Among the many functions of wetlands is (are)
A. absorbing storm and overflow waters.
B. purifying water by filtering it and breaking down toxic wastes and nutrients.
C. providing food and habitats for fish, waterfowl, and wildlife.
D. All of the choices are functions performed by wetlands.
Answer: D
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The genome of retroviruses is made of
A. ssDNA. B. dsDNA. C. ssRNA. D. dsRNA.
Which tissue has contractile cells that are joined by intercalated disks, allowing it to contract as a unit?
a. smooth muscle b. cartilage c. skeletal muscle d. cardiac muscle e. adipose tissue
Without oxygen in a eukaryotic aerobic cell,
A. glycolysis will stop. B. the Krebs cycle will speed up. C. the mitochondria will shut down. D. proteins will be spared.
If you observe rod-shaped, pink cells on a slide that had just been Gram stained, you can assume that their cell walls contain endotoxin.
Answer the following statement true (T) or false (F)