormones like estrogen and testosterone. ... This influx of hormones plays a major role in those intense feelings of fluttery excitement, attraction and euphoria.
B. is a protective structure made of cellulose fibrils
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Answer: Cells typically receive signals in chemical form via various signaling molecules.
