Which of the following best characterizes the function of introns?
A) They serve only as spacers.
B) They serve only as enzymes to properly splice exons.
C) They are most frequently spacers and rarely function as splicing enzymes.
D) they are most frequently splicing enzymes and rarely function as spacers.
C
You might also like to view...
In the interior of Antarctica, the average annual precipitation is only about two inches of water in the form of snow. As a result, the Antarctica biome is a ________. One word answers only.
Fill in the blank(s) with the appropriate word(s).
How are humans agents of weathering and erosion?
What will be an ideal response?
What hydrologic cycle factor is most responsible for salinity values found near the tropics?
A. Infiltration B. Evaporation C. Precipitation D. Transpiration E. Runoff
Within the mixing zone and thermocline, average temperature and salinity primarily
A) remain fairly constant with depth. B) increase with depth. C) decrease within the mixing zone, but increases within the thermocline. D) remains constant within the mixing zone, but increases within the thermocline. E) decrease with depth.