Temperate zones ________
A) have the coolest climates on Earth
B) have milder climates than the tropics
C) are relatively dry
D) are concentrated in the polar regions
B
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Suppose that an induced mutation removes most of the end of the UTR of an mRNA. What is most likely to happen?
A) Removal of the UTR will have no effect because the exons are still maintained. B) Removal of the UTR also removes the 5' cap and the mRNA will quickly degrade. C) The UTR will duplicate and one copy will replace the end. D) The first exon will not be read because I1 will now serve as the UTR.
Before leaving on a trip, you give your favorite houseplant a little extra water and a pinch of plant food. Your trip ends up lasting a few days longer than you originally planned, and when you return, you discover that your plant has wilted dramatically. What happened?
a. The extra water caused its cells to swell, bursting its plasma membranes. b. Overwatering your plant deprived it of the electrolytes that plants crave. c. Your plant dried out before you returned, and it suffered from plasmolysis. d. The plant food inverted the concentration gradient in the plant, dehydrating it.
What specialized type of connective tissue consists mostly of collagen in a watery matrix?
a. cartilage b. bone
c. adipose d. blood e. elastic
You discover a new bird species, but so far have only observed ten nesting females. The female birds are small and mostly brown, with a bit of red around their tails and throats. After the eggs hatch, you perform genetic tests which reveal that all chicks within a nest share the same father, but some chicks across nests also share a father. Based on this, what would you predict about the males of this species?
A. They are smaller than the females with less coloration. B. They are similar in size to the females with more coloration. C. They appear very similar to the females. D. They are larger than the females with more coloration.