1. Chapter One: The Science of Biology
1. Which of the following is not a characteristic of living things?
a. Livings things are made of cells
b. Living things respond to the environment
c. Living things move
d. Livings things have the need for energy

2. c. Living things move

3. 2. Observations: The following observations were made about a group of rainforest species. List each of the observations below as qualitative (a) or quantitative (b).   1. There were 4 walking pines found in a 100 ft.2 area The sloth had black markings on its fur around its eyes. 3. Blue jeans frogs exhibit bright blue and red colors to warn their predators they are poisonous.

4. 1. There were 4 walking pines found in a 100 ft. 2 area. B 2
1. There were 4 walking pines found in a 100 ft.2 area. B 2. The sloth had black markings on its fur around its eyes. A 3. Blue jeans frogs exhibit bright blue and red colors to warn their predators they are poisonous. A

5. 3. The three particles that make up an atom are
a. Protons, neutrons, and isotopes
b. positives, negatives, and electrons
c. Neutrons, isotopes, and electrons
d. protons, neutrons, and electrons

6. d. protons, neutrons, and electrons

7. 4. A researcher conducted an experiment to see if increasing water consumption lessens the visible effects of rosacea, a common skin condition. The dependent variable in this experiment was
Rosacea
Increased water consumption
Amount of water consumed
Visible condition of the skin

8. Visible condition of the skin

9. 5. A school psychologist is interested in studying the effectiveness of a reading improvement program. He has randomly assigned participants to one of two groups. The first group receives training in phonics, while the second group is put on a waiting list and receives no training. What is the control group?
a. the group that received the phonics training
b. The group that received no training
c. The school psychologist
d. The population

10. b. The group that received no training

11. 6. Dogs do not sweat like humans, so they release excess heat from their bodies by panting. Panting is considered
Lactic acid fermentation
Cellular respiration
A gene malfunction
A homeostatic mechanism

12. A homeostatic mechanism

13. Chapter Two: The Chemistry of Life
1. A covalent bond is formed as the result of
a. Transferring electrons
b. sharing electrons
c. eliminating protons
d. sharing protons

14. b. sharing electrons

15. 2. The attraction of one water molecule to another water molecule due to polarity is called
Adhesion
cohesion
high specific heat
wetness

16. cohesion

17. 3. Which of the following best completes the sentence below?
Due to the polarity of water, nonpolar covalent substances like wax:
a. do not dissolve in water and are considered insoluble
b. are volatile so they dissolve in water
c. dissolve in water and are considered soluble
d. do not melt but will not dissolve in water

18. a. do not dissolve in water and are considered insoluble

19. 4. Proteins are polymers formed from
Cholesterol
nucleotides
amino acids
glycerol and 3 fatty acids

20. amino acids

21. 5. A monosaccharide is a
Carbohydrate
lipid
nucleic acid
protein

22. Carbohydrate

23. 7. What does the following formula represent?
Sugar
Starch
An amino acid
A fatty acid

24. An amino acid

25. 8. Which of the following carbon-based compounds is the main source of energy for living things?
Carbohydrates
lipid
nucleic acid
protein

26. Carbohydrates

27. 9. Which of the following is not one of the four carbon-based polymers in examples we learned in class?
polysaccharide
polypeptide
Amino acid
DNA

28. Amino acid

29. 10. Which phrase below best describes a polymer?
a. Individual small units
b. Information coded in DNA
c. Large molecule made of many small molecules
d. Individual amino acids

30. c. Large molecule made of many small molecules

31. 11. What is the term used to describe the energy needed to start a reaction?
Activation energy
adhesion energy
cohesion energy
chemical energy

32. Activation energy

33. 12. According to the graph shown to the right, what type of reaction has occurred? HINT: It’s an explosion.
a. activation reaction
b. hydrogen reaction
c. Endothermic reaction
d. Exothermic reaction

34. Exothermic reaction

35. 13. Which of the following statements about enzymes is NOT true?
Enzymes work best at a specific pH and temp
enzymes are types of proteins
Enzymes increase activation energy a lot
enzymes are biological catalysts

36. Enzymes increase activation energy a lot

37. 14. A substance that lowers the activation energy and increases the rate of a chemical reaction is called a(an)
Catalyst b. lipid
c. molecule d. element

38. Catalyst

39. 15. The diagram shows how an enzyme (black) binds to a substrate (white) during a chemical reaction. When this reaction is complete, the
a. Enzyme changes shape and doesn’t function
b. The surrounding temperature increases
c. Hydrogen ions increase in concentration
d. The substrate makes a different molecule or product

40. d. The substrate makes a different molecule or product

41. Chapter Seven: Cell Structure and Function
1. Eukaryotes contain a ________________ where as prokaryotes do not contain this.
Cytoplastm
nucleus
genetic material
cell membrane

42. nucleus

43. 2. Which organelle converts food energy into energy the cell can use for growth, development, and movement? It is the "powerhouse" of the cell
a. Chloroplast
b. Golgi apparatus
c. Endoplasmic Reticulum
d. Mitochondria

44. d. Mitochondria

45. 3. Which of the following is a function of the cell membrane?
a. Regulates which materials enter and leave the cell, like a window screen
b. Keeps the cell wall in place
c. Breaks down lipids, carbohydrates, and proteins from foods
d. Stores water, salt, proteins, and carbohydrates

46. a. Regulates which materials enter and leave the cell, like a window screen

47. 4. Diffusion is the movement of molecules from
a. an area of low solute concentration to an area of high solute concentration.
b. an area of equilibrium to an area of high solute concentration.
c. an area of high solute concentration to an area of low solute concentration.
d. all of the above

48. c. an area of high solute concentration to an area of low solute concentration.

49. 5. Which of the following is a function of the nucleus?
a. controls most of the cell’s processes (“control center”)
b. contains the information needed to make proteins
c. stores DNA
d. all of the above

50. d. all of the above

51. 6. The small organelles found in both prokaryotes and eukaryotes that builds a protein are called
a. Lysosomes b. vesicles c. nuclei d. ribosomes

52. d. ribosomes

53. 7. Cell A is a normal human blood cell before it is placed in a solution. Cell B is the same human blood cell after it placed in the solution. The solution can be described as
Isotonic
hypertonic
hypotonic
d. equilibirium
Cell A
Cell B

54. hypertonic

55. 8. Which means of particle movement requires an input of energy from the cell?
a. facilitated diffusion
b. osmosis
c. active transport
d. diffusion

56. c. active transport

57. Chapter 8: Photosynthesis
1. The figure shows which of the following?
a. ADP b. ATP c. NADPH d. NAD+

58. b. ATP

59. 2. Energy is released from ATP when
a. a phosphate group is added
b. adenine bonds to ribose
c. ATP is exposed to sunlight
d. A phosphate group is removed

60. d. A phosphate group is removed

61. 3. Photosynthesis uses sunlight to convert carbon dioxide and water into
a. Glucose and oxygen
b. Glucose and water
c. Hydrogen and oxygen
d. ATP and water

62. a. Glucose and oxygen

63. 4. Which of the following equations best represents photosynthesis?
a. 6O2 + C6H12O6  6CO2 + 6H2O + Energy
b. 6CO2 + 6H2O + Light Energy  6O2 + C6H12O6
c. 6CO2 + C6H12O6 +Light Energy 6O2 + 6H2O
d. 6O2 + 6H2O  6CO2 + C6H12O6

64. b. 6CO2 + 6H2O + Light Energy  6O2 + C6H12O6

65. 5. Which of the following is the site of the light dependent reactions of photosynthesis in the chloroplast?
Stroma
b. thylakoid
c. matrix
d. inner membrane space

66. b. thylakoid

67. 6. Which of the following is a reactant (input) in the Calvin Cycle of photosynthesis?
b. C6H12O6
c. CO2
d. COOH

68. c. CO2