Acid-fast Mycobacteria differ from non-acid fasat bacteria by the presence of:
A. Endospores
B. Peptidoglycan cell walls
C. Capsules
D. Waxy cell walls
Answer: D. Waxy cell walls
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What category describes a species that, while not presently at risk of extinction, could likely be at risk of extinction in the near future?
A. A species of concern B. A threatened species C. An invasive species D. An endemic species
Derived character states shared by clade members are called
A. ancestral traits. B. homoplasies. C. synapomorphies. D. plesiomorphies. E. symplesiomorphies.
The last step of aerobic respiration is referred to as which of the following?
a. the Calvin Cycle b. the Krebs Cycle c. oxidative phosphorylation d. the citric acid cycle
Which feature of cycads makes them similar to many angiosperms?
1. They have exposed ovules. 2. They have flagellated sperm. 3. They are pollinated by animals. A) 1 only B) 2 only C) 3 only D) 2 and 3