The Masai people of Kenya, in east Africa, regularly consume the blood and milk of their cattle. Based on this information alone, we might classify the relationship between the Masai and cattle as
A) coevolution. B) parasitism. C) predation. D) competition. E) mutualism.
B
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What is the advantage of the proofreading function of DNA polymerase?
A. All DNA mutations can be detected and repaired during DNA replication. B. DNA polymerase is always present in the nucleus and can repair all mutations when they occur. C. DNA polymerase can be recruited to recently mutated sites to repair mutations. D. DNA polymerase can repair most mutations as they occur during DNA replication.
You awaken to find yourself lying on the bare ground, dirty and injured. In the dim light, you can make out wreckage around you and surmise that you have survived a plane crash. Over the next few days, you wander the hot, humid area and find an amazing number of different plant and insect species. You are able to trap and eat several rodent size mammals, but do not see any larger mammals. Into what biome did your plane crash?
A. Tropical grassland B. Taiga C. Temperate rain forest D. High desert E. Tropical rain forest
The transport of milk proteins from where they are made to outside the cell is brought about
by what system?
a. endomembrane b. cytoskeleton c. nuclei d. lysosome
What is the result of crossing over?
a. mutation b. sex selection c. recombination d. gene linkage