The many lamellae in the gills of fish improve respiratory efficiency by ______.
A. changing the diffusion constant
B. decreasing the distance for diffusion
C. increasing the surface area for diffusion
D. increasing the concentration difference
C. increasing the surface area for diffusion
You might also like to view...
Wetlands ________
A) are important in improving water quality B) include rivers, streams, ponds, and lakes C) are bodies of swiftly flowing water D) are found in the intertidal zone
Use the figure below to match the pigments' description with their absorption spectra.
Figure 6.5C
A. Closely related to chlorophyll a B. Potent antioxidant and signaling molecule found in carrots C. Accessory pigment in red flowers D. Allows algae in deep sea waters to survive by absorbing green and blue-green light E. Main pigment in photosynthetic plants
In the absence of sunlight, plants are not able to engage in the Calvin cycle due to a lack of
a. ATP. b. NADPH. c. oxygen. d. Both a and c are correct.
A plasmid contains a multiple cloning site inside the coding region of the lacZ gene and also contains an ampicillin resistance gene at a separate locus. When cells are transformed with a successfully recombinant plasmid containing a piece of DNA cloned
into the multiple cloning site, what color will the colonies be when grown on an agar plate containing ampicillin and X-gal? A) blue B) colonies will not grow C) green D) clear E) white