Final Exam Preparation Guide
Completion
Complete each statement using your notebook. This study guide is not intended to serve as the ONLY study material that you
use to prepare for the final exam, but help stimulate your thinking of concepts that we have covered this semester. All
material in your notebook is likely to be on the final.
Topics for this exam include: Biochemistry, Viruses/Bacteria, Cell Structure, Cells and their Environment, Cell Growth and
Division(Mitosis), Meiosis and Sexual Reproduction, Mendel and Heredity, DNA, RNA and Proteins, Biotechnology
1. Lipids are ____________________ molecules because they have no negative and positive poles.
2. A(n) ____________________ contains carbon, hydrogen, and oxygen in a ratio of 1:2:1.
3. Most proteins consist of two or more ________________ that twist and fold around each other.
4. All living things require a source of ____________________ to carry out their life activities.
5. The energy needed to start a chemical reaction is called ____________________.
6. A biochemical reaction can be speeded up by adding a(n) ____________________, which lowers the amount of
activation energy required to start the reaction.
7. The portion of an enzyme molecule into which a specific substrate can fit is called the ____________________.
8. All cells arise from ____________________. (Cell Theory)
9. The basic unit of structure and function in an organism is the ____________________.
10. The statement that “cells arise only from existing cells” is part of the ____________________.
11. The surface area-to-volume ratio limits a cell’s ____________________.
12. Eukaryotic cells contain specialized structures called ____________________.
13. A cell with a nucleus is a(n) ____________________ cell.
14. All substances that enter or leave a cell must cross the cell ____________________.
15. The ____________________ houses a cell’s DNA, which contains genetic material.
16. The organelles where protein synthesis occurs in a cell are called ____________________.
17. Prokaryotic cells have a cell ____________________ that surrounds the cell membrane.
18. Some prokaryotic cells have a ____________________ that surrounds the cell wall.
19. ____________________ cells have membrane bound organelles and a nucleus.
20. The web of protein fibers (made of microtubules) that supports the shape of the cell is called the
_______________.
21. A ribosome is made of ____________________ and many proteins.
22. Rough endoplasmic reticulum has ____________________ attached to its surface.
23. _____ E. R. has no attached ribosomes, makes steriods and helps transport materials through the cell.
24. Vesicles help maintain _______________ by storing and releasing various substances as the cell needs them.
25. Photosynthesis takes place in the ____________________ of plant cells.
26. Both plant cells and animal cells have cell membranes. In addition, plant cells are surrounded by a(n)____.
27. In multicellular organisms, similar cells group together to make ____________________.
28. One way cells maintain homeostasis is by controlling the movement of substances across the cell __________.
29. A(n) ____________________ is a specialized lipid made of a phosphate head and two fatty acid tails.
1
30. Ions and most polar molecules are repelled by the ____________________ interior of the lipid bilayer.
31. Proteins that aid in moving substances into and out of cells are called ____________________ proteins.
32. ___________ are proteins in the cell membrane that help with important biochemical reactions inside the cell.
33. To reach equilibrium, substances always flow from an area of high concentration to an area of _____
concentration.
34. Diffusion of ions through ion channels is a form of ____________ transport, which uses no energy (ATP).
35. The diffusion of ____________________ through cell membranes is called osmosis.
36. If a cell is placed in a(n) ____________________ solution, water will flow out of the cell.
37. If a cell is placed in a(n) ____________________ solution, water will flow into the cell.
38. Active transport, like the sodium-potassium pump, requires the use of ________ by a cell.
A
B
39. Refer to the illustration above. The process shown in figure B is called ____________________.
40. Refer to the illustration above. The process shown in figure A is called ____________________.
41. Growth occurs through cell enlargement and cell ____________________.
42. The DNA in eukaryotic cells is packaged into structures called ____________________.
43. A duplicated chromosome consists of two identical____________, which are held together at the centromere.
44. The sequence of events that occurs in a cell from one cell division to the next is called the _______________.
45. Collectively, the time spent in G1 + S + G2 is called ____________________.
46. A cell’s DNA is copied during the ____________________ phase.
47. “Cables” made of microtubules that extend from the poles of a cell to the chromosomes’ centromeres during cell
division are called ____________________.
48. In most eukaryotic cells, ____________________ takes place after the nucleus divides.
49. After a new nuclear membrane forms during telophase of mitosis, the ________ divides, resulting in two cells.
50. The cell cycle is controlled in eukaryotes at three principal ____________________.
51. Loss of control and regulation of the ____________________ can result in the development of cancer.
52. Only ____________________ cells can produce gametes.
53. The X and Y chromosomes are called the ____________________ chromosomes.
54. In humans, a zygote with XX chromosomes will result in a(n) ____________________.
55. Somatic cells containing two sets of 23 chromosomes each are always ____________________.
56. The process called ____________________ guarantees that the number of chromosomes in gametes is half the
number of chromosomes in body cells.
2
57. A reciprocal exchange of corresponding segments of DNA is called ______ - _____, which leads to genetic
variation.
58. The cells resulting from meiosis in either males or females are called ____________________.
59. The process in which sperm and egg cells join is called ____________________.
60. The patterns that Mendel discovered form the basis of ____________, the branch of biology that deals with
heredity.
61. Mendel observed a ___________ ratio of contrasting traits in the F2 generation for all seven of the pea-plant
characters he studied.
62. In Mendel’s experiments, a trait that disappeared in the F1 generation but reappeared in the F2 generation was
always a(n) ____________________ trait.
63. Different forms of a particular gene are called ____________________.
64. The statement that the members of each pair of alleles separate when gametes are formed is known as the law of
_________.
65. An organism’s ____________________ refers to the set of alleles it has inherited.
66. The detectable traits of an organism as determined by what alleles are present is the ____________________.
67. An organism that has two identical alleles for a trait is called ____________________.
68. The principle that states that alleles of different genes separate independently of one another during gamete
formation is the law of _________________________.
In pea plants, tallness (T) is dominant to shortness (t). Crosses between plants with these traits can be analyzed
using a Punnett square similar to the one shown below.
T
t
T
1
2
t
3
4
69. Refer to the illustration above. The parents shown in the Punnett square could have offspring with a genotypic
ratio of ____________________.
70. Refer to the illustration above. Box 2 and box ____________________ in the Punnett square represent plants that
would be heterozygous for the trait for tallness.
71. Refer to the illustration above. The phenotype of the plant that would be represented in box 4 of the Punnett
square would be ____________________.
72. Refer to the illustration above. The genotype of both parents shown in the Punnett square above is __________.
73. If some of the offspring of a test cross have the recessive trait, then the genotype of the individual being tested is_.
74. The likelihood that a specific event will occur is called ____________________.
75. A trait that is determined by a gene that is only found on the X chromosome is said to be ___ - ____________.
76. Inheritance in which two dominant alleles are expressed at the same time is called ____________________.
77. A character for which there are three or more alleles is said to have ______ _____. An example is blood typing
78. A phenomenon in which a heterozygous individual has a phenotype that is intermediate between the phenotypes
of its two homozygous parents is called ____________________.
3
79. Griffith’s experiment showed that live bacteria without capsules acquired the ability to make capsules from dead
bacteria with capsules in a process Griffith called ____________________.
80. A DNA subunit composed of a phosphate group, a five-carbon sugar, and a nitrogen-containing base is called
a(n)________.
81. The name of the five-carbon sugar that makes up a part of the backbone of molecules of DNA is _________.
82. Watson and Crick determined that DNA molecules have the shape of a(n) _________ ___________.
83. Transcription and translation are stages in the process of ____________________.
84. The second stage of gene expression is called ____________________.
85. The nitrogen-containing base that is found only in RNA is ____________________.
86. The form of ribonucleic acid that carries genetic information from the DNA to the ribosomes is
____________________.
87. Messenger RNA is produced during the process of ____________________.
88. The sequence of three nucleotides that code for specific amino acids or stop signals in the synthesis of protein is
called a(n) ____________________.
89. The information contained in a molecule of messenger RNA is used to make protein during the process of
_______.
90. The form of ribonucleic acid that carries genetic information from the DNA to the ribosomes is____________.
91. The genetic code is considered to be a _____________ code because it applies to almost all living organisms.
92. Antibiotic _____________ in bacteria is caused by using antibiotics so often that the bacterial genome is changed.
93. A round-shaped bacterium is called a(n) ____________________.
94. A rod-shaped bacterium is called a(n) ____________________.
95. Structurally, bacteria have one of two types of ____________________ that can be distinguished by the Gram
stain.
96. The procedure used to distinguish between two types of bacterial cell wall structures is called ____________.
97. The cell walls of bacteria are composed of ____________________, a protein-carbohydrate compound.
98. Bacteria that get both energy and nutrients from other organisms are ____________________.
99. Protective structures that some bacteria may form under harsh conditions are ____________________.
100. Segments of nucleic acids contained in a protein coat are called ____________________.
101. The protein coat of a virus is called a(n) ____________________.
102. All viruses reproduce by taking over the machinery of a(n) ____________________.
103. A viral reproductive cycle in which the host cell is not killed is a(n) ____________________ .
104. Infectious single strands of RNA that have no capsid are called ____________________.
105. A disease-causing agent is a(n) ____________________.
106. A(n) ____________________ is a substance that inhibits the growth of or kills microorganisms and can be used
as a drug to fight pathogenic bacteria.
107. The human immunodeficiency virus causes ____________________.
108. The process by which a dead or disabled pathogen (or proteins from that pathogen) is introduced into the body so
that an immune response results without an actual infection is called ____________________.
4