Cell processes

2. the minimum quantity of energy which the reacting species must possess in order to undergo a
3. a chemical reaction that releases energy by light or heat
4. basic unit of life
7. relating to, involving, or requiring an absence of free oxygen.
9. a homogeneous mixture of one or more solutes dissolved in a solvent
10. an enzyme's shape and conformation changing over time in response to substrate binding
13. electrolytes that help your body maintain fluid and blood volume.
14. a dissolved substance
15. any external solution that has the same solute concentration and water concentration compared to body fluids.
19. elating to, involving, or requiring free oxygen.
20. having a lower osmotic pressure than a particular fluid, typically a body fluid or intracellular fluid
21. the source of energy for use and storage at the cellular level.
22. a type of passive transport that uses specialized proteins, such as channel proteins and carrier proteins, to help molecules move across a cell membrane.
24. a substance produced by a living organism which acts as a catalyst to bring about a specific biochemical reactio
25. substrates fit into an enzyme the way a key fits into a lock
26. he spreading of something more widely
27. the movement of ions or molecules across a cell membrane into a region of higher concentration,
28. a type of membrane transport that does not require energy to move substances across cell membranes

1. partially but not freely or entirely permeable
5. cause (an action or process) to begin.
6. A chemical process in which oxygen is used to make energy from carbohydrates
8. any chemical reaction that absorbs heat from its environment
11. the process by which green plants and certain other organisms transform light energy into chemical energy
12. the amount of matter stays the same, even when matter changes form.
16. the spontaneous passage or diffusion of water or other solvents through a semipermeable membrane
17. a principle stating that energy cannot be created or destroyed, but can be altered from one form to another.
18. being in a state of abnormally high tension
23. the taking in of matter by a living cell by invagination of its membrane to form a vacuole.