Answer:
Passive transport definition is - the movement of substances (as by diffusion) across a cell membrane without the expenditure of energy.
Explanation:
The answer you are looking for is B. Bubbles form when two chemicals are mixed together.
Answer:
The human genome contains around 20,687 protein-coding genes. Different genes or instructions are read at different times in different cells in response to the requirements of our bodies. Each cell contains two sets of genes, one from your mother and one from your father.
Explanation: