Which structure or structures shown in figure 20-1 have key differences in bacteria and archaea?
a. a and c
b. a and b
c. d only
d. a only

Which of these statements best describes the st. lawrence seaway? the st. lawrence seaway connects the st. lawrence river with the arctic ocean. the st. lawrence seaway provides an important trading route between the u.s. and mexico. the st. lawrence seaway provides an important trading route for the u.s, but has little value for canada. the st. lawrence seaway connects the great lakes, the st. lawrence river, and the atlantic ocean.

Were you able to observe the nucleolus in any of the cells if so which ones

Which of these definitions have been paired with the correct type of cell?