BI 171 - Fourth Exam - 2006
Place the letter of the choice that
best answers the question on the line to the left.
Each question's number is linked to the relevant part of the online book, if possible (some questions relate to multiple sections).
_______ 1. Oxygen debt happens in
a. C4 plants b. C3 plants
c. Fungi d. Muscles
_______ 2. An antenna complex is made up of
c. Muscle tissue
_______ 3. Most multicellular organisms grow when their cells
a. Divide only, with growth just to get big enough to divide again
_______ 4. Oxaloacetate is an intermediate molecule in
a. The Krebs / Citric Acid Cycle
5. If a certain plant can absorb only
red and purple frequencies, and red are longer wavelengths
a. Red lights
b. InfraRed lights
c. Purple lights
_______ 6. In transduction pathways, a protein kinase is usually
a. On the outer membrane surface
b. On the inner membrane surface
_______ 7. In many animal nervous systems,
a. White matter is wiring, gray matter is support system
_______ 8. Which environment is most likely to have a lot of plants doing C4 photosynthesis?
a. Arctic tundra (far north)
b. Temperate forest (local)
_______ 9. In a human, which condition is most likely to have come from a mutated homeogene?
a. Purple eyes
b. Right-left reversal
c. Failure to begin puberty
_______ 10. Samples have to be volatilized, made into a gas, for
a. A Mass Spectroscope
b. Polymerase Chain Reaction
_______ 11. In electron transport chains, what are actually helping to carry the electrons?
a. ATP b. Oxygen c. Light d. Hydrogen e. Cute little buckets
_______ 12. Ammonia is produced by
a. Protein synthesis
b. DNA synthesis
c. Respiration of lipids
_______ 13. Metamorphosis is used
a. To increase population size
b. To disperse offspring c. To
withstand nasty seasons
_______ 14. Arabidopsis thaliana is a
a. Lab mouse
b. Fruit fly
c. Mustard plant
_______ 15. G proteins are used in
c. DNA analysis
_______ 16. Which is true of both NAD and FAD?
a. They are derived from B vitamins
_______ 17. An acrosome is a
a. Light-capturing structure in a chloroplast
_______ 18. Group transfer potential is a basic feature of
a. Sperm b. ATP c. Food chains d. Receptors e. Buses
Pick NINE questions to answer in the spaces
Select and answer completely any four
of the following 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.
What sort of tissue works by letting ions flood through gates in a cell membrane? Three Points.
In food chains, where is most of the biomass? Three Points. _______________________
In food chains, where are the greatest number of species? Three Points.___________________
What is the adaptive reason that many algae have different chlorophylls? Three Points.
Give the process steps of photosynthesis, showing only those that sort of "reverse" in aerobic respiration. Two Points for Each step.
What types of color receptors do humans have? Two Points Each.
Why, exactly, should a sperm "tail" not enter the egg cell? Three Points.
What is a common consequence of polyploidy in plants? Three Points.
For Two Points Each, what sorts of tissue-specific functions are found in both animals and plants?
What are naturally-occurring restriction enzymes used for? Three Points.