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DAT QUESTIONS FROM PRACTICE EXAMS
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DAT QUESTIONS FROM PRACTICE EXAMS
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DAT QUESTIONS FROM PRACTICE EXAMSIf a toxin that disrupted microtubule function, what is most likely to be affected? -
Answers -Anaphase
Where are lysosomes produced? - Answers -Golgi
What is the function of a lysosome? - Answers -Contains digestive enzymes for
breaking down nutrients, cell debris, and bacteria
What is the functional equivalent of the lysosome in plants? - Answers -Central vacuole
Blood in the pulmonary vein would be best characterized as which of the following?
A. High in CO2
B. Low in O2
C. High in CO2
D. Low in iron
E. High in NaCl - Answers -C. High in O2
In mammals, which of the following structures aides the embryo in gas exchange and
the disposal of liquid waste?
A. Yolk
B. Amnion
C. Allantois
D. Chorionic Villi
E. Yolk sac - Answers -C. Allantois
A species of desert plant secretes a chemical into the surrounding soil that kills seeds
from any other species of plant that attempts to germinate in that area. What is this an
example of?
A. Commensalism
B. Allelopathy
C. Exploitation competition
D. Apparent competition
E. Intraspecific competition - Answers -B. Allelopathy
What is allelopathy? - Answers -Type of interference competition where the
establishment of other individuals who would compete for a mutual resource is
prevented
What is exploitation competition? - Answers -Type of competition that occurs indirectly
through depletion of a common resource. Lions and cheetahs compete for gazelles. If
the cheetahs get all of the gazelles, then the lion would suffer food depletion
What is apparent competition? - Answers -Type of competition that occurs between two
species preyed upon by the same predator.
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