Chapter 1 - Word meanings Flashcards
Magnification equation?
Real size
Specialised cells meaning?
Cells that carry out a specific function
Examples of specialised cells;
Sperm cells
Nerve cells
Muscle cells
Differentation?
The process by which cells change to become specialised
What do chromosomes contain?
Genetic information
What does diffusion mean?
The spreading out of particles from an area of higher concentration to a lower concentration
What is the meaning of osmosis?
The movement of water molecules across a partially permeable membrane from a less concentrated solution to a more concentrated solution
What is the meaning of active transport?
Substances need to be absorbed from a lower concentration or a higher concentration - against the concentration gradient.