Debridement of diseased tissue is important in the care of patients with gas gangrene.
Answer the following statement true (T) or false (F)
True
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About half of all flowering plant species, including many important crop plants, are ____
a. polyploids b. haploids c. aneuploids d. monoploids e. diploids
Why do aquatic plants frequently have broad, floating leaves?
a. The byproducts of photosynthesis, such as glucose, are naturally buoyant. b. Beneath a certain depth, insufficient oxygen exists to support photosynthesis. c. To maximize their opportunities for photosynthesis. d. Broad floating leaves provide shelter for fish that protect them from herbivores.
Which of the following is true regarding some insect tracheal systems?
A. They are associated with the blood circulatory system. B. They excrete body wastes as well as transport gases. C. Their spiracles function like stomata in plants, opening for gas exchange and closing to conserve water. D. The tracheal tubes are continually open in large terrestrial insects. E. They contain respiratory pigments to enhance oxygen transport.
The oxygen required by cellular respiration is reduced and becomes part of which molecule?
a. ATP b. H2O c. pyruvate d. CO2