Answer:
A. movement of molecules across a semipermeable membrane against a concentration gradient with a protein
Answer:
Organism.
Explanation:
The cell is the smallest form of life. Cells work together to form tissues, tissues work together to form organs, and organs work together to create an organ system, and organ systems work together to create organisms. I believe "organism" includes all of these other levels.
Answer:
Biology is the study of life, while physics are the study of matter and energy used to determine how the universe behaves.
Answer:
growth, the increases in cell size and number that take place during the life history of an organism.
Hope this helps :)
