The overuse of antibiotics has led to a) the extinction of viruses. b) the extinction of bacteria. c) new antibiotic-resistant populations of viruses. d) new antibiotic-resistant populations of bacteria.

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How does photosynthesis show the conservation of mass and energy?

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.