Biology EOC Review
1. What are the differences between living and non-living things? List the 8 characteristics of life:
2.
3.
4.
5.
6.
7.
What are the ways that living things get energy to live?
What are some of the ways that living things use energy?
What are some ways that cells maintain homeostasis?
What are buffers?
What element makes all things “organic”?
Fill in the charts.
Macromolecule
Function
Carbohydrate
Subunits/monomers
Proteins
Lipids
Nucleic Acids
Specific Molecule
Starch
Function
Cellulose
Insulin
Glycogen
Glucose
Enzymes
Chitin
Fats
DNA
RNA
8.
9.
10.
11.
12.
Define membrane bound organelle. What cell type are they found in?
What are the three parts of the cell theory?
What is the function of the cell membrane?
What are some of the functions of the proteins found in the cell membrane?
Put the following in order from smallest to largest: organs, cells, organ system, tissues
13. Fill in the chart. Use the letter or number from the diagrams for the last column.
Cell Part
Structure Description
Function
Nucleus
Letter or Number
Plasma membrane
Cell wall
Mitochondria
Vacuoles
Chloroplasts
ribosomes
14.
Which cell is the plant cell (left or
right)?
15.
Which structures are found only
in the plant cell?
16.
Use the following terms to label
the cells below: red blood cell, sperm cell,
white blood cell, muscle cell, nerve cell
17.
Which cell is adapted for
movement?
18. Which cells need lots of energy for movement?
19. Which organelle will be found in large number in cells that need a lot of energy?
20. Why did the large dark molecules NOT move
to the left?
21. How is the semi-permeable membrane like a
cell membrane?
22. If the white molecule is water, where is the
water concentration the greatest at first?
23. In osmosis, water moves from an area of
________ concentration of substrate to an
area of ________________ concentration.
24. If the dark molecules could move, in what
direction would they move? Why?
25. In diffusion, molecules move from an area of
_____________ concentration to an area of _______________ concentration.
26. Which way water will move in each of the following situations:
a. Salt inside the cell 65% and outside the cell 40%.
b. Sugar inside the cell 27% and outside 80%.
27. What is homeostasis?
28. How do cells maintain homeostasis?
29. Fill in the chart.
PASSIVE TRANSPORT
ACTIVE TRANSPORT
Requires energy?
Low to high concentration or high
to low concentration?
Examples
30. What cellular process produces ATP?
31. What is ATP used for? Give examples.
32. What are the reactants and products for each of these?
Process
Reactant
Product
Examples of what uses
them
Photosynthesis
Cellular Respiration
(Aerobic)
Cellular Respiration
(Anaerobic)
33. Which reaction makes the most ATP?
34. How do factors such as pH, temperature, light, and food availability affect these reactions?
35. Label the following molecules in these equations: water, glucose, carbon dioxide, oxygen
a. 6H2O + 6CO2 + sunlight  C6H12O6 + 6O2
b. C6H12O6 + 6O2  C6H12O6 + 6O2 + ATP
36. Which of the above reactions is photosynthesis? (a or b)
37.
38.
39.
40.
41.
42.
43.
44.
45.
46.
47.
Which of the above reactions is cellular respiration? (a or b)
Which reaction(s) requires or stores energy?
Which reaction(s) release energy (ATP)?
Which reaction releases the most energy?
Which reaction requires chlorophyll?
Which reaction requires light?
Which organisms carry out process A?
Which organism carry out process B?
Which process uses chloroplasts in eukaryotes?
Which process uses mitochondria in eukaryotes?
Compare and Contrast Alcoholic Fermentation and Lactic Acid Fermentation
Occurs in
Releases
Alcoholic Fermentation
Amount of ATP produced
Lactic Acid Fermentation
48.
49.
50.
51.
52.
53.
54.
What is the function of enzymes in cells? (or, what is a catalyst?)
Explain the importance of shape to enzyme function.
Explain why enzymes are specific.
Explain why enzymes can be reused over and over again.
How do extreme pH and temperature affect enzymes?
What is denature?
Label the picture of the following enzymatic reaction: substrate, products, enzyme-substrate complex, enzyme.
55. Most enzymes end in what suffix?
56. What are some examples of enzymes?
57. What temperature is the best for this enzyme?
How can you tell?
58. At which numeral does this enzyme start to denature?
How can you tell?
59. Which enzyme (X or Y) could be used in acidic conditions?
How can you tell?
60. What pH is the best for the activity of X?
61. What Ph is the best for the activity of Y?
62. How can you tell for 60 and 61?
63. Below is a strand of DNA. DNA in the cells exists as a double helix – what needs to be added to make it a double
helix? Give the complementary nucleotide sequence.
64.
65.
66.
67.
68.
69.
Describe the structure of DNA. What are the black pentagons?
What are the nitrogen bases?
What weak bonds hold the complementary bases together?
If the strand of DNA above undergoes transcription, what will the sequence of mRNA be?
After translation, what would the amino acid sequence be? (Use your codon chart found in your notes)
What is a codon?
70. Compare RNA and DNA in the following table
RNA
Sugars
Ribose
Strands
Where in the cell
Function
DNA
71. What kind of bonds hold the amino acids together in the protein that is formed?
72. What are the three types of RNA and what are their functions?
a.
b.
c.
73.
74.
75.
76.
77.
78.
79.
80.
81.
82.
83.
84.
85.
86.
87.
Describe the process of DNA replication.
How many pieces of DNA are made?
What does semi-conservative mean?
What is transcription?
What is translation?
What happens to DNA when a mutation occurs?
How does this affect the mRNA?
How can this affect translation?
How does this affect the structure and shape of the
resulting protein?
Look at the diagram of the cell cycle in your notes. When
does the replication of DNA occur? (What is this phase
called?)
What are G1, S, and G2 all part of?
What stage does the cell spend most of its life in? What
does the cell do during this time?
Does mitosis include cytokinesis (division of the
cytoplasm)?
What is cancer? What are some causes of cancer?
Complete the following chart about Mitosis and Meiosis
Mitosis
Type of reproduction
(asexual or sexual)
Chromosome number of mother
cell (1N=haploid or 2N=diploid)
Chromosome number of daughter
cell (1N=haploid or 2N=diploid)
Number of cell divisions
Number of cells produced
When does replication happen?
SOURCES OF VARIATION
Crossing Over
Random Assortment of
chromosomes
Gene mutations
Nondisjunction
Fertilization
Meiosis
88.
Put the stages of mitosis in
order, then name them….
1st:
2nd:
3rd:
4th:
called
called
called
called
89.
How many chromosomes do
humans have in their…Body cells?
_______ Sex cells? _______
90.
What does diploid mean?
91.
What does haploid mean?
92.
When does crossing over occur
during Meiosis?
93.
94.
95.
96.
What is the major focus of Meiosis I?
What does it mean when a trait is dominant?
What does it mean when a trait is recessive?
In the Punnett square T= tall and t = short. What is the genotype of the
parents?
97. What is the phenotype of the parents?
98. What are the genotypes and phenotypes of the offspring?
99. What is the genotypic ratio of the offspring?
100.
What is the phenotypic ratio of the offspring?
101.
What environmental factors might affect the expression of
these genes for height?
102.
What does it mean if a trait is codominant?
103.
Some genes experience incomplete dominance. Cross a pure breeding red flower (RR) with a pure
breeding white flower (WW). Give the genotypes and phenotypes of the offspring.
104.
If a woman with Type A blood has a child with a man with Type B blood and their first child has Type O
blood, give the genotype of the woman and the man and do the cross. (Alleles are IA, IB, and i)
105.
What are the odds that they will have a child with Type O blood again?
106.
What are the odds that they will have a child with homozygous Type A?
107.
What are the odds that they will have a child with Type AB?
108.
A blood test is done to see if one of three men is the father of a child. The child has type O blood, the
mother has type A blood. Man #1 has type AB blood, Man #2 has type A blood, Man #3 has type O blood. Are
there any men that can be ruled out as the father? Explain.
109.
What does it mean to have multiple alleles?
110.
What does polygenic traits mean?
111.
What are the sex chromosomes in males?
Females?
112.
Colorblindness & hemophilia are sex-linked traits. What chromosome location (#) are these genes
found?
113.
Cross a female who is a carrier for hemophilia with a normal male.
114.
What are the odds that they will have a child with hemophilia?
115.
What are the odds that they will have a daughter with hemophilia?
116.
What are the odds that they will have a daughter who is a carrier for hemophilia?
117.
Why are males more likely to show this type of
disorder? (Who (mother/father) is likely to give them the
bad gene?)
118.
What is the gender of the person whose
karyotype is shown to the left?
119.
What is the disorder that this person has?
120.
What is your evidence?
121.
of disorder?
What are some of the characteristics of this type
122.
What is the inheritance pattern shown
by this pedigree?
123.
How do you know?
124.
Using A,a, what is the genotype of
person II4?
125.
What is the genotype of person I3?
126.
Explain Mendel’s Law of Segregation
of Alleles.
127.
Explain Mendel’s Law of
Independent Assortment.
128.
How does meiosis lead to segregation
and independent assortment?
129.
A brown mink crossed with a silverblue mink produced all brown offspring. When these F1 mink were
crossed among themselves they produced 47 brown animals and 15 silverblue animals (F2 generation). Determine
all the genotypes and phenotypes, and their relative ratios, in the F1 and F2 generations.
130.
What was the goal of the human genome project?
131.
How will the human genome project be useful in finding whether individuals may carry genes for genetic
conditions?
132.
How will the human genome project be useful in developing gene therapies?
To the left is an electrophoresis gel, showing evidence from a rape case.
133.
Could the defendant be the rapist? (Y/N)
Explain your answer.
134.
Which fragments of DNA are the longest? Explain
135.
What other ways can DNA fingerprinting be useful?
136.
What is a restriction enzyme?
137.
Which type of fragments move the fastest in the gel? (big or small)
138.
Which type of fragments move the slowest in the gel (big/small)
139.
The diagram to the right shows how stem cells can
develop into many types of different cells. What are some of the
potential benefits that could come from the growing of stem
cells in a laboratory?
140.
In the following chart, describe the role of each of the following in developing the current theory of
evolution.
Anatomical Evidence
Patterns in Fossils
Ideas about inheritance
Of acquired characteristics
Biochemical comparisons
(DNA and proteins)
The role of sexual reproduction
Importance of the environment
141.
What is a vestigial structure? Name a few in humans.
142.
Discuss the steps in Darwin’s theory of evolution by natural selection.
1. Populations of organisms have many genetic variations. Where do these come from?
2. Organisms could reproduce exponentially but they don’t. Why not? What are they restricted by?
3. Genetic variations lead to different adaptations. What are adaptations?
4. Some adaptations have better survival value in certain environments. What does this mean?
143.
Those organisms with adaptations that better fit them to an environment will survive, reproduce and
pass on their genes. What does it mean to be “fit” to an environment?
144.
Compare and contrast convergent and divergent evolution.
145.
What happens when pesticides and antibiotics are used and how does it relate to evolution?
146.
What did Louis Pasteur contribute to our understanding of the origins of life?
147.
Why is the current classification system continually undergoing change?
148.
What are the three domains proposed above the kingdom level?
149.
What is the current seven-level classification system? (DKPCOFGS)
150.
What is binomial nomenclature
151.
How do you write a “scientific name?
152.
What is a cladogram? What are derived characters?
153.
DNA and biochemical analysis, embryology, and morphology used to classify organisms. They try to
determine a “common _______________________________.”
154.
To the left is a phylogenetic tree of some organisms.
According to this tree, which pairs of organisms are most closely
related?
155.
Which organism is most closely related to the rayfinned
fish?
156.
to?
157.
Which organisms are the mammals most closely related
158.
Compare the following two types of cells.
Prokaryote
Membrane bound organelles
Ribosomes
Location of chromosomes
Size
Eukaryote
159.
160.
161.
162.
163.
Explain the relationship between sickle cell anemia and malaria.
Explain the relationship between lung and mouth cancer and tobacco use.
Explain the relationship between skin cancer, vitamin D, folic acid and sun exposure.
Explain the relationship between diabetes, diet/exercise, and genetics.
164.
How do organisms, species, populations, communities, ecosystems and biomes relate to each other?
165.
Explain the relationship between PKU and diet
What is an organism’s habitat? What is its niche?
Definition
Mutualism
Example
Parasitism
Commensalism
166. In the graph below, which organism is the prey?
Which is the predator?
167. Which population increases (or falls) first and why?
168. Which population increases (or falls) second and why?
169. Why are predator/prey relationships important in an ecosystem? (Consider population dynamics in your answer.)
170. What is carrying capacity?
171. What are density dependent limiting factors?
What are density independent limiting factors?
172. List at least 3 biotic factors in an environment.
173. List at least 3 abiotic factors in an environment.
Graph 1: Rabbits Over Time
174. What kind of growth curve is shown
by the graph to the right?
175. What is the carrying capacity for
rabbits?
176 During what month were rabbits in
exponential growth?
Graph 2: Mexico and US
177. In Mexico, what percentage of the population is between 0-4 years of age?
178. In the US?
179. Which population is growing the fastest?
180. Which age group has the smallest number in both countries?
181. Which process(es) put carbon dioxide into the atmosphere?
182. Which process(es) take carbon dioxide out of the atmosphere?
183. How does photosynthesis and cell respiration relate to Carbon cycle?
184. Explain the Greenhouse Effect in relationship to carbon dioxide in the atmosphere.
185. What effect might increased atmospheric carbon dioxide have on the environment?
Food Webs
186. What are the producers in this food web?
187. What are the primary consumers (herbivores) in this
food web?
188. What are the secondary consumers in this food web?
189. What are the highest level consumers in this food web?
190. How does energy move through a food web?
191. How does matter move through a food web?
192. What is a food chain? Give an example of one from this
food web.
193. Create an energy pyramid from the food chain:
leavesinsectsbirdsredfoxbear
194. Where is the most energy in this pyramid?
195. Where is the least energy in this pyramid?
196. What happens to energy as it moves through the food
chain/web?
197. Assume there are 10,000 kcal of energy in the leaves?
Estimate the amount of energy in each of the other levels
of the energy pyramid.
198. What percent of energy is lost?
199. How much is passed on?
200. What is the ultimate source of energy for this food
web?
201. What are the effects of bioaccumulation (biomagnification) of pesticides on a food web?
202. Why do some species become resistant to pesticides?
203. What are some pros and the cons of biocontrols as alternatives to pesticides?
204. What is the role of carbon emissions and other emissions as causes of global warming?
205. What are some possible effects of global warming?
206. What are some ways that carbon production can be decreased?
207. What effect do volcanoes have on the atmosphere?
208. What are some examples of sustainable practices and stewardship that can protect the environment?
209. What is an invasive or non-native species? How can they cause negative effects on an ecosystem?