3. Which of the following is not a question that can be answered by science? (l point) O How is the rate of photosynthesiS affected by the amount of lıght a plant receives?
OHOW do mutations in a cell's DNA affect a person's health?
OWhich flower color is most beautiful?
O What population changes take place in an ecosystem when a new species of organism is introduced?

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.