2. RAGS TO RICHES CHAPTER 7

3.  V  (1) Biological catalysts that speed up chemical reactions

4.  (2) What does a prokaryote cell lack

5.  (3) An organelle that stores DNA

6.  (4) This states that all living things are composed of cells

7.  (5) The diffusion of water across a cell membrane

8.  (6) Electron microscopes can reveal details ________ times smaller than those visible in light microscopes

9.  (7)What kind of organisms do not have a cell wall

10.  (8) Name the following

11.  (9) Which organelle converts the chemical energy stored in food into ATP molecules

12.  (10) The cell membrane contains channels and pumps that help move materials from one side to the other. What are these channels and pumps made of

13.  (11) Which organelle breaks down organelles that are no longer useful

14.  (12) Which organelle would you expect to find in plant cells but not animal cells

15.  (13) Which means of particle transport requires input of energy from the cell

16.  (14) The form of active transport of large molecules that is involved in taking material into the cell

17.  (15) What is the main function of a centriole