Download Chapter 3 Review

Chapter 3 Test review
1. An atom’s nucleus contains ___Protons ___ and __Neutrons___.
2. A chemical formula shows the kind and number of atoms that form a ____Compound___.
3. Organic compounds that store important coded information in cells are called
____Nucleic Acids____.
4. The function of the selectively permeable cell __Membrane__ is to allow some things to pass
through it, but not others.
5. How can large particles like some waste products get out of a cell? Name the process
exocytosis.
6. Organic compounds are compounds that always contain __Carbon____ and __Hydrogen__.
7. Sugars, starches, and cellulose are examples of _____Carbohydrates_____.
8. ___Lipids____ are organic compounds that store energy.
9. In a _____Solution____ substances mix evenly with other substances.
10. What is the movement of large molecules through the cell membrane out of the cell called?
_______Exocytosis____.
11. If the movement of molecules requires energy, it is ________Active_____ transport.
12. ___Fermentation____ is a process that releases energy when oxygen is insufficient.
13. What are organisms that can’t make their own food called? ______Consumers____
14. What do producers use light energy to make? ____glucose_____
15. Circle the organism that is not a producer. Grass ( Cat )
16. Name the 3 parts of an atom. ____Proton___ , __Neutron___, __Electron___
17. Substances too large to pass through the cell membrane enter the cell in a process called?
____Endocytosis____
18. Active transport occurs when ____Energy____ is used to move substances through a cell
membrane.
19. What is Osmosis? ___the diffusion of water across a cell membrane____________________
20. C6H12O6 is the formula for ___Glucose____. Is that an inorganic or (organic) compound?
21. Would you describe a window screen as being (selectively permeable) or permeable and why?
__allows some particles to pass and other particles not to pass__________________________
22. During periods of strenuous activity, muscle cells run low on ___Oxygen_____.
23. Circle the molecule and draw a box around the element.
( H2O )
Mg
24. A type of protein that regulates nearly all chemical reactions in cells is called an ___Enzyme__.
25. A ___mixture____ is a substance in which each individual substance retains their own
properties.
26. An ____Inorganic____ compound is made from elements other than carbon and whose atoms
usually arranged in only one direction.
27. What element makes up most of your body? ____Oxygen_____
28. The movement of substances through the cell membrane without the use of energy is called?
____Passive transport______
29. The random movement of molecules from an area where there are many to an area where
there are few is called? _____diffusion_____
30. The total sum of all chemical reactions in an organism is called? ____Metabolism_____
31. The process in which plants make their own food is called? ___Photosynthesis___
32. A series of chemical reactions used to release energy stored in food molecules is call?
_______Cellular respiration___________
33. In what organelle does photosynthesis take place? ____Chloroplast_____
34. In which organelle does cellular respiration take place? ____Mitochondria_____
35. What are the products of photosynthesis? ____Glucose and Oxygen_____________
36. __Matter____ is anything that has mass and takes up space.
37. When you spray some delicious air freshener in the front of the room, the molecules will
eventually fill the room because of what process? ________Diffusion___________
38. Draw a picture of endocytosis.
39. Draw a picture of exocytosis.
40. Is facilitated diffusion a type of active transport or passive transport? ___Passive transport___
41. Which transport method is like swimming against a strong current upstream?
_______________Active Transport__________________________________