Biology of Flagella and Trypanosoms
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Questions and Answers

What is the function of Ciliata?

  • To move using pseudopodia
  • To move using cilia (correct)
  • To move using flagella
  • To move using chromosomes

What is the term for the hair-like structures that help in movement?

  • Microtubules
  • Flagella
  • Pseudopodia
  • Cilia (correct)

What is the main difference between flagella and cilia?

  • Flagella are shorter than cilia
  • Flagella are found in eukaryotes, while cilia are found in prokaryotes
  • Flagella are used for sensing, while cilia are used for movement
  • Flagella are longer than cilia (correct)

What is the term for the group of organisms that move using cilia?

<p>Ciliates (C)</p> Signup and view all the answers

What is the function of flagella in cells?

<p>To move the cell (C)</p> Signup and view all the answers

What is the disease caused by Trypanosoma cruzi?

<p>Chagas disease (B)</p> Signup and view all the answers

Which Trypanosoma species is responsible for causing sleeping sickness?

<p>Trypanosoma brucei (C)</p> Signup and view all the answers

In which region of the world is Trypanosoma brucei found?

<p>On both sides of the equator (C)</p> Signup and view all the answers

What is the other name for the disease caused by Trypanosoma brucei?

<p>Sleeping sickness (B)</p> Signup and view all the answers

How many species of Trypanosoma are known to infect humans?

<p>Two (A)</p> Signup and view all the answers

What is the name of the stage of the Trypanosoma parasite that is found in the insect vector?

<p>Promastigote (D)</p> Signup and view all the answers

What is the other name for Trypanosomiasis?

<p>Sleeping disease (A)</p> Signup and view all the answers

In which year was the Gambian sleeping sickness first identified?

<p>1901 (C)</p> Signup and view all the answers

What is the name of the parasite that causes Trypanosomiasis?

<p>Trypanosoma brucei rhodesiense (B), Trypanosoma gambiense (D)</p> Signup and view all the answers

What region is most affected by Trypanosomiasis?

<p>Mid-Africa (B)</p> Signup and view all the answers

What is the local name for Trypanosomiasis in Arabic?

<p>س ج ه اججلط طلي فيججا بججا ام ججم ججم (A)</p> Signup and view all the answers

What is the primary role of G.palpalis and G.morsitans in the life cycle?

<p>To transmit disease (A)</p> Signup and view all the answers

What is the significance of the hair-like structures in the life cycle?

<p>They aid in the transmission of disease (B)</p> Signup and view all the answers

What is the primary function of the stage of the life cycle involving G.palpalis and G.morsitans?

<p>Disease transmission (C)</p> Signup and view all the answers

What is the relationship between the hair-like structures and the life cycle?

<p>They are essential for disease transmission (B)</p> Signup and view all the answers

What is the role of the life cycle in the context of disease transmission?

<p>It facilitates disease transmission (D)</p> Signup and view all the answers

What is the disease caused by Plasmodium falciparum?

<p>Malaria Maligna (B)</p> Signup and view all the answers

Which stage of Plasmodium is transmitted to humans through the bite of an infected Anopheles mosquito?

<p>Sporozoite (A)</p> Signup and view all the answers

What is the primary location where Plasmodium parasites multiply in the human body?

<p>Liver (D)</p> Signup and view all the answers

Which of the following is NOT a type of malaria caused by Plasmodium?

<p>Malaria Septima (D)</p> Signup and view all the answers

What is the final host of the Plasmodium parasite?

<p>Anopheles mosquito (B)</p> Signup and view all the answers

How many species of Plasmodium are mentioned in the text?

<p>4 (D)</p> Signup and view all the answers

What is the stage of Plasmodium that infects the liver?

<p>Sporozoite (D)</p> Signup and view all the answers

What is the name of the disease caused by Cryptosporidium?

<p>Cryptosporidiosis (A)</p> Signup and view all the answers

Study Notes

Flagella and Ciliata

  • Ciliata move using flagella.
  • Promastigote is a type of flagellum.

Trypanosoms

  • There are two main types of Trypanosoms that infect humans:
    • Trypanosoma brucei gambiense and Trypanosoma brucei rhodesiense, which cause African sleeping sickness.
    • Trypanosoma cruzi, which causes Chagas disease.

Trypanosoma brucei

  • Found on both sides of the equator, with two subspecies: Trypanosoma brucei gambiense and Trypanosoma brucei rhodesiense.
  • Causes African sleeping sickness, also known as Trypanosomiasis.

Trypanosoma gambiense

  • Found in Mid-African region, causing Gambian sleeping sickness.
  • First identified in 1901.

Life Cycle of Trypanosoma

  • The parasite multiplies in the salivary glands of tsetse flies (G. palpalis, G. morsitans, and G. Cryptosporidium).
  • The parasite is transmitted to humans through the bite of an infected tsetse fly.

Toxoplasma

  • A type of Sporozoa that infects different body organs.
  • Causes Toxoplasmosis.

Malaria

  • Caused by the parasite Plasmodium.
  • There are four main species of Plasmodium:
    • Plasmodium vivax, which causes benign tertian malaria.
    • Plasmodium falciparum, which causes malignant malaria.
    • Plasmodium malariae, which causes benign quartan malaria.
    • Plasmodium ovale, which causes ovale malaria.

Life Cycle of Plasmodium

  • The parasite has two stages in its life cycle:
    • A sexual stage that occurs in the human host (intermediate host).
    • A sexual stage that occurs in the female Anopheles mosquito (definitive host).
  • The asexual stage occurs in the human host (intermediate host).
  • The parasite is transmitted to humans through the bite of an infected female Anopheles mosquito.

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Learn about the characteristics and types of flagella, including Ciliata and Trypanosoms, and their role in human diseases such as African sleeping sickness and Chagas disease.

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