Agroup of biology students test the growth of bacteria under different conditions. the students apply the same amount of bacteria to identical petri dishes enriched with nutrient, then place each plate at a different temperature. the bacteria are allowed to grow for three days ,after which the number of bacteria colonies on each plate it counted. what is the dependent variable in this experiment

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.

Which two criteria must be met before scientist can use radiocarbon dating? explain your answer

What amount of heat is exchanged when 106.2 grams of substance y goes from a liquid at 35 degrees