I got to tell u but it’s b
The main and the most promising difference between active and passive transport is, passive transport does not require energy while active energy does.
Answer:
We learned in biology class that every cell in the body has the same DNA. Whether a heart cell, skin cell or muscle cell—they all read from the same genetic blueprint. Now, scientists are learning there is more to the story.
i believe the answer is b radioactive nucleotide
