1. All organic molecules contain which element?
Carbon

2. What are the four groups of organic compounds found in living things?
Carbohydrates, lipids, proteins and nucleic acids

3. What are the two parts to a fat molecule?
Glycerol and fatty acids

4. One carbon atom can form how many bonds?
four

5. A substance that accelerates the rate of chemical reaction is called…
a catalyst

6. What factors affect enzyme activity?
Concentration, pH, and temperature

7. What are the monomers of nucleic acids?
nucleotides

8. What makes up nucleotides?
5-carbon sugar, phosphate group, and nitrogen base

9. A simple sugar! Like glucose, fructose or galactose.
A monosaccharide is…
A simple sugar! Like glucose, fructose or galactose.

10. What type of bonds do you find in saturated fatty acids?
Single bonds

11. Proteins are made of building blocks called…
Amino acids

12. What is the process that changes one set of chemicals into another set of chemicals?
Chemical reaction

13. The area of an enzyme where the substrate fits is called…
The active site

14. Organic molecules used for long-term energy storage are…
Lipids

15. What is the term used to describe the energy needed to get a reaction started?
Activation energy

16. What are two examples of nucleic acids?
DNA and RNA

17. What is the ratio of carbon, hydrogen and oxygen atoms in a carbohydrate?
1:2:1

18. What type of molecule is this?
Carbohydrate

19. What type of molecule is this?
Protein

20. What type of molecule is this?
Nucleic acid

21. The atomic number tells you how many __ an atom has.
Protons

22. Atoms of the same element with different numbers of neutrons are…
Isotopes

23. What type of electron is available to form bonds?
Valence

24. Why is water a polar molecule?
The oxygen is slightly negative while the hydrogens are slightly positive.

25. When sugar and water are mixed together, sugar is the __ and water is the __.
Solute; solvent

26. A substance composed of only one type of atom is an…
Element

27. What is the process that changes one set of chemicals into another set of chemicals?
Chemical reaction

28. In an atom, the number of electrons equals the number of __.
Protons

29. Long chains of nucleotides are called __.
Nucleic acids

30. What type of mixture is milk, blood, or shaving cream?
Colloid