Biology Fall Review



Name: _______________________ Date: ___________ Period: ____________

Biology Fall Review

Remember, this review sheet is meant to provide guidance for your studies, but is not an all-inclusive review of questions that will be asked on the test. Be sure to review all notes, worksheets, labs and assessments as well as the following chapters of your textbook, fill in the missing information and answer the practice questions. The practice questions are examples of the types of questions you may see on the test – not the actual test questions.

Safety and the Scientific Method

Review safety rules, safety symbols, and safety equipment

A list of safety rules and symbols that should be found in your class binder; Safety symbols are located on the front cover of your textbook.

1. Look at the information given in the table above. What safety precautions would you need to take when working

with acetone? ________________________________________________________________________

____________________________________________________________________________________

2. Why do we wash laboratory glassware after each use? _______________________________________________________________________________________

_______________________________________________________________________________________

Select the appropriate materials and equipment in the laboratory.

3. A triple-beam balance measures _______________ in units of __________.

4. A graduated cylinder measures ______________ in units of __________. Read the _________ of the meniscus!

5. Use the following measurements of a rock to answer the next three questions.

[pic]

6. What is the mass of the rock? ______________

7. What is the length of the rock?______________

8. What is the volume of the rock?_____________ ( to calculate the volume of the rock, subtract the final volume “after” from the initial volume “Before”.)

Identify the variables in an experiment and classify each as independent, dependent or controlled variables. (Appendix A and pp.1062-1063 will help)

9. An independent variable is _____________________________________________________________

10. The dependent variable is ______________________________________________________________

11. The _______________ variables (constants) are those things that must not change throughout in order for the

experiment to be valid (fair). They are the same between the control group and the experimental group.

12. In a controlled experiment, change only ___________ variable at a time.

Identify the control group in an experiment and explain why it is important in a valid experiment.

13. A _______________ in an experiment is the group which is not subject to the independent variable you are testing.

14. In an experiment, why do you need a control group? _____________________________________________

_______________________________________________________________________________________

A group of students wanted to see what affect adding Gingko biloba would have on the growth of young

guppies (a type of fish). They fed a group of 10 guppies their regular diet. In another 10 guppies they fed them their regular diet but added 2 drops of Gingko biloba to their food each day and measured their mass every day for three weeks. At the end of their experiment, the guppies had grown by 14 grams. The students concluded that Gingko biloba caused the guppies to grow larger.

15. Identify the (a.) independent, (b.)dependent and (c.)control group.

a. __________________

b. __________________

c. __________________

Be able to draw valid conclusions, and make inferences from experimental data.

Practice: Graph the three points given in the table onto the graph paper given. Draw a straight line between the

three points. Identify the missing data.

16. On the above graph, what is the independent variable? ______________________________________

17. On the above graph, what is the dependent variable? _______________________________________

18. From your graph, predict what the radius of a tree would be if it were 4 years old. ___________________

19. What conclusion can you draw from this graph? (In other words, how are the two variables related?)

____________________________________________________________________________________

Biochemistry

Identify the four types of macromolecules, including their functions and the monomers from which they are made.

20. How many atoms of each type in the molecule H2CO3?

H ____________ C __________ O _______________

21. Macromolecules are large molecules (polymers) built of smaller units, called _____________________

22. Fill in the following chart:

|Macromolecule |Monomers |Function(s) |Elements Contained |Example |

|Carbohydrate | | | | |

|Lipids | | | | |

|proteins | | | | |

|Nucleic Acids | | | | |

23. Look at the following pictures/diagrams. Which type of macromolecule is represented in by each picture?

Identify the structure of water and its properties

24. What makes water an effective solvent? ________________________________________________________

25. Within the water molecule, the hydrogen and oxygen are held together by _____________ bonds, which mean that they share electrons.

26. Different water molecules are held together by ________________________bonds.

27. On the water molecules shown here, label the hydrogen bonds with an A.

Identify the function of enzymes

28. A catalyst speeds up a reaction by lowering the______________________

29. An ______________is a biological catalyst that can be reused, but

can only have one type of substrate (they fit together like a lock and key).

Recognize the parts of a compound light microscope and the function of each part. (Refer to Appendix D p.1070-1071 for microscope questions)

30. How do you calculate the total magnification of the microscope?________________________________

_______________________________________________

31. In a compound microscope, what part of the microscope should be used to adjust the amount of light illuminating a prepared slide?_______________________________

32. Identify the steps required to focus an object starting from scanning power.

______________________________________________________________________________________

Differentiate between prokaryote and eukaryote cells and name the parts of each.

33. Eukaryotes contain _____________________________, while __________________ do not.

34. Bacteria cells are examples of ________________. Plant cells are examples of_______________

35. Identify the parts of the cell from a diagram or description. Be able to explain the function of each cell part.

Name the parts labeled A – I on cell I and J – O on cell II, and provide a brief description of the function

of each part.

Cell Type: ____________________ Cell Type: ________________________

|Organelle |Function |Organelle |Function |

|A. | |J. | |

|B. | |K. | |

|C. | |L. | |

|D | |M. | |

|E. | |N. | |

|F. | |O. | |

|G. | | | |

|H. | | | |

|I. | | | |

Differentiate plant cells and animal cells.

36. Only plant cells contain _________________, ___________________ and a large _______________

37. Only animal cells contain ________________________

Identify parts of the cell membrane and explain its function

38. The cell membrane is selectively permeable, which means__________________________________________

________________________________________________

39. The cell membrane allows the cell to maintain homoeostasis, which is

_______________________________________________________

_______________________________________________________

Study the picture on the right (know parts and functions)

40. Describe the function of the macromolecules within the cell membrane.

a. Lipid - ___________________________________________________________________________________

b. Protein - _________________________________________________________________________________

c. Carbohydrate- ____________________________________________________________________________

41. Why do the lipids within the cell membrane form a bilayer? ________________________________________

_______________________________________________________________________________________

Differentiate and identify examples of diffusion, osmosis, active transport, and passive transport

42. Fill in the following table:

|Type of Transport |Description |Diagram |

| | | |

|Diffusion | | |

| | | |

|Osmosis | | |

| | | |

|Facilitated Diffusion | | |

43. Suppose you took a sea urchin egg, which is normally in salty ocean water, and placed it into fresh

water (lower salt concentration).

a. What particles would you observe moving across the cell membrane? ____________________.

b. What is this movement called? ___________________

44. Saltwater fish use energy to remove extra salt from their body through the gills. In this way, water balance is

maintained in the blood.

a. Which process removes the salt from the fish? ___________________________________

b. The ability of the fish to maintain a stable internal environment is known as ______________________

45. Active transport moves molecules from an area of _______________ concentration to an area of ______________ concentration.

46. Passive transport moves molecules from an area of _______________ concentration to an area of ______________ concentration.

Photosynthesis and Cellular Respiration

Know the balanced formulas for photosynthesis and cellular respiration and be able to compare and

contrast the two processes. Reactants → Products

47. The balanced formula for photosynthesis is : ______________________________________________________

48. Photosynthesis takes place in the ___________________________ in plant cells.

49. The balanced formula for cellular respiration is: ___________________________________________________

50. Cellular respiration takes place in the ___________________________ of both plant and animal cells.

51. Cellular respiration releases ___________________ energy from food and converts it to ____________ energy.

52. How are photosynthesis and respiration similar? ____________________________________________

___________________________________________________________________________________

53. Why are photosynthesis and cellular respiration often considered opposites?

a. Photosynthesis produces twice as many ATP molecules as cellular respiration does.

b. Water is released during photosynthesis and consumed during cellular respiration.

c. Photosynthesis occurs during the day, and cellular respiration occurs at night.

d. Oxygen is produced during photosynthesis and used during cellular respiration.

54. Why are plants green? ___________________________________

55. List and describe the three stages of aerobic cellular respiration. Include the number of ATP molecules produced at each stage. (Refer to the text page 222).

_______________________________________________________________________________________

_______________________________________________________________________________________

_______________________________________________________________________________________

56. Which of the processes shown in the figure below is considered an aerobic process? ___________________

57. Which process is anaerobic in the flow chart shown to the right? ________________

58. Fill in the two empty boxes to show the two

types of fermentation.

Differentiate glucose and ATP and know when the cell uses each.

59. The molecule that is used for short-term energy in a cell is __________________, while ______________ is

used for long-term energy storage.

A B C

60. What molecule is shown above? _____________________________

61. Identify the following parts:

A. _________________ B. ________________ C. __________________

62. In which part of the molecule is the energy that the cell can convert to drive cell processes? ____________

________________________________________________________________________________________

Mitosis and Meiosis

Name the stages of the cell cycle and cell division and describe what occurs at each stage.

63. Describe what happens during each phase of the cell cycle:

a. G1 - __________________________________

b. S - _________________________________

c. G2 - __________________________________

d. M - _________________________________________

64. Cell division has two stages, mitosis (division of the ______________)

and cytokinesis (division of the ______________________).

65. Identify and describe each phase of Mitosis:

|Stages of Mitosis |Name of Stage |What happens? |

| | | |

| | | |

| | | |

| | | |

| | | |

| | | |

| | | |

| | | |

| | | |

| | | |

| | | |

| | | |

66. Look at the diagram on the right. What is this structure called? __________________

Identify the parts: a. _______________ b.________________

67. When condensed chromatin forms __________________.

Differentiate between mitosis and meiosis and relate to sexual and asexual reproduction.

68. Fill in the following chart:

|Property |Mitosis |Meiosis |

|Type of cells | | |

|Number of daughter cells | | |

|Diploid or haploid daughter| | |

|cells? | | |

|Genetically identical | | |

|parent cells? | | |

69. If a cat has 38 chromosomes in each of its body cells, how many chromosomes will be in each daughter cell after mitosis? ________ How many after meiosis?__________

70. What are the cells produced during meiosis used for in the body? _______________

71. Bacteria reproduce asexually via ____________________

72. Yeast reproduce asexually via ___________________.

73. What are gametes? ____________________________________________

74. What is a zygote? ___________________________________________________________________________

75. What is fertilization? _________________________________________________________________________

Explain the mechanism of cancer.

76. Cancer is uncontrolled cell ____________________; A mass of cancer cells is called a ______________

Genetics

Understand key terms used in genetics.

77. A somatic cell or body cell of a normal human adult contains ______ chromosomes while the gametes contain _______chromosomes.

78. An egg cell produced by a human female can only contain what sex chromosome? ________

79. Define heterozygous - ___________________________________________________________________

80. Define homozygous - ___________________________________________________________________

81. Explain the difference between genotype and phenotype. Use an example in your explanation

82. In humans, a male has –

a. one X chromosome only. c. one X chromosome and one Y chromosome.

b. two X chromosomes. d. two Y chromosomes.

Understand monohybrid cross and how to determine alleles for all generations (including standard crosses, incomplete dominance, codominance, sex-linked, and dihybrid crosses).

83. What does it mean if an allele is dominant? ___________________________________

84. What does it mean if an allele is recessive? ____________________________________

85. What is the genotype of a male who is heterozygous for brown eyes (B)?____________________________

86. What is the genotype of a female who is homozygous recessive for blue eyes (b)?_____________________

87. Brown eyes are dominant over blue eyes, construct a Punnett square to determine

genotype and phenotype ratios of the offspring if two heterozygous adults were crossed.

88. What is the genotype ratio for the cross above? _____________________

89. What is the phenotype ratio for the cross above? _______________________

90. From the Punnett square, what percent of the offspring would you predict to have:

a. blue eyes? ______

b. brown eyes? ______

91. What conclusion can be drawn from the information below?

|Jamie has free earlobes, which is a recessive trait in humans. Her parents both|

|have attached earlobes. |

a. Jamie’s parents are both homozygous for the dominant trait.

b. Jamie’s parents are both homozygous for the recessive trait.

c. Jamie’s parents are both heterozygous.

d. Jamie’s grandparents all have free earlobes.

92. What are the possible gametes for this parent: GgHh ______________________

BBFf_______________________

93. Finish the dihybrid cross below.

[pic]

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Potential Hazards of Acetone

May cause eye, skin, nose, and throat irritation. Inhaling or swallowing vapors may be harmful or fatal. Known to cause birth defects. Vapor may ignite explosively.

After

Before

meniscus

Glucose

phosphate

D

What percentage of the offspring will be round and yellow? ___________

What percentage of the offspring will be round and green? ___________

What percentage of the offspring will be wrinkled and green? _________

What percentage of the offspring will be wrinkled and yellow? _________

Put this in ratio form:

_______________________________ _______________________________

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