1. 1. Atoms make up _________.

2. 2. Molecules make up ___________

3. 3. A group of organelles make up _________

4. 4. ____________are the smallest units of a chemical element.

5. 5. _______________ are substances that cannot be broken down to simpler substances like gold.

6. A combination of two or more atoms of two or more different elements, for example H 2 O are _____________ and can be one element O 2.

7. 1. 5. 2. 3. 4.

8. Atoms of the same element that have different numbers of neutrons are called _____________.

9. The three isotopes of carbon: all isotopes of an element have the same number of protons and electrons. They vary in the number of _______________

10. Scientists have developed some useful ways to use different isotopes in medicine because they are ________________

11. A ____________is a substance made of atoms of two or more elements. Examples are (H 2 O) or table salt (NaCl). The properties of a compound are (different or similar) from the properties of the individual elements that make it up.

12. When atoms come together by sharing electrons the bond is a ______________ bond.

13. A(an) __________ is a positively or negatively charged atom, like Cl - (negatively charged) Na + (positively charged)

14. Two oppositely charged ions bind together called and ___________ bond. NaCl (table salt is an example)

15. Chemical Relations occur when bonds are formed and ________, Chemical reactions occur inside cells. All of the chemical reactions that take place within an organism are known as that organism’s _____________

16. Chemical Reactions Chemical Reactions CO 2 + H 2 O C 6 H 12 O 6 + 0 2 ? 1. ? 2. ? 3. Sun

17. A ______________is a combination of substances in which the individual components retain their own properties. A ______________is a combination of substances in which the individual components retain their own properties.

18. A ________________is a mixture in which one or more substances (solutes) are distributed evenly in another substance (solvent). A ________________is a mixture in which one or more substances (solutes) are distributed evenly in another substance (solvent).

19. A pH of 2 is a strong (ba (base / acid /neutral) A pH of 7is (ba (base / acid / neutral)

20. Name the ion (charged particle) associated with Acids: ______ hydrogen ion Bases: ______ hydroxide ion H+H+ OH -

21. Some molecules do not share electrons equally. They form a __________ bond, an example is the water molecule. The hydrogen is partially ___ And the oxygen is partially ___ ___

22. The net movement of particles from an area of higher concentration to an area of lower concentration. Diffusion continues until there is no ____________ _________

23. What is the diffusion of water across a differentially (selectively) permeable membrane due to concentration differences.

24. What type of osmosis is this? (Isotonic, hypotonic, or hypertonic) Does cell shrink, expand, or stay the same?

27. Isotonic Hypotonic Hypertonic

28. What biological molecule is used for energy and to create structures? What are the building blocks for carbohydrates?

29. Name this structure. Phospholipid

30. Fill in the blanks; Lipids are used by cells for _____ ________, insulation, and ___________ coatings, such as in _____________. _____ ________, insulation, and ___________ coatings, such as in _____________.

31. ___________ provide structure for tissue and organs and carry out cell metabolism and provide the body with the ability to move muscles.

32. __________, speed up reactions and are a type of protein.

33. There are two kinds of nucleic acids, _______ and ________. Both are involved in the storage and flow of information from gene to gene product.

34. What is this structure? What is the name of the biological structure?

35. What is the cell process of taking in of large molecules?

36. Exocytosis What is the cell process of removing large molecules?