Which of the following provides a first line of defense against pathogens?

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

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.

18. how do the cells in meiosis differ from the cells in mitosis?