Question

which structure is most likely to occur in an amoeba? a. cytoskeleton b. plasmodesma c. tight junction d. chloroplast e. flagellum

Explanation:

• Option A: Amoebas are single - celled eukaryotes. The cytoskeleton is present in eukaryotic cells and helps in cell movement (like amoeba's pseudopodia movement) and maintaining cell shape.
• Option B: Plasmodesmata are structures found in plant cells that connect the cytoplasm of adjacent plant cells. Amoebas are not plants, so they don't have plasmodesmata.
• Option C: Tight junctions are cell - cell junctions found in animal epithelial cells, which help in forming a barrier. Amoebas are single - celled and don't have epithelial - like cell - cell junctions.
• Option D: Chloroplasts are organelles found in photosynthetic organisms like plants and some algae. Amoebas are heterotrophic and do not perform photosynthesis, so they lack chloroplasts.
• Option E: While some single - celled organisms have flagella for movement, amoebas move by pseudopodia, and flagella are not a typical structure of amoebas.

Answer:

A. cytoskeleton