A) a slight decrease in the use of public transportation throughout the country.
Your pupil expands in dim light and contracts in bright light.
<span>Narrow junctions and desmosomes have different structures. Narrow junctions are made of a protein arranged inside the membrane. There are many intersecting lines that cause the cells to be sealed and together. Desmosomes contain the protein cadherin. There are cadherins in each cell and they join at this point sealing the cells together, the tight junctions have the function of preventing the materials that circulate between the cells. The desmosomes provide binding sites for the cells to be attached.</span>
Answer: D. Like Protists
Explanation: A. isn't right
B. is worst
C. isn't good at all
D. is the best answer
