03: The Cell
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Define a cell.
A cell is the basic structural and functional unit of life, capable of performing all necessary biological functions.
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What are prokaryotic cells?
Prokaryotic cells are unicellular organisms that lack a membrane-bound nucleus and other membrane-bound organelles (e.g., bacteria).
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What are eukaryotic cells?
Eukaryotic cells are cells that contain a membrane-bound nucleus and other organelles, and they can be unicellular or multicellular (e.g.,…
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Name the three parts of the cell theory.
The three parts of the cell theory are: 1. All living organisms are made up of cells. 2. The cell…
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What is the function of the nucleus?
The nucleus contains the cells genetic material (DNA) and controls cellular activities such as growth, metabolism, and reproduction.
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Define cytoplasm.
Cytoplasm is the gel-like substance that fills the cell, providing a medium for cellular processes and holding the cell’s organelles…
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What is the role of the cell membrane?
The cell membrane regulates the entry and exit of substances, protecting and maintaining the cells integrity.
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Name any two types of cells.
Two types of cells are animal cells and plant cells.
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What is the function of mitochondria?
Mitochondria generate energy for the cell through cellular respiration, converting nutrients into ATP (adenosine triphosphate).
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Define ribosomes.
Ribosomes are small organelles responsible for protein synthesis in the cell.
