Answer: The role of substance A in photosynthesis is: it combines with water to form glucose.
Explanation:
Answer:
the scientific methothe formula and testing of a hypothesis is part of the scientific method
Answer:
amino acid tryptophan
Explanation:
Eating Turkey Won't Make You Sleepy. The oft-repeated turkey myth stems from the fact that turkey contains the amino acid tryptophan, which forms the basis of brain chemicals that make people tired.
Answer:
regulates which materials enter and leave the cell
