How does DNA analysis help scientists better understand evolution?(1 point) It spells out the amino acids that make up an organism. It helps chart changes in amino acid sequences over time. It shows us what codons an organism has. It shows us an organism’s genome sequence.

9. the history of life on earth is recorded in

What are some natural processes that represent physical and chemical changes?

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.