Which of the following hepatitis viruses is normally transmitted through contaminated drinking water?
A. A
B. B
C. C
D. D
E. G
Answer: A
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If the concentrations of CO2 and O2 were equal in the atmosphere, rubisco would favor CO2 over O2 as a substrate by about 2000:1 at 25 °C. Why, in today's atmosphere (and at 25 °C), is the photosynthesis/photorespiration ratio of C3 plants only about 4:1?
A. O2 is much more abundant than CO2 in today's atmosphere. B. Rubiscos that are more selective for CO2 are slower. C. O2 is continually produced in the leaves of C4 plants. D. RuBP reacts readily with O2.
Pioneering species __________
a. migrate seasonally b. tend to have fast reproductive rates c. grow slowly in disturbed areas d. migrate seasonally and tend to have fast reproductive rates
Which of the following is not a component of plasma?
a. erythrocytes b. waste products c. dissolved gases d. salts e. proteins
Manipulative Studies
What will be an ideal response?