Which of the following statements would be true of Figure 46-4?
a. Hemoglobin would be 50% saturated at a of 30 mm Hg at the highest pH.
b. Hemoglobin would be 50% saturated at a of 25 mm Hg at the lowest pH.
c. At a of 40 mm Hg, the hemoglobin for the pH 2 line would be 80% saturated.
d. At a lower pH, the oxygen dissociation curve is shifted to the right.
e. At a higher pH, the oxygen dissociation curve is shifted to the right.
D
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A) reduced sulfur compounds. B) carbon dioxide. C) sodium chloride. D) metals such as copper and iron.
Alternate forms of a gene are best described as _____
A. homologues B. loci C. alleles D. homozygous E. heterozygous
In the chloroplast, energy in sunlight is passed around different chlorophyll molecules until it reaches a specific chlorophyll molecule that can transfer energy in sunlight to an energized electron. This chlorophyll molecule is called the
A) reaction center. B) nucleus. C) accessory pigment. D) electron-carrier molecule. E) photoelectric point.
Notes and observations of the venus fly-trap showed that:
A. the plant reacts to all stimuli B. The plant reacts to things that give off a strong electrical charge C. The plant is very sensitive and responds to specific stimuli D. The plant response is time sensitive E. none of the these