5 Questions
What is the primary function of the nucleus in a cell?
Controls the shape and function of the cell, and contains DNA
Which organelle is responsible for digestion of certain materials in a cell?
Lysosome
What is a distinguishing feature of eukaryotic cells?
They have a true nucleus and include both multicellular and unicellular organisms
What is a key characteristic of diatoms?
Diatoms are a major group of unicellular algae found in oceans and waterways
What is the primary function of the cell membrane?
It protects the cell and regulates the passage of substances into and out of the cell
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
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.
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