Bread is a starch that breaks down into ...

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.

Which kind of worm has a closed circulatory system? a planarian b fluke c pinworm d an earthworm

True or false multiple lane changes must be done individually going through the same procedures for each lane change