In Arabidopsis, the leaves at the base of the plant are which type?
a. Rosette
b. Cauline
c. Trichrome
d. Silique
2. Arabidopsis:
a. Has a small genome that has been completely sequenced
b. Displays roughly 200 visible phenotypic markers
c. Is self-pollinating
d. All of the above
3. A gene:
a. Is made up of DNA
b. Encodes a protein
c. Can be knocked out in order to determine protein function
d. All of the above
4. The knockout mutants of Arabidopsis used in this exercise each:
a. Have one gene and one protein missing
b. Have one gene added and one protein missing
c. Have one gene missing and one protein added
d. Have gene and one protein added
5. In order to identify the protein encoded for by a specific gene, one must:
a. Have a knocked out gene
b. Have the DNA sequence of the knocked out gene
c. Have the chromosomal location of the knocked out gene
d. Have observations comparing its growth to a wild-type organism
e. All of the above
6. UV radiation may retard plant growth by:
a. Restricting water coming into the plant
b. Restricting nutrients coming into the plant
c. Damaging DNA
d. All of the above
7. When making your experimental observations in this exercise, you are observing which structures?
a. Rosette leaves
b. Cauline leaves
c. Trichromes
d. Siliques
8. High salinity and drought conditions may both cause Arabidopsis plants to become:
a. Dehydrated
b. Mutated
c. Malnourished due to lack of nutrients
d. A and C
e. All of the above
9. In your experiments, you expect to see normal growth in both the wild-type and mutant plants under which condition?
a. UV Exposure
b. High Salinity in Soil
c. Optimum Growth Conditions
d. Drought Conditions
10. In your experiments, you can determine the role of the knockout gene by seeing which condition produces wild-type and mutant plants:
a. With the same phenotype
b. With different phenotypes
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