African sleeping sickness is caused by Trypanosoma, shown in the following diagram - VCE - SSCE Biology - Question 20 - 2003 - Paper 1
Question 20
African sleeping sickness is caused by Trypanosoma, shown in the following diagram.
Trypanosoma have flattened bodies and are transmitted by biting insects from one... show full transcript
Worked Solution & Example Answer:African sleeping sickness is caused by Trypanosoma, shown in the following diagram - VCE - SSCE Biology - Question 20 - 2003 - Paper 1
Step 1
A. Trypanosoma has a digestive system.
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Answer
This statement can be dismissed as Trypanosoma primarily absorb nutrients directly from their host's blood rather than digesting food through a digestive system.
Step 2
B. the flagellum is important for locomotion.
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The flagellum is indeed essential for the locomotion of Trypanosoma. It allows the organism to move through the blood stream, enabling it to travel to various tissues.
Step 3
C. infection by Trypanosoma is likely to cause immediate death.
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While Trypanosomiasis can be lethally dangerous without treatment, it does not cause immediate death. Symptoms develop gradually, and early detection can lead to effective treatment.
Step 4
D. Trypanosoma is likely to be attached to the walls of blood vessels.
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This statement is not typically supported by evidence, as Trypanosoma are usually free-floating in the blood rather than adhering to blood vessel walls.