In the fall, the trees in a temperate deciduous forest lose their leaves primarily as an adaptation to
A) changing light.
B) lack of available water.
C) lack of accessible nutrients.
D) cooler temperatures.
E) excess rainfall.
B
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Which of the following processes will occur in the presence or absence of oxygen?
A. electron transport chain B. oxidative phosphorylation C. citric acid cycle D. glycolysis E. cellular respiration
Where is phloem sap moved to?
a. to the root system b. to sinks c. to the shoot system d. to sources
If the ID for gonorrhea is 1,000 cells and the ID for tuberculosis is 10 cells, which organism is more virulent?
A. They are equally virulent. B. Mycobacterium tuberculosis C. Neisseria gonorrhoeae D. It is impossible to determine.
Which characteristic of a chloroplast makes it appear green?
A. The outer membrane B. The inner membrane C. The stroma D. The plastid E. The chlorophyll