Biology cells as the basis of life Flashcards
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Compare prokaryotic and eukaryotic cells
Prokaryotic vs. Eukaryotic Cells
Prokaryotic and eukaryotic cells are the two primary types of cells that make up all living organisms. While they share some similarities, they also exhibit significant differences in their structure and organization.
Prokaryotic Cells
Simple Structure: Lack a nucleus and other membrane-bound organelles.
Genetic Material: DNA is circular and located in a region called the nucleoid.
Size: Typically smaller than eukaryotic cells.
Examples: Bacteria and Archaea.
Eukaryotic Cells
Complex Structure: Possess a nucleus and other membrane-bound organelles.
Genetic Material: DNA is linear and housed within the nucleus.
Size: Generally larger than prokaryotic cells.
Examples: Plants, animals, fungi, and protists.
Key Differences
Feature Prokaryotic Cells Eukaryotic Cells
Nucleus Absent Present
Membrane-bound organelles Absent Present (e.g., mitochondria, chloroplasts, endoplasmic reticulum, Golgi apparatus)
DNA Structure Circular Linear
Cell Size Smaller Larger
Cell Wall Present in most Present in plants and fungi, absent in animals
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prokaryotic and eukaryotic cells
In Summary
While both prokaryotic and eukaryotic cells are essential to life, their structural and organizational differences have significant implications for their functions and the organisms they compose. Eukaryotic cells, with their compartmentalized organelles, allow for more complex cellular processes and the development of multicellular organisms. In contrast, prokaryotic cells, though simpler, are incredibly diverse and adaptable, thriving in a wide range of environments.