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BI 173 - First Exam - 2008
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. In adaptive radiation, the "radiation" part refers to
a. Conditions that produce mutations
b. Splitting of a family tree
c. Migration to several new areas
d. The movement toward a better form
e. Something you wouldn't want in a tanning booth
_______ 2. Striations in muscle cells are from
a. Mitochondria
b. Microfilaments
c. Membranes
d. Nuclei
e. Tiny Sharpies
_______ 3. The important part of the primordial soup hypothesis is that
a. It matched what was already known
b. It was able to "produce" cellularity
c. It could work with a simpler food chain
d. It worked at hydrothermal vents
e. They could get soup companies to sponsor it
_______ 4. Animals well-represented in the fossil record are mostly
a. Shelled
b. Large
c. Fresh-water
d. Scaly
e. There because they knew somebody who knew somebody
_______5. Traits are considered dominant based upon their
a. Likelihood of being passed to offspring
b. Protein effects
c. Ability to be expressed more strongly
d. Appearance along family trees
e. Basic personalities and fashion choices
_______6. Genetic information is most likely to increase significantly from
mutations that occur during
a. Mitosis
b. Meiosis
c. Replication
d. Apoptosis
e. Leap years
_______7. In a multicelled system, a cell membrane is useful mostly to
a. Protect the contents physically
b. Prevent water loss
c. Seal off the genetic material
d. Isolate the internal chemistry
e. Look pretty
_______8. Neo-darwinism focuses on the evolution of
a. Gene pools
b. Proteins
c. Niches
d. Ecosystems
e. Characters in The Matrix movies
_______9. Acid and base effects on biological molecules often come from
a. Breaking of covalent bonds
b. Disruption of hydrogen bonds
c. Disruption of ionic bonds
d. Disruption of water molecules
e. Maybe they just hurt their feelings
_______10. Which is mostly concerned with analogies?
a. Cladistics
b. Divergent evolution
c. Fossil analysis
d. Convergent evolution
e. Ummm, anal what now?
_______11. Malthus' most influential work was about
a. Overpopulation
b. Global warming
c. Evolution
d. Calculating the age of fossils
e. Lindsay Lohan
_______12. When looking specifically for homologies in proteins, what is
most often used?
a. Codons
b. DNA sequence
c. Amino acid sequence
d. Basic function
e. Google
_______13. Darwin was interested in artificial selection because it
a. Disproved Lamarck's idea
b. Showed how general environment affects species
c. Showed how types could change based on breeding
d. He used it to test his hypotheses
e. Was selection, which was hot, and artificial, which was also hot
_______14. Synapses are critical parts of
a. Nervous tissue
b. Microscopic systems
c. Evolutionary processes
d. Ecosystems
e. Questions that are basically hidden definitions
_______15. Which is true?
a. Organs are organized into tissues, which are organized into cells
b. Cells are organized into organs, which are organized into tissues
c. Cells are organized into tissues, which are organized into organs
d. All of these can be true in some animals
e. Isn't there some sort of confusion-limit rule for answers?
_______16. A control test is used because
a. You need a test that will not change
b. It allows you to control the results
c. It provides a necessary comparison
d. It will always reveal confounding factors
e. You can't get paid for it otherwise
_______17. According to prevailing current theories, Life on Earth evolved
in what order?
a. Prokaryote, eukaryote, photosynthesis, aerobic respiration
b. Prokaryote, photosynthesis, eukaryote, aerobic respiration
c. Prokaryote, photosynthesis, aerobic respiration, eukaryote
d. Prokaryote, eukaryote, aerobic respiration, photosynthesis
e. There was gunk, then stuff, then creepies
_______18. During natural selection, a feature becomes more widespread in a
population because
a. Possessors live longer
b. Possessors make more offspring
c. Offspring are more successful
d. All of these
e. You can buy it with a credit card
SHORT ANSWER.
Pick TEN Questions to answer in the spaces
provided.
NOTE: if you answer MORE than ten, only the first ten will be corrected.
Four Points each. Partial credit is possible.
| 1. In what two different ways are
syncytia produced? |
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2. What is Mendel's Law of Independent
Assortment?
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What part of the Law had to be added later?
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| 3. What is the simplest way to recognize when
active transport is occurring in cells?
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| 4. What are two features of the
embryos we looked at in the lab that might be used to support the
idea of "ontogeny recapitulates phylogeny"? |
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5. Briefly explain why virtually all traits are
multiple-gene traits.
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| 6. The populations of species are
most different from the mainland populations if either or both of
what two factors are also different? |
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| 7. What are the two different ways
that hypotheses in science are tested? |
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| 8. What are two different ways that
gender can be set in individual animals? |
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9. Briefly explain genetic redundancy based upon
codons.
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| 10. For cilia and microvilli, give
one type of feature... |
They have
in common?
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They do not
have in
common? |
| 11. Briefly explain why a uniformitarian approach
is sometimes necessary.
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12. What is the purpose of polar bodies?
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13. What is the Cambrian Explosion?
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14. What is recombination, and why is it so
important to evolution?
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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.
Six Points Each. Partial credit is possible.
| 1. For three different classes of
animal tissue, name the tissue and describe one feature that makes
that tissue different from all of the others. |
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| 2. Name (just name) six different
organelles or structures found inside a eukaryote cell |
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| 3. For microscopes - |
| Main types of beams used |
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| Main ways that the beam interacts w/
specimens |
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| 4. Give three major different
biological uses for each: |
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PROTEINS |
LIPIDS |
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| 5. What are six different basic
features found in all living things on Earth? |
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| 6. Answer for one of the two
fundamental types of reproduction. |
| TYPE: |
Definition: |
| Evolutionary Advantage:
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Evolutionary Disadvantage:
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| 7. Give three sets of basic
differences between - |
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SPERM |
EGG CELLS |
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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.
Viruses violate some of the "living thing rules." What rules are violated,
for Two Points Each?
Why do plants produce most of their carbohydrates? Three Points
What examples of specific evidence supports the hydrothermal vent
origin-of-life hypothesis? Two Points Each.
Why might the "snowball period" have been critical to animal evolution?
Three Points.
Much of the beginning of Darwin's On the Origin of Species was about doing
what? Three Points.
Who essentially invented biogeography? Three Points.
Explain how two subpopulations in the same place that can interbreed still
become reproductively isolated. Three Points.
What assumption about molecular clocks may very well be wrong? Three Points.
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