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USABO Exam Questions and Answers
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USABO Exam Questions and Answers
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USABO Exam Questions and AnswersBatesian mimicry - Answer -A type of mimicry in which a harmless species looks like a
species that is poisonous or otherwise harmful to predators.
cryptic coloration - Answer -camouflage
Mullerian mimicry - Answer -Evolution of two species, both of which are unpalatable
and, have poisonous stingers or some other defense mechanism, to resemble each
other like yellow jacket and cuckoo bee
aposematic coloration - Answer -Bright warning colors in animals with a chemical
defense.
C4 plants - Answer -A plant in which the Calvin cycle is preceded by reactions that
incorporate CO2 into a four-carbon compound, the end product of which supplies CO2
for the Calvin cycle.
C3 plants - Answer -A plant that uses the Calvin cycle for the initial steps that
incorporate CO2 into organic material, forming a three-carbon compound as the first
stable intermediate.
CAM plants - Answer -A plant that uses crassulacean acid metabolism, an adaptation
for photosynthesis in arid conditions. In this process, carbon dioxide entering open
stomata during the night is converted to organic acids, which release CO2 for the Calvin
cycle during the day, when stomata are closed.
start codon - Answer -AUG (methionine)
stop codon - Answer -UAA, UAG, UGA
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