Which observation proves that a cell is a prokaryote?
a. it does not have a cytoskeleton
b. it does not have a nucleus
c. it has a cell membrane
d. it has cytosol inside the cell

Name the type of chemical that speeds up digestion

The graph shows the solubility of several different salts in water, across a range of temperatures. according to the graph, which salt can dissolve at a concentration of about 60 g/100 cm3 of water at 40 degrees celsius?

List charasteristics of athenosphere