Which of the following is a waste product of photosynthesis?
A) CO2
B) H2O
C) O2
D) All of the above
C
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A certain biochemical reaction must be coupled to the hydrolysis of at least two ATP molecules (?G = -14.6 kCal) in order to occur. What is a possible ?G for this biochemical reaction?
A. ?G = -8 kCal
B. ?G = -14.6 kCal
C. ?G = +8 kCal
D. ?G = -16 kCal
E. ?G = +16 kCal
The mechanism for gas exchange in the gills includes:
a. chloride cells. b. rete mirable. c. countercurrent multiplier system. d. swim bladder inflation. e. hormonal controls.
Tubular secretion takes place in the ____
a. glomerulus b. Bowman’s capsule c. loop of Henle d. distal tubules e. collecting ducts
Figure 21.17
?
Refer to the accompanying figure for questions 22 and 23.
At which stage does the Plasmodium (malaria) parasite reproduce asexually and mature into merozoites?
A. A B. B C. C D. D E. E