Science Unit 5- B2.1 0.0 / 5 ? ScienceCellsGCSEAQA Created by: KittyMayWatsonCreated on: 11-01-14 21:37 What does the cell membrane do? Controls movement into and out of the cell 1 of 10 Where do most chemical reactions take place? The cytoplasm 2 of 10 What does the nucleus do? It controls what the cell does and contains genetic information 3 of 10 What are ribosomes? Found in plant and animal cells and its where protein synthesis occurs 4 of 10 The vacuole..? Supports the cell 5 of 10 What don't red blood cells have and what are they packed full of? They don't have a nucleus so they can be packed full of Haemoglobin in order to carry lots of oxygen 6 of 10 What is diffusion? The spreading of the particles of a gas 7 of 10 What is the net movement during diffusion? A region where they are at a high concentration to a region where they are at a lower concentration 8 of 10 Give a fact about concentration and diffusion The greater the difference in concentration, the faster the rate of diffusion 9 of 10 Does diffusion need energy? No, diffusion can take place automatically, without the need for energy 10 of 10
Comments
Report