Which of the following factors would most likely increase the rate of photosynthesis?
a) decrease in CO2 concentration
b) increase in glucose concentration in the cell
c) increase in CO2 concentration in the atmosphere
Ans: c) increase in CO2 concentration in the atmosphere
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A female aphid reproduces parthenogenetically to create a colony of 10 clones of herself. Five of these individuals become "soldiers" and do not reproduce; instead, they defend the other five reproductive individuals from predatory insects
Consider a single soldier and a single reproductive female. From the soldier's perspective, each of that reproductive female's offspring are genetically equivalent to the soldier's own: A. siblings. B. offspring. C. nieces/nephews. D. first cousins. E. grandchildren.
Closely related plant species, found in the same geographical location, can attract different pollinators. This type of reproductive isolation is an example of
You measure the amount of enzyme activity in the presence of compound X and note that as you add more substrate the amount of enzyme activity increases. This indicates that the compound X is an
A. competitive inhibitor. B. activator. C. non-competitive inhibitor. D. allosteric inhibitor. E. enzyme.
Fossils of Archeopteryx show that this animal had feathers, like a bird. It also had a bony tail, teeth, and claws on its wings, like a reptile. This fossil is evidence that supports the idea that
A. birds and reptiles have a common ancestor B. birds have changed very little over 150 million years C. reptile species are more advanced than bird species D. reptiles are warm-blooded like birds