Vital capacity is always equal to
(a) tidal volume.
(b) inspiratory reserve volume.
(c) expiratory reserve volume.
(d) a + b + c.
(d) a + b + c.
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Cytochromes contain a heme group similar to that in hemoglobin. The iron atom (Fe) in the center of the group can be oxidized and reduced. If someone was suffering from iron deficiency anemia, what stage of cellular respiration would be most affected?
A. Glycolysis B. The Krebs cycle C. The electron transport chain D. Fermentation Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about redox reactions and when they take place during cellular respiration? What other information is related to the question? Choose Answer Do you have all the information needed to determine which stage of cellular respiration would be most affected by an iron deficiency? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The intertwined mass of hyphae that constitutes the body of a mold is a ________.
A. stem B. stock C. mycelium D. rhizoid E. bud
Plate tectonics theory is supported by evidence
from a. the worldwide fossil record. b. global distribution of existing species. c. the sea-floor spreading. d. all of these. e. none of these.
Unattached earlobes are a dominant trait in humans. Which phenotype does an individual with the genotype EE show?
A. Both earlobes are unattached. B. Both earlobes are attached. C. The right earlobe is unattached and the left earlobe is attached. D. The right earlobe is attached and the left earlobe is unattached. E. Both earlobes are extremely elongated.