18 Questions
What is one of the key statements made by the cell theory?
The cell is the smallest unit of life
Which of the following challenges the idea that cells always function as autonomous units?
Muscle cells fuse to form fibres with multiple nuclei
What characteristic of fungal hyphae challenges the idea of living structures being composed of discrete cells?
Fungi being aseptate with continuous cytoplasm
Which type of algae may grow to very large sizes and present an exception to typical cell sizes?
Unicellular algae
In cell biology, what process involves nuclear division to produce two daughter cells?
Mitosis
Which statement best summarizes a fundamental concept of cell theory?
Cells arise only from pre-existing cells
What is the main difference between prokaryotic and eukaryotic cells?
Presence of membrane-bound organelles
Which evolutionary process is believed to have led to the development of eukaryotic cells?
Endosymbiosis
What is a distinctive feature of eukaryotic cells compared to prokaryotic cells?
Larger ribosomes
Which statement best describes the main function of organelles in a cell?
Performing specific roles within the cell
What is meant by compartmentalization in eukaryotic cells?
Separation of different cellular functions into specialized areas
Which mnemonic can help remember differences between prokaryotic and eukaryotic cells?
DORA
What cellular component in prokaryotic cells is responsible for polypeptide synthesis?
Ribosomes
Which structure in prokaryotic cells is used for protection against desiccation and phagocytosis?
Cell wall
How do prokaryotes typically divide?
Binary fission
What is the main function of attachment pili in prokaryotic cells?
Adherence to surfaces
What is the function of the cytoplasm in prokaryotic cells?
Internal fluid component of the cell
Which cellular component maintains the shape of prokaryotic cells and prevents bursting?
Cell wall
Test your knowledge on cell biology with Dr. Dipa Sarkar's content covering cell theory, prokaryotic and eukaryotic cells, cell organelles, cell cycle, mitosis, meiosis, and more. Learn about the exceptions to the cell theory, such as striated muscle fibres.
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