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BIO 171 - Third Exam - 2015
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. The primary cellular
component of muscle is
a. Microfilaments b.
Microtubules c. Rough membrane
d. Intermediate filaments
e. Cytomusculosomething
_______ 2. Amino acid synthesis in the
first land plants depended directly upon
a. Algae inclusions b. Organic
breakdown c. Photosynthesis
d. Fungal symbionts
e. Following the package directions closely
_______ 3. The "screening" done by
immune cells often involves interaction with
a. Ligands b. Nuclei
c. Glycocalex d. Flux variations
e. Tiny little surveys
_______ 4. Central vacuoles are used to
a. Process secretions b. Support
plants c. Provide osmotic stability
d. Reinforce nuclei
e. Show where the middle is
_______5. The fluidity of a cell
membrane is closely associated with
a. Cholesterol b. Binding sites
c. Cotransport d. Steroids
e. How drunk it gets
_______6. Cyclic AMP is commonly used as
a(n)
a. Active transport system b.
Energy source c. Second messenger
d. Gene activator
e. Stirring spoon
_______7. The cells in hyphae should
not have
a. Plasmids b. Cell Walls
c. Nuclei d. Mitochondria
e. Investments overseas
_______8. Metamorphosis typically
a. Occurs with alternation of generations
b. Requires a complete change of environment / location
c. Increases a species' carrying capacity
d. All of the above
e. Requires a highly varied wardrobe
_______9. Dynein has a critical role in
a. Transduction b. Transport
within a cell c. Chemotaxis
d. Transport through the cell membrane
e. Making super-heroes - it just sounds like that kind of origin-story stuff
_______10. Worn-out cells often go through
what process?
a. Apoptosis b. Replication
c. Metastasis d. Rejuvenation
e. Always complaining about their aches and pains
_______11. Topoisomerase and
helicase are both involved in
a. Transduction b. Flagellar
motion c. Active transport
d. DNA replication
e. Tougher rounds on Jeopardy!
_______12. Both plants and
animals have tissues with these primary functions -
a. Respiration and reproduction
b. Secretion and protection c. Surface
and support
d. Respiration and photosynthesis
e. Snot removal and dabbing while crying
_______13. G Proteins are typically found
a. In the nucleus b. On the
outside of the cell membrane c. In
ribosomes
d. On the inside of the cell membrane
e. Shouldn't it be someplace that starts with "g"?
_______14. Knowledge of which process is a
primary product of C. elegans
research?
a. Reproduction b. Fungal zones
c. DNA processing d. Development
e. Online shopping
_______15. Arabidopsis would
probably have been involved in the study of
a. Digestive function b.
Flowering mechanisms c. Gastrulation
d. Basic genetics
e. Yet another anti-muslim news story
_______16. Golgi bodies should be active
during
a. Animal prophase b. Fungal
telophase c. Bacterial interphase
d. Plant anaphase
e. Late nights in the Golgi pit
_______17. What is indicated by the presence of
rough endoplasmic reticulum?
a. Production of secretions b.
Preparation for cell growth c.
Preparation for reproduction
d. Production of materials used somewhere else in the cell
e. Yet another question that makes no sense
_______18. An acrosome has an important
function in what process?
a. Fertilization b. Storage of
photosynthetic products c. Production
of spindle fibers
d. Spore production e. Putting one
more "-some" word on the much-too-long list
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. Fresh-water fish use
two different strategies to prevent osmotic damage -
what are they? |
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| 2. What two different structures
do spindles attach to? |
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| 3. For spiral cleavage - |
Describe the
PROCESS - |
WHEN does
it
HAPPEN? |
| 4. For Okazaki fragments - |
What
are
they? |
Why
are they
fragments? |
| 5. What are the two different
general cell functions that happen during interphase? |
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| 6. The abilities of
early pollen probably derived from what two
abilities that had "recently" evolved? |
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| 7. Give a basic function
for each - |
PEROXISOME -
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LYSOSOME -
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BONUS - What particular type of
structure are these?
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| 8. What are the fungal growth
zones? (Names only) |
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| 9. Give two different types of
signal ligands - |
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| 10. What are two stages
of the cell cycle when cytokinesis
should not happen? |
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| 11. Two ways that a
cell is likely to increase flux of a
type of incoming material - |
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| 12. Researchers
into telomerase mechanisms in aging - |
Hope
to get
what, particularly,
to happen?
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May
get what
predictable
side-effect?
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| 13. Give two general
examples of cooperative coevolution in
land plants. |
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14. The plant cells in the diffusion lab have a very
low permeability to
sodium and chloride. Why?
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15. Systems with positive feedback
control tend to require control of the control.
Why?
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16. Briefly explain where "brand new" genes /
abilities come from.
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| 17. Intermediate filaments
are divided into classes based upon what two
different factors? |
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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.
| 1. Give the names and
basic functions of three
molecular-complex organelles. |
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| 2. For the endosymbiont theory - |
| Two
organelles most closely associated - |
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Two pieces of strong supporting evidence
for the theory - |
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| 3. There are
three different evolutionary "rationales" for
alternation of generations. What are they? |
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4. Give three
sets
of differences (other than the associated genders) between - |
| SPERM |
EGG
CELL |
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5. For each embryonic germ layer, name
the layer and give one organ system that is
mostly derived from that layer. |
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| 6. Give three sets of differences
between - |
| FLAGELLA |
CILIA |
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7. Give the
functions (names are NOT enough) of
three different membrane protein types.
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8. Explain in some detail how geotaxis
works in a germinating seed.
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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 it unlikely that contractile vacuoles are filled
using osmosis? Three Points.
How is apoptosis "supposed" to be pronounced? Three Points.
Cancers "turn on" abilities that allow them to thrive and
spread. For Two Points Each, give such specific abilities.
The endosymbiont theory was strongly resisted because it
was new and odd, but what was the non-science likely reason for the resistance?
Three Points.
What was the actual purpose of the salt in the diffusion
lab salt solution? Three Points.
What is the counter-force to root pressure? Three Points.
What types of human cells depend on gates for their main
function? Three Points each.
Interphase has a stage that follows the synthesis stage.
Why? Three Points.
What fairly well-known structure does not appear to have an
official biological name? Three Points.
The timing of meiosis in egg cell production varies widely
in animal groups. Why do the stages get delayed? Three Points.
What is ringworm? Three Points.
For Mendel - why did he use pea plants? Three Points.
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