Which of the following distinguishes bacterial
flagella from those of eukaryotes?
a. number per cell and structure
b. structure and mechanism of movement
c. function and mechanism of movement
d. number per cell and mechanism of
movement
e. number per cell and function
B
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What key words does the question contain and what do they mean?
What will be an ideal response?
Among mammals, the home range is usually larger for
A) carnivorous species than for herbivorous species of the same body size. B) females than males of the same species. C) immatures than for adults of the same species. D) smaller species than for larger species.
In ascomycetes and basidiomycetes, plasmogamy is followed immediately by karyogamy
____________________ Indicate whether the statement is true or false.
Geological evidence indicates that two landmasses, separated by a deep ocean channel, have been moving apart since 45 million years ago. You are studying a group of organisms that has widespread populations on both of the landmasses. Which is the most
likely hypothesis for the group's evolutionary history? A) The group's ancestors were definitely present on the original landmass. B) The group's ancestors cannot have been present on the original landmass. C) If the group's ancestors could not move across the open ocean, it is very likely that they were present on the original landmass. D) The group's ancestors must have independently colonized each of the landmasses from a third location within the past 45 million years.