In tissue capillaries, ________ combines with water to form carbonic acid, which after being transported to the lungs, dissociates back to its constituents.
A. H2CO3
B. O2
C. CO2
D. HCO3-
E. hemoglobin
Answer: C
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If a special fungicide killed all of the glomeromycetes in an environment, but did not affect other types of fungi, which of the following would most likely occur?
A. Plant nutrient uptake from the soil would be reduced. B. Overall decomposition rates would be dramatically reduced. C. Mushrooms would be absent from the environment. D. Lichens would be absent from the environment. E. Aquatic habitats would completely lack fungi.
The total resources a population consumes and the wastes it produces is its ____
a. ecological footprint b. vital capacity
c. carrying capacity d. non-renewable resources e. limiting factor
What marks the end of the pre-embryonic period and the beginning of the embryonic period?
A) implantation B) the formation of the ectoderm and endoderm in the embryonic disk C) the formation of the morula D) the formation of the blastocyst E) the formation of pharyngeal arches
The maduromycetes differ from other high G + C Gram-positives in that they contain the sugar madurose in cell extracts.
Answer the following statement true (T) or false (F)