Amoeba and Eukaryotic Cell Functions Quiz

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Questions and Answers

What is the primary function of the nucleus in a cell?

Digests certain materials and defends the body
Controls the shape and function of the cell, and contains DNA (correct)
Contributes to the formation of cilia and flagella
Produces ribosomes and facilitates cell movement

Which organelle is responsible for digestion of certain materials in a cell?

Lysosome (correct)
Cilia
Centrioles
Ribosomes

What is a distinguishing feature of eukaryotic cells?

They lack a true nucleus and are primarily unicellular organisms
They have a true nucleus and lack membrane-bound organelles
They have a true nucleus and include both multicellular and unicellular organisms (correct)
They lack membrane-bound organelles and include only multicellular organisms

What is a key characteristic of diatoms?

<p>Diatoms are a major group of unicellular algae found in oceans and waterways (D)</p> Signup and view all the answers

What is the primary function of the cell membrane?

<p>It protects the cell and regulates the passage of substances into and out of the cell (C)</p> Signup and view all the answers

Study Notes

Characteristics of Amoeba

Uni-cellular organism
Has pseudopodia
Eukaryotic cell

Characteristics of Yeast

Eukaryotic cell
From the Fungus Kingdom
Used in food and medicine (e.g., Penicillium is used as an antibiotic and in cheese making)

Functions of Endoplasmic Reticulum (Rough)

Has ribosomes
Protects the cytoplasm
Helps in the synthesis of proteins and their transportation

Functions of Endoplasmic Reticulum (Smooth)

Lacks ribosomes
Involved in the synthesis of lipids
Involved in the synthesis of glycogen

Functions of Mitochondria

Act as main power generators
Contain respiratory enzymes
Rich in calcium (Ca) and magnesium (Mg)

Functions of Golgi Apparatus

Found in tooth enamel
Involved in the formation of primary lysosomes
Processes, modifies, and packages proteins and lipids produced by the endoplasmic reticulum, directing them to their final destinations within or outside the cell

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Description

Test your knowledge about the functions of amoeba, eukaryotic cells, and organelles like endoplasmic reticulum and mitochondria. Learn about their roles in synthesis, protection, and food production.