Key Words Flashcards
What is it mean by the process differentiation
The process by which a cell changes to to become specialised cell
Examples of specialised cells
Sperm cells are specialised for reproduction
Nerve cells
Are specialised for contraction
What is meant by diffusion
Diffusion is the spreading out of particles from an area of high concentration to low concentration
What is meant by the term osmosis
Osmosis is the movement of water molecules from a region of high water concentration to region of low concentration
What is active transport and why is it important
Active transport is the process by which dissolve molecules move across a cell membrane from a low concentration to high. Active transport is important because it used in the gut. It stop us starving because in our gut when there is a low concentration of nutrients in the gut but a higher concentration of nutrients of blood