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BIO 171 - Second Exam - 2018
Multiple Choice.
Place the letter of the choice that best answers the
question on the line to the left.
Two Points Each. NOTE: “e” answers are never the correct
answer.
_______1. Electron transport chains would
be active in
a. Mitochondria b. Nuclei
c. Prokaryotes d. Ribosomes
e. Where electrons refuse to walk
_______2. If the null hypothesis is true,
a. The hypothesis can’t be tested
b. There won’t be a variable c.
Results can’t be collected
d. The
original hypothesis is wrong
e. Then everyone goes home
_______3. Nitrogenous wastes are produced
when
a. Starches are used for respiration
b. Fats are digested c. Proteins are
used for respiration
d. Proteins
are digested
e. Nitrogen is, like, spilled on the floor
_______ 4. What makes rough endoplasmic reticulum
appear rough?
a. Ribosomes b. Curled membrane
c. Double membrane d. Pores
e. The homemade cigarettes
_______ 5. A nucleosome is a kind of
a. Molecular organelle b.
Microcompartment c. DNA packaging
molecule
d. Stain
inclusion
e. Word that looks familiar, but isn’t
_______ 6. An experimental variable is
called that because it changes
a. As the experiment goes along
b. Between the hypothesis and the test
c. Between the experimental test and the control test
d. After you collect results and process them
e. Your life forever - no, wait, that’s true love...
_______7. If you understand what every part of a
car does, you’ll know exactly how a car works.
This concept is called
a. Inclusion b. Reductionism
c. Broad-variable d. Systemism
e. Don’t call it, call a mechanic
_______8. What time units are counted by a
molecular clock?
a. Radioactive half-lives b.
Biological half-lives c. DNA decay
d. Point mutations
e. They make the cutest little tick-tocks
_______9. Which taxonomy approach
is particularly concerned with key features?
a. Systematics b. Phylocode
c. Cladistics d. Classicism
e. Stealthy
_______10. In the middle of
both aerobic respiration and photosynthesis
is
a. A cycle b. An electron
transport chain c. Ammonia production
d. A bit with
half-glucose molecules e. A spot where
my memory just shuts right down
_______11. Metabolism is primarily
concerned with tracking
a. Nutrients b. Wastes
c. Energy d. All of the above
equally
e. None of the above equally
_______12. Another way to describe similar in
structure but different in function
a. Homologous but not analogous
b. Analogous but not homologous
c. Derived but not ancestral
d. Ancestral but not derived
e. Why do we need another way to describe it?
_______13. A cell with a lot of Golgi bodies
is likely doing what job?
a. Absorption b. Digestion
c. Secretion d. Reproduction
e. Are there any openings for that job?
_______14. An experimental artifact is a
kind of
a. Reference b. Device
c. Result d. Variable
e. Old old sciencey thingy
_______15. In the most common form
of academic peer review, the peer is
a. Reading a paper submitted to a journal
b. Is working in a neighboring laboratory
c. Is visiting from another laboratory
d. On the committee that comes up with ideas
e. Probably going to point and laugh
_______16. Oxygen debt can be found in
a. Chloroplast internal spaces
b. Mitochondrial internal spaces c.
Respiratory enzymes
d. Overtaxed
muscles
e. Some very odd financial documents
_______17. Organisms which are not closely related
but which look or behave in a very similar way
probably went through
a. Combined homologies b.
Convergent evolution c. Shared
mutations d. Divergent evolution
e. The same summer camps
_______18. Sectioning is a process used to
a. Separate multiple data groups in an experiment
b. Change how many subgroups are classified in a bigger group
c. Prepare specimens for microscope viewing
d. Analyze chromosomes individually
e. Slice up student brains like orange wedges
Short Answer.
Pick NINE questions to answer in the spaces provided.
NOTE: if you answer MORE than nine, only the first nine
will be corrected.
Four Points each. Partial credit is possible.
1. What is the first step in glycolysis?
What change then happens in the target molecule? |
2. Briefly explain the endosymbiont theory.
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3. Briefly explain what postmodernism
is, applied to science.
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| 4. The two features of a good
hypothesis - |
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| 5. Give two sets of
differences between the two types of
CHROMOSOMES - |
| PROKARYOTE |
EUKARYOTE |
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| 6. The two basic types of
indirect observations - |
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| 7. What are the two major types of
first-level energy transformations in ecosystems? |
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| 8. What are two advantages
of quantitative data over qualitative data? |
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9. Put the following groups in order from
the largest to the smallest: Class, Domain, Family, Genus,
Kingdom, Order, Phylum, Suborder, Superfamily. (No species on the
list) |
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1 |
4 |
7 |
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2 |
5 |
8 |
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3 |
6 |
9 |
10. According to
Malthus, what are the three natural effects of
overpopulation?
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11. Briefly explain how
sexual selection works.
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| 12. What are two different
commercial uses for anaerobic organisms? |
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| 13. What are the two levels of a
double-blind test? |
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| 14. The rate at which a particular group
evolves is “set” by what other two rates? |
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15. Both major energy systems depend on the use of
Hydrogens. To do what, exactly?
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16. Explain briefly how antibiotic resistance can be
acquired (not developed).
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| 17. When classification scientists want
to change a group’s classification - |
WHAT
ARE
THEY ALLOWED
TO DO? |
WHAT
ARE THEY
NOT ALLOWED
TO DO? |
18. What are dynein and kinesin?
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Also, how are
they different?
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Long Answer.
Select and answer completely any four of the following questions.
Note: if you answer more than four, only the first four
will be corrected.
Seven Points Each. Partial credit is possible.
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1.
Give two different rules
that apply specifically to each in
binomial nomenclature: |
FIRST
WORD |
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SECOND
WORD |
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ENTIRE
NAME |
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2.
Answer for sexual reproduction: |
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BASIC
DEFINITION
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ADVANTAGE
Compared to Asexual
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DISADVANTAGE
Compared to Asexual
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3.
For each
category of microscope, there are
two different terms that apply. |
Nature
of the
Imaging Beam |
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How
the Beam
Interacts with
the
Specimens
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4.
For
three
different types of
vesicles or vacuoles - |
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Structure NAME |
Structure FUNCTION |
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5.
When
biologists are trying to decide whether
viruses are truly alive, these are important: |
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Two traits viruses have IN COMMON with all living things. |
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Two traits all living things should have that all viruses do
not. |
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| 6. Define the terms - |
MONOPHYLETIC
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POLYPHYLETIC
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PARAPHYLETIC
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| 7. Give
the steps that, according to the Theory of Evolution by
Natural Selection, should happen between the steps given.
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| The environment
around a population changes |
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The new population is different enough to
be considered a new species. |
| 8. Give the names and
basic functions of three
molecular-complex organelles. |
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Link to Answer Key
BONUS QUESTIONS.
Answer as many or as few as you wish. You can't lose points on the rest of the
exam by getting these wrong. Partial credit is possible.
Why is the total yield of aerobic respiration difficult to
get an exact number for? Three Points.
What particular feature is shared by almost all uric acid
producers? Three Points.
Why did no one expect ecosystems at hydrothermal vents?
Three Points.
What do the words (not the term) mean in binomial
nomenclature? Three Points.
What is probably soon going to be the standard way to
decide a group is a separate species? Three Points.
What is a triple-blind test? Three Points.
How is uniformitarianism generally applied? Three Points.
Explain: “Epigenetics can be largely LaMarckian.” Three
Points.
What was the first section of Darwin’s Origin of Species
about? Three Points.
Why would microscopic specimens be coated in gold? Three
Points.
What are the two classification criteria for intermediate
filaments? Four Points.
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